CN109610173B - Textile durability crease-resistant, moisture-absorbing quick-drying, anti-pilling finishing liquid and finishing method - Google Patents
Textile durability crease-resistant, moisture-absorbing quick-drying, anti-pilling finishing liquid and finishing method Download PDFInfo
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- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
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- D06M15/643—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds containing silicon in the main chain
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- D06M2101/16—Synthetic fibres, other than mineral fibres
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- D06M2200/00—Functionality of the treatment composition and/or properties imparted to the textile material
- D06M2200/20—Treatment influencing the crease behaviour, the wrinkle resistance, the crease recovery or the ironing ease
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- D06M2200/35—Abrasion, pilling or fibrillation resistance
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Abstract
The textile durability crease-resistant, moisture-absorbing and quick-drying anti-pilling finishing liquid and the finishing method are characterized in that the finishing liquid comprises 60-80g/L of etherified modified dimethylol dihydroxy ethylene urea resin, 10-15g/L of catalyst, 10-30g/L of organic silicon emulsion and 20-40g/L of cation-terminated polyurethane resin. The fabric can obtain good functional effects of crease resistance, moisture absorption and quick drying and fuzzing and pilling resistance after one-time finishing, and the finished fabric has soft hand feeling, small strength damage and good washability.
Description
Technical Field
The invention relates to the technical field of textile after-finishing processing, in particular to a durable anti-wrinkle, moisture-absorption quick-drying, anti-pilling after-finishing liquid for textiles and a finishing process thereof. The fabric product processed by the finishing liquid has the functional characteristics of crease resistance, moisture absorption and quick drying, fuzzing and pilling resistance, has small strength damage to the fabric, has excellent washing fastness, and is suitable for various fabrics.
Background
Along with the improvement of living standard of people, the requirements of people on clothes are continuously improved, so that the clothes are comfortable to wear, smooth in appearance, easy to manage, strong in wearing strength, water-fast and the like. For example, some clothing products such as shirts and sportswear require that the fabric has soft hand feeling, good elasticity, good wrinkle resistance, moisture absorption and quick drying, good moisture permeability and air permeability, keeps the clothing appearance smooth in the process of taking, is not easy to fluff and pilling, and has good fastness to washing. To meet these performance requirements, it is often necessary to afterfinish the fabric with different auxiliaries. When the after-finishing auxiliary agent and the process are selected, the ideal effect of finishing each function is achieved, good compounding performance of the finishing auxiliary agents is guaranteed, and meanwhile, the synergy and simplicity of the finishing process are guaranteed, so that the optimal finishing effect is achieved.
The relative slippage between the molecular chains of the fiber is an important reason for generating the wrinkle. Pure spinning and blended spinning of a plurality of fibers such as cotton, hemp, viscose and the like are easy to generate wrinkles. The principle of anti-wrinkle is mainly to fix the relative positions of molecular chains in the fiber, thereby preventing and reducing the generation of molecular chain slippage. After the 70 s of the last century, the technology of crease-resistant finishing of dimethylol dihydroxy ethylene urea resin tends to be mature and has wide application. However, the compounds release formaldehyde in the processes of finishing, later-period storage and wearing, and the phenomena of reduced strength and yellowing of finished fabrics generally exist.
Moisture absorption and quick drying are also called as moisture absorption and sweat releasing, and the term comprises two meanings: the sweat is quickly absorbed and discharged out of the human body, and the phenomena of sultriness and stickiness are not easy to generate; secondly, the moisture absorption and the moisture desorption respond to the humidity change of the wearing space and the external environment, namely the moisture-adjusting clothes have the performance of adjusting the humidity to enable people to feel comfortable when the clothes are taken. The moisture absorption quick-drying fabric means that the fabric has both water absorption and quick-drying properties, natural or synthetic fibers cannot easily have the two properties, and the fabric can obtain high comfort performance of quick moisture absorption and moisture dispersion through an after-finishing technology. Most of common moisture absorption quick-drying finishing agents in the market are polyester polyether block copolymers, the energy consumption of the finishing agents is large in the preparation process, the finishing agents are only applied to terylene or blended fabrics thereof, and the action effect and the washability of the finishing agents on other types of fabrics are common.
The fabric is fluffed and pilling is a gradual change process, and when the external friction force borne by the fabric is greater than the fiber strength, or the friction force or cohesion force between fibers, the fiber ends are pulled out to form loops and fuzz; after the fluff is exposed to a certain length, the fluff is entangled into balls due to rubbing friction and repeated extension and retraction in a certain distance, so the fluff is called fluffing and pilling; in the post-finishing process, resin finishing is often used to improve the pilling resistance of the fabric. The function of resin in a cross-linked net-shaped film forming on the surface of the fiber is utilized, so that the surface of the fiber is coated with a layer of wear-resistant resin film, and the resin film weakens the slippage of the fiber; meanwhile, the resin is uniformly crosslinked and condensed on the surface layer of the yarn, so that the fiber end is adhered to the yarn and is not easy to pill during friction, thereby effectively improving the pilling resistance of the fabric. However, the fabric obtained by the method is hard in hand feeling and poor in hydrophilic performance.
The CN108330695A patent discloses a fabric crease-resistant treatment method, which selects polycarboxylic acid modified organic silicon and polyurethane modified organic silicon to compound various penetrating agents to carry out crease-resistant finishing on fabrics, thereby avoiding the release of formaldehyde. However, the fabric types except the hemp plain woven fabric are not evaluated, and due to the large amount of polycarboxylic acid contained in the finishing agent, the strength of the fabric is greatly and permanently damaged after the finishing agent is degraded during drying, and the breaking strength is generally reduced by more than 40% after finishing.
The CN108517689A patent discloses a crease-resistant finishing method for improving strength and hand feeling of cotton fabric, which comprises the steps of sequentially carrying out liquid ammonia finishing, heavy non-ironing finishing and heavy liquid ammonia finishing on the fabric subjected to non-ironing finishing, wherein the auxiliary agent selected for the non-ironing finishing is one of N-hydroxymethyl resin or polycarboxylic acid or polyurethane reactive cross-linking agent. The cotton fabric finished by the method has good crease resistance (crease recovery angle is more than 276 degrees), and the tearing strength of the fabric is improved compared with the conventional process (the retention rate of the tearing strength is more than 80 percent). But the method has the disadvantages that the process is more complex, the working procedures are more, the finishing is carried out by using liquid ammonia under the condition of-60 to-40 ℃, the energy consumption is higher, and the cost is relatively higher; fabrics other than pure cotton fabrics were not evaluated and the degree of retention of breaking strength was not mentioned.
The CN106758202A patent discloses a shrink-proof, moisture-absorbing and quick-drying type non-ironing finishing liquid for shirts and a finishing method thereof, which respectively synthesize a cationic organic silicon modified acrylate polymer taking butyl acrylate, acrylic acid and 2-methoxyethyl acrylate as main monomers and a polybasic carboxylic acid polymer synthesized by taking chitosan and maleic anhydride as raw materials, and finish a pure cotton fabric by taking the two polymers as finishing agents according to a special process, so that the finished pure cotton fabric has good crease-resistant and non-ironing effects and quick-drying effects, and has the advantages of wearing comfort, no formaldehyde release and the like. The fabric has the defects that firstly, the components with the anti-wrinkle effect are substantially polycarboxylic acid polymers, and the fabric strength is greatly reduced after finishing; secondly, the finished fabric has general hydrophilic performance, the dripping water diffusion time is obviously longer than 5s, and the fabric cannot be called as a moisture absorption quick-drying fabric; and the DMF solvent used in the preparation process belongs to a non-environment-friendly solvent, is mutually soluble with water and difficult to remove, and the sewage is easy to cause environmental pollution.
The CN102409537A patent discloses a 'after-finishing process of shrink-proof, crease-resistant, moisture-absorbing and quick-drying shirt collar interlining', which selects a modifier of polyethylene siloxane as a moisture-absorbing and quick-drying finishing agent, can be used alone, and can also be used together with a certain concentration of resin and catalyst to prepare a working solution to pad fabrics, so that the fabrics are endowed with soft hand feeling, moisture-absorbing and quick-drying effects, and the process is suitable for cotton, polyester and blended fabrics thereof. However, the finished fabric has no durability, and the functions of the fabric except moisture absorption and quick drying are not researched.
The CN107904955A patent discloses a composite anti-wrinkle anti-fuzzing treatment agent and a preparation method thereof, which adopts hydrogen-containing silicone oil emulsion and acid anhydride to carry out free radical polymerization under the action of an initiator, and then adds organic silicon and an emulsifier to carry out emulsification and compounding to obtain the composite anti-wrinkle anti-fuzzing treatment agent. The fabric finished by the aid improves the crease resistance and the pilling resistance. For example, after finishing the cotton fabric, the crease recovery angle can be improved by 119 degrees compared with that before finishing; the breaking strength retention rate is more than 95 percent; the pilling resistance rating increased from grade 2 to grade 5. However, no discussion has been made on fabrics other than cellulose fiber fabrics (cotton, bamboo, hemp) and they do not have moisture absorption and quick-drying properties.
The CN107057030A patent discloses a cationic polyurethane and a preparation method thereof, a fabric pretreatment solution and application thereof, which can effectively improve the fiber structure damage caused by the previous processing procedure of the finished fabric, improve the strength and improve the anti-pilling performance. The application evaluation of the examples does not refer to the specific type and specification of the finished fabric, the fuzzing and pilling resistance of the finished fabric can be improved from 2.5-3 grade to 3-4 grade, and the elongation at break can be improved by 1-5 percent. However, the washfastness of each function of the finished fabric is not discussed, and the wrinkle resistance and the moisture absorption quick-drying property of the finished fabric are not discussed.
The CN104532589A patent discloses a durable breathable, antibacterial, reinforcing, moisture-absorbing and quick-drying finishing agent for textiles and a preparation method thereof, the durable breathable, antibacterial, reinforcing, moisture-absorbing and quick-drying finishing agent is prepared by mixing a polyurethane adhesive, blocked isocyanate, the moisture-absorbing and quick-drying finishing agent and an antibacterial finishing agent, is suitable for polyester and pure cotton fabrics, enables finished products to have the functional characteristics of breathability, antibacterial, reinforcing, moisture-absorbing and quick-drying, and has excellent fastness to washing. The breaking strength of the pure cotton and polyester fabrics finished by the finishing agent is improved by 1-8% in a variable way, and the breaking strength of the pure cotton and polyester fabrics can be improved after 50 times of washing. The reinforcing property and the water washing resistance are realized by the combined action of a carbamate adhesive and blocked isocyanate. The finishing agent has the defects that in the finishing agent, the polyurethane adhesive and the blocked isocyanate have larger using amount and are anionic, and cannot be compatible with cationic dimethylol dihydroxy ethylene urea resin anti-crease finishing agent for one-bath finishing; the blocked isocyanate belongs to a cross-linking agent, the hard segment accounts for a large amount, and a film is hard after drying and cross-linking, so that the hand feeling of the fabric is influenced; fabrics other than polyester and pure cotton were not discussed, and the wrinkle resistance and pilling resistance of the finished fabrics were not discussed.
In summary, in order to obtain desired wrinkle resistance, moisture absorption and quick drying properties, and pilling resistance simultaneously, it is often necessary to perform finishing 2 or 3 times. When the existing crease-resistant finishing agent is used for finishing alone, the strength of the fabric is generally greatly reduced; when the existing moisture absorption quick-drying finishing agent is used for independent finishing, the combination fastness, namely the washing fastness, of the fabric is relatively poor; when the existing anti-pilling agent is used as a finishing agent, the fabric has poor hydrophilicity, the finished fabric cannot have a good moisture absorption and quick drying effect, and the hand feeling is hard. When the above-mentioned multiple auxiliaries are finished simultaneously, the compatibility, processing sustainability and applicability of the auxiliaries to various fabrics need to be considered, and whether the functional effects of the auxiliaries after finishing are mutually influenced or not need to be considered, so that a synergistic effect can be exerted or not.
At present, no after-finishing working solution suitable for various fabrics exists, so that the fabrics can have excellent crease resistance, moisture absorption and quick drying performance and pilling resistance after one-time finishing, and the finished fabrics have soft hand feeling, small strength damage and high washing fastness.
Disclosure of Invention
The invention aims to provide a textile after-finishing liquid and a finishing process thereof, so that the textile can obtain good functional effects of crease resistance, moisture absorption and quick drying and pilling resistance after one-time finishing, and the finished textile has soft hand feeling, small strength damage and good washability.
The textile finishing liquid has the advantages of durability, crease resistance, moisture absorption, quick drying and pilling resistance:
comprises 60-80g/L of etherified modified dimethylol dihydroxy ethylene urea resin, 10-15g/L of catalyst, 10-30g/L of organic silicon emulsion and 20-40g/L of cation terminated polyurethane resin.
The etherified modified dihydroxymethyl dihydroxy ethylene urea resin can be selected from one of FS-528C product of Liaoning sidereal fine chemical engineering Co., Ltd, KNITTEX-7636 product of Hensman chemical, and DM-3510 product of Guangdong German fine chemical engineering Co., Ltd;
the catalyst is one of magnesium chloride, zinc chloride and aluminum chloride, preferably magnesium chloride;
the organic silicon emulsion is an FS-909 product of Liaoning sidereal fine chemical Co., Ltd;
the cation-terminated polyurethane resin is an FS-530A product of Liaoning sidereal fine chemical Co.
The invention discloses a textile durability crease-resistant, moisture-absorbing quick-drying, anti-pilling finishing method, which comprises the following steps:
(1) preparation of finishing liquor
Uniformly mixing etherified modified dimethylol dihydroxy ethylene urea resin, a catalyst, organic silicon emulsion, cation end-capped polyurethane resin and water to prepare aqueous solution of etherified modified dimethylol dihydroxy ethylene urea resin 60-80g/L, catalyst 10-15g/L, organic silicon emulsion 10-30g/L and cation end-capped polyurethane resin 20-40g/L to obtain finishing liquid;
(2) padding treatment
Padding and finishing the fabric by using the finishing liquid obtained in the step (1); two-dipping and two-rolling, the rolling residual rate is 60-80%, the drying is carried out at the temperature of 100-120 ℃ for 1-2 minutes, and the drying is carried out at the temperature of 150-170 ℃ for 1-2 minutes.
The etherified modified dihydroxymethyl dihydroxy ethylene urea resin can be selected from one of FS-528C product of Liaoning sidereal fine chemical engineering Co., Ltd, KNITTEX-7636 product of Hensman chemical, and DM-3510 product of Guangdong German fine chemical engineering Co., Ltd;
the catalyst is one of magnesium chloride, zinc chloride and aluminum chloride, preferably magnesium chloride;
the organic silicon emulsion is an FS-909 product of Liaoning sidereal fine chemical Co., Ltd;
the cation-terminated polyurethane resin is an FS-530A product of Liaoning sidereal fine chemical Co.
The invention provides a functional after-finishing liquid for textiles and a finishing process thereof, wherein all components selected by the finishing liquid are cationic or nonionic water-soluble substances, the compatibility between the cationic or nonionic water-soluble substances is good, the stability and the processing continuity of the finishing liquid are excellent, adverse reactions such as emulsion breaking, oil floating, roller sticking, precipitation and the like can not occur after long-time use, the textiles can be subjected to one-time padding finishing to obtain good anti-wrinkle, moisture absorption and quick drying and anti-pilling performance, the defect that multiple finishing is usually required to achieve the above functional performances is overcome, and the processing cost is saved. The finished fabric has soft hand feeling, small strength damage and good washability.
In the aspect of crease resistance, the etherified modified dihydroxymethyl dihydroxy ethylene urea resin is obtained by etherifying, grafting and modifying on a ring and a lateral group of the dihydroxymethyl dihydroxy ethylene urea resin. The dihydroxymethyl dihydroxy ethylene urea resin contains a plurality of hydroxyl groups, can react with active groups such as hydroxyl groups, amino groups and the like on fibers, simultaneously, the hydroxymethyl groups are also subjected to dehydration condensation and formaldehyde removal, newly-generated formaldehyde is absorbed by fabrics and further reacts with cellulose hydroxyl groups, and a plurality of condensation type long molecular chains are formed by crosslinking in the reaction process, so that the effects of durability and crease resistance are achieved. The etherified modified dihydroxymethyl dihydroxy ethylene urea resin selected by the invention is modified by etherification grafting, so that the release amount of formaldehyde after drying is greatly reduced, the free formaldehyde amount of the modified resin is lower than 0.4%, the formaldehyde release amount of the finished fabric is less than 50ppm, and the fabric can meet the II standard of OEKO-Texstandard 100. Compared with the common dimethylol dihydroxy ethylene urea resin, the crease resistance and the strength retention are also improved. Meanwhile, in the aspects of crease resistance, strength retention and price, no aldehyde type products can not be compared with the existing products, and the method is the best choice for crease-resistant finishing of fabrics.
In the aspect of moisture absorption and quick drying performance, the selected organic silicon emulsion (FS-909) is an organic silicon terpolymer modified by epoxy groups and hydroxyl-terminated polyether groups together. The epoxy group can generate self-crosslinking with the terminal hydroxyl group at high temperature to form a hydrophilic film on the surface of the fiber, and can also permeate into the fiber to generate crosslinking reaction with fiber macromolecules, so that firm adsorption is obtained; a large number of polyether groups on the side chains are gathered on the surface of the fabric and penetrate into the fiber as hydrophilic groups, so that the hydrophilic speed and the water absorption rate of the fabric are improved, the conduction and diffusion performance of moisture in the fabric are improved, the moisture absorbed by the fabric can be quickly evaporated and discharged into the atmosphere, and the effects of moisture absorption and quick drying are achieved; the main chain of the polymer is an organic silicon flexible chain segment, so that the fabric can be endowed with soft hand feeling, and the tearing strength of the fabric can be improved;
in the aspect of fuzzing and pilling resistance, the selected cationic end-capped polyurethane (FS-530A) adopts special trifunctional high-molecular-weight polyether polyol during synthesis, the prepared polyurethane resin has a multi-branched structure, is deposited on the surface of a fabric and in a fiber after finishing, can form a macromolecular net structure after being dried, is strong in film forming effect of the net macromolecule, is soft and elastic, can improve the hand feeling of the fabric while achieving the effect of fuzzing and pilling resistance, and has a certain anti-wrinkle effect; meanwhile, due to the existence of the macromolecular polyether chain segment, the formed film has better hydrophilicity, and the hydrophilicity and the moisture conductivity of the fabric are improved together with the side chain polyether group in the organic silicon emulsion (FS-909), so that the effects of moisture absorption and quick drying are achieved.
The selected cationic blocked polyurethane (FS-530A) is blocked when synthesizing a prepolymer, isocyanate groups are blocked, and active isocyanate groups are released after high-temperature baking and can react with groups containing active hydrogen in the fabric, so that the crosslinking film forming performance of the cationic blocked polyurethane and the fabric is enhanced, the breaking strength of the fabric is further improved, and the washability of the fabric is enhanced; meanwhile, the released active isocyanate group can also react with hydroxyl in etherified modified dimethylol dihydroxy ethylene urea resin and organic silicon emulsion (FS-909) to form a net structure through chemical bonding, so that the crosslinking fastness is increased, and the washing fastness of the fabric is enhanced.
In addition, reactive isocyanate groups react with amino groups and hydroxyl groups in fiber macromolecules to form a flexible net-shaped cross-linking structure on the fiber macromolecules, part of the flexible net-shaped cross-linking structure is deposited in an amorphous area of the fiber, relative slippage of fiber molecular chains or basic structural units is limited by means of frictional resistance and hydrogen bonds, and the crease resistance and elasticity of the finished fabric are endowed by the two functions. The retention of breaking strength and breaking elongation is realized because the polyurethane molecular chain is longer and has excellent elasticity, the structure contains a larger proportion of soft segments, the soft segments contain C-O single bonds and C-C single bonds, the rotation frequency in the single bonds is high, various conformations can be formed at normal temperature, the flexibility is realized, the soft segments can form flexible cross-linking with fibers, the mobility of the fibers after cross-linking is enhanced, when the fibers receive the action of external force, the molecular chain segments can compensate and balance the stress distribution on each molecular chain through slipping, the stress is dispersed, the uneven stress of the fibers is reduced, and the stretching and breaking strength is improved.
The textile after-finishing working solution disclosed by the invention has the advantages that through the selection and compatibility of the auxiliary agents, the textile can obtain good crease resistance, moisture absorption and quick drying performance and pilling resistance after finishing, the strength retention of the textile is improved through chemical bonding, the washing fastness is excellent, and the textile after-finishing working solution is suitable for various textiles.
Detailed Description
Example 1
(1) Preparation of finishing liquor
Uniformly mixing etherified modified dimethylol dihydroxy ethylene urea resin (KNITTEX-7636), magnesium chloride, organic silicon emulsion (FS-909), cationic end-capped polyurethane resin (FS-530A) and water to prepare aqueous solution of etherified modified dimethylol dihydroxy ethylene urea resin (KNITTEX-7636) 80g/L, magnesium chloride 15g/L, organic silicon emulsion (FS-909) 10g/L and cationic end-capped polyurethane resin (FS-530A) 20g/L to obtain finishing liquid;
(2) padding finishing
Padding and finishing pure cotton base cloth (specification: 60 multiplied by 60/90 multiplied by 88 twill) by using the finishing liquid obtained in the step (1); two-dipping and two-rolling, the rolling residual rate is 60-80%, the drying is carried out at the temperature of 100-120 ℃ for 1-2 minutes, and the drying is carried out at the temperature of 150-170 ℃ for 1-2 minutes.
Example 2
(1) Preparation of finishing liquor
Uniformly mixing etherified modified dimethylol dihydroxy ethylene urea resin (DM-3510), magnesium chloride, organic silicon emulsion (FS-909), cation end-capped polyurethane resin (FS-530A) and water to prepare aqueous solution of 80g/L of etherified modified dimethylol dihydroxy ethylene urea resin (DM-3510), 15g/L of magnesium chloride, 10g/L of organic silicon emulsion (FS-909) and 20g/L of cation end-capped polyurethane resin (FS-530A) to obtain finishing liquid;
(2) padding finishing
Padding and finishing pure cotton base cloth (specification: 60 multiplied by 60/90 multiplied by 88 twill) by using the finishing liquid obtained in the step (1); two-dipping and two-rolling, the rolling residual rate is 60-80%, the drying is carried out at the temperature of 100-120 ℃ for 1-2 minutes, and the drying is carried out at the temperature of 150-170 ℃ for 1-2 minutes.
Example 3
(1) Preparation of finishing liquor
Uniformly mixing etherified modified dimethylol dihydroxy ethylene urea resin (FS-528C), magnesium chloride, organic silicon emulsion (FS-909), cation end-capped polyurethane resin (FS-530A) and water to prepare aqueous solution of 80g/L of etherified modified dimethylol dihydroxy ethylene urea resin (FS-528C), 15g/L of magnesium chloride, 10g/L of organic silicon emulsion (FS-909) and 20g/L of cation end-capped polyurethane resin (FS-530A) to obtain finishing liquid;
(2) padding finishing
Padding and finishing pure cotton base cloth (specification: 60 multiplied by 60/90 multiplied by 88 twill) by using the finishing liquid obtained in the step (1); two-dipping and two-rolling, the rolling residual rate is 60-80%, the drying is carried out at the temperature of 100-120 ℃ for 1-2 minutes, and the drying is carried out at the temperature of 150-170 ℃ for 1-2 minutes.
Example 4
(1) Preparation of finishing liquor
Uniformly mixing etherified modified dimethylol dihydroxy ethylene urea resin (KNITTEX-7636), aluminum chloride, organic silicon emulsion (FS-909), cationic end-capped polyurethane resin (FS-530A) and water to prepare an aqueous solution of etherified modified dimethylol dihydroxy ethylene urea resin (KNITTEX-7636) 60g/L, magnesium chloride 10g/L, organic silicon emulsion (FS-909) 30g/L and cationic end-capped polyurethane resin (FS-530A) 40g/L to obtain a finishing solution;
(2) padding finishing
Padding and finishing polyester-cotton base cloth (the specification is 45T/C multiplied by 45T/C terylene/cotton 65/35 plain weave) by using the finishing liquid obtained in the step (1); two-dipping and two-rolling, the rolling residual rate is 60-80%, the drying is carried out at the temperature of 100-120 ℃ for 1-2 minutes, and the drying is carried out at the temperature of 150-170 ℃ for 1-2 minutes.
Example 5
(1) Preparation of finishing liquor
Uniformly mixing etherified modified dimethylol dihydroxy ethylene urea resin (DM-3510), aluminum chloride, organic silicon emulsion (FS-909), cation end-capped polyurethane resin (FS-530A) and water to prepare an aqueous solution of etherified modified dimethylol dihydroxy ethylene urea resin (DM-3510) 60g/L, magnesium chloride 10g/L, organic silicon emulsion (FS-909) 30g/L and cation end-capped polyurethane resin (FS-530A) 40g/L to obtain a finishing liquid;
(2) padding finishing
Padding and finishing polyester-cotton base cloth (the specification is 45T/C multiplied by 45T/C terylene/cotton 65/35 plain weave) by using the finishing liquid obtained in the step (1); two-dipping and two-rolling, the rolling residual rate is 60-80%, the drying is carried out at the temperature of 100-120 ℃ for 1-2 minutes, and the drying is carried out at the temperature of 150-170 ℃ for 1-2 minutes.
Example 6
(1) Preparation of finishing liquor
Uniformly mixing etherified modified dimethylol dihydroxy ethylene urea resin (FS-528C), aluminum chloride, organic silicon emulsion (FS-909), cation end-capped polyurethane resin (FS-530A) and water to prepare an aqueous solution of 60g/L of etherified modified dimethylol dihydroxy ethylene urea resin (FS-528C), 10g/L of magnesium chloride, 30g/L of organic silicon emulsion (FS-909) and 40g/L of cation end-capped polyurethane resin (FS-530A) to obtain a finishing liquid;
(2) padding finishing
Padding and finishing polyester-cotton base cloth (the specification is 45T/C multiplied by 45T/C terylene/cotton 65/35 plain weave) by using the finishing liquid obtained in the step (1); two-dipping and two-rolling, the rolling residual rate is 60-80%, the drying is carried out at the temperature of 100-120 ℃ for 1-2 minutes, and the drying is carried out at the temperature of 150-170 ℃ for 1-2 minutes.
Example 7
(1) Preparation of finishing liquor
Uniformly mixing etherified modified dimethylol dihydroxy ethylene urea resin (KNITTEX-7636), zinc chloride, organic silicon emulsion (FS-909), cationic end-capped polyurethane resin (FS-530A) and water to prepare aqueous solution of etherified modified dimethylol dihydroxy ethylene urea resin (KNITTEX-7636) 70g/L, magnesium chloride 15g/L, organic silicon emulsion (FS-909) 20g/L and cationic end-capped polyurethane resin (FS-530A) 30g/L to obtain finishing liquid;
(2) padding finishing
Padding and finishing nylon-cotton base cloth (specification: 36S/2 nylon/cotton 60/40 plain weave) by using the finishing liquid obtained in the step (1); two-dipping and two-rolling, the rolling residual rate is 60-80%, the drying is carried out at the temperature of 100-120 ℃ for 1-2 minutes, and the drying is carried out at the temperature of 150-170 ℃ for 1-2 minutes.
Example 8
(1) Preparation of finishing liquor
Uniformly mixing etherified modified dimethylol dihydroxy ethylene urea resin (DM-3510), zinc chloride, organic silicon emulsion (FS-909), cationic end-capped polyurethane resin (FS-530A) and water to prepare aqueous solution of 70g/L of etherified modified dimethylol dihydroxy ethylene urea resin (DM-3510), 15g/L of magnesium chloride, 20g/L of organic silicon emulsion (FS-909) and 30g/L of cationic end-capped polyurethane resin (FS-530A) to obtain finishing liquid;
(2) padding finishing
Padding and finishing nylon-cotton base cloth (specification: 36S/2 nylon/cotton 60/40 plain weave) by using the finishing liquid obtained in the step (1); two-dipping and two-rolling, the rolling residual rate is 60-80%, the drying is carried out at the temperature of 100-120 ℃ for 1-2 minutes, and the drying is carried out at the temperature of 150-170 ℃ for 1-2 minutes.
Example 9
(1) Preparation of finishing liquor
Uniformly mixing etherified modified dimethylol dihydroxy ethylene urea resin (FS-528C), zinc chloride, organic silicon emulsion (FS-909), cation end-capped polyurethane resin (FS-530A), water and water to prepare aqueous solution of 70g/L of etherified modified dimethylol dihydroxy ethylene urea resin (FS-528C), 15g/L of magnesium chloride, 20g/L of organic silicon emulsion (FS-909) and 30g/L of cation end-capped polyurethane resin (FS-530A) to obtain finishing liquid;
(2) padding finishing
Padding and finishing nylon-cotton base cloth (specification: 36S/2 nylon/cotton 60/40 plain weave) by using the finishing liquid obtained in the step (1); two-dipping and two-rolling, the rolling residual rate is 60-80%, the drying is carried out at the temperature of 100-120 ℃ for 1-2 minutes, and the drying is carried out at the temperature of 150-170 ℃ for 1-2 minutes.
Evaluation of Performance test
The detection result shows that the crease recovery angle of the pure cotton fabric finished by the finishing liquid can be improved by 72-91 degrees, and the crease recovery angle of the pure cotton fabric can be improved by 60-82 degrees after washing; the moisture absorption and quick drying before and after washing all meet the standard of national standard woven products; the anti-pilling performance can be improved from 3.5 grade to 4.5 grade, and no change is caused after washing; the breaking strength retention rate of the finished fabric is more than 87 percent, the breaking strength retention rate of the finished fabric is more than 84 percent after washing, and the tearing strength of the finished fabric is equal to that of the base fabric.
The detection result shows that the crease recovery angle of the pure cotton fabric finished by the finishing liquid can be improved by 77-87 degrees, and the crease recovery angle of the pure cotton fabric can be improved by 65-78 degrees after washing; the moisture absorption and quick drying before and after washing all meet the standard of national standard woven products; the anti-pilling performance can be improved from 3 grade to 4.5 grade, and the anti-pilling performance is not changed after washing; the breaking strength retention rate of the finished fabric is more than 92 percent, and the breaking strength retention rate of the finished fabric is more than 90 percent after washing; the tearing strength is improved by more than 18 percent.
The detection result shows that the crease recovery angle of the pure cotton fabric finished by the finishing liquid can be increased by 84-96 degrees, and the crease recovery angle of the pure cotton fabric can be increased by 72-88 degrees after washing; the moisture absorption and quick drying before and after washing all meet the standard of national standard woven products; the anti-pilling performance can be improved from 3.5 grade to 4.5 grade, and no change is caused after washing; the breaking strength retention rate of the finished fabric is more than 92 percent, and the breaking strength retention rate of the finished fabric is more than 90 percent after washing; the tearing strength is improved by more than 3 percent.
In conclusion, pure cotton, polyester cotton and nylon cotton fabrics finished by the finishing liquid have good crease resistance, moisture absorption and quick drying performance and pilling resistance, are small in strength damage and have good washing resistance.
The application test evaluation method is as follows:
water washing test evaluation standard: GB/T8629-2001 household washing and drying procedure for textile testing (5A procedure, 20 times, drying);
the anti-wrinkle performance test evaluation standard is as follows: GB/T3819-1997 method for determining the recovery angle of crease recovery of textile fabrics;
moisture absorption quick-drying performance test evaluation standard: GB/T21655.1-2008 assessment of quick moisture absorption drying of textiles part 1: single combinatorial testing approach.
And (3) evaluation standard of pilling resistance performance test: GB/T4802.2-2008 & lt determination of pilling resistance of textiles section 2: modified martindale method;
breaking strength and elongation test standards: GB/T3923.1-2013 part 1 of tensile Properties of textile fabrics: determination of breaking strength and elongation at break (bar method);
tear Strength test Standard: GB/T3917.2-2009 tear Performance for textile fabrics part 2: measurement of tearing Strength of a pants-type sample (Single slit) ".
Claims (2)
1. Textile durability crease-resistant, moisture absorption quick-drying, anti-pilling finishing liquor, characterized by:
comprises 60-80g/L of etherified modified dimethylol dihydroxy ethylene urea resin, 10-15g/L of catalyst, 10-30g/L of organic silicon emulsion and 20-40g/L of cation terminated polyurethane resin;
the catalyst is one of magnesium chloride, zinc chloride and aluminum chloride;
the organic silicon emulsion is an FS-909 product of Liaoning sidereal fine chemical Co., Ltd;
the cation-terminated polyurethane resin is an FS-530A product of Liaoning sidereal fine chemical Co.
2. The textile durability crease-resistant, moisture-absorbing quick-drying, anti-pilling finishing method is characterized by comprising the following steps:
(1) preparation of finishing liquor
Uniformly mixing etherified modified dimethylol dihydroxy ethylene urea resin, a catalyst, organic silicon emulsion, cation end-capped polyurethane resin and water to prepare aqueous solution of etherified modified dimethylol dihydroxy ethylene urea resin 60-80g/L, catalyst 10-15g/L, organic silicon emulsion 10-30g/L and cation end-capped polyurethane resin 20-40g/L to obtain finishing liquid;
(2) padding treatment
Padding and finishing the fabric by using the finishing liquid obtained in the step (1); two-dipping and two-rolling, the rolling residual rate is 60-80%, drying is carried out at the temperature of 100-;
the catalyst is one of magnesium chloride, zinc chloride and aluminum chloride;
the organic silicon emulsion is an FS-909 product of Liaoning sidereal fine chemical Co., Ltd;
the cation-terminated polyurethane resin is an FS-530A product of Liaoning sidereal fine chemical Co.
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