CN104674562A - Method for preparing sea-island ultrafine fiber PU (polyurethane) leather base cloth by using additive-type water proofing, oil repellent and antifouling finishing agent - Google Patents
Method for preparing sea-island ultrafine fiber PU (polyurethane) leather base cloth by using additive-type water proofing, oil repellent and antifouling finishing agent Download PDFInfo
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- CN104674562A CN104674562A CN201510094996.1A CN201510094996A CN104674562A CN 104674562 A CN104674562 A CN 104674562A CN 201510094996 A CN201510094996 A CN 201510094996A CN 104674562 A CN104674562 A CN 104674562A
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- base cloth
- finishing agent
- oil repellent
- island
- water proofing
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- 238000000034 method Methods 0.000 title claims abstract description 52
- 239000004744 fabric Substances 0.000 title claims abstract description 43
- 239000004814 polyurethane Substances 0.000 title claims abstract description 39
- 239000003795 chemical substances by application Substances 0.000 title claims abstract description 37
- 229920002635 polyurethane Polymers 0.000 title claims abstract description 11
- 230000002940 repellent Effects 0.000 title abstract description 17
- 239000005871 repellent Substances 0.000 title abstract description 17
- 239000010985 leather Substances 0.000 title abstract description 13
- 230000003373 anti-fouling effect Effects 0.000 title abstract description 7
- 238000004078 waterproofing Methods 0.000 title abstract 5
- 229920001410 Microfiber Polymers 0.000 title abstract 4
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims abstract description 33
- 239000002904 solvent Substances 0.000 claims abstract description 25
- 239000000835 fiber Substances 0.000 claims abstract description 23
- -1 polyethylene Polymers 0.000 claims abstract description 19
- 239000002994 raw material Substances 0.000 claims abstract description 17
- 239000004698 Polyethylene Substances 0.000 claims abstract description 14
- 229920000573 polyethylene Polymers 0.000 claims abstract description 14
- 239000004745 nonwoven fabric Substances 0.000 claims abstract description 11
- 238000005470 impregnation Methods 0.000 claims abstract description 10
- 239000002002 slurry Substances 0.000 claims abstract description 9
- 229920002292 Nylon 6 Polymers 0.000 claims abstract description 7
- 239000000203 mixture Substances 0.000 claims abstract description 6
- 239000004094 surface-active agent Substances 0.000 claims description 19
- 238000005406 washing Methods 0.000 claims description 9
- 238000002360 preparation method Methods 0.000 claims description 7
- 238000001467 acupuncture Methods 0.000 claims description 6
- 239000000284 extract Substances 0.000 claims description 6
- 230000002209 hydrophobic effect Effects 0.000 claims description 6
- 239000000126 substance Substances 0.000 claims description 5
- 238000005034 decoration Methods 0.000 claims description 3
- 239000003945 anionic surfactant Substances 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 239000002270 dispersing agent Substances 0.000 abstract description 12
- 238000001035 drying Methods 0.000 abstract description 3
- 238000004080 punching Methods 0.000 abstract 1
- 239000002585 base Substances 0.000 description 37
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 34
- 239000003921 oil Substances 0.000 description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 17
- 238000005516 engineering process Methods 0.000 description 14
- 238000007598 dipping method Methods 0.000 description 12
- 238000011156 evaluation Methods 0.000 description 12
- 238000012360 testing method Methods 0.000 description 12
- 239000007788 liquid Substances 0.000 description 11
- 239000000344 soap Substances 0.000 description 10
- 239000012752 auxiliary agent Substances 0.000 description 9
- 238000004513 sizing Methods 0.000 description 9
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 8
- GLDOVTGHNKAZLK-UHFFFAOYSA-N octadecan-1-ol Chemical compound CCCCCCCCCCCCCCCCCCO GLDOVTGHNKAZLK-UHFFFAOYSA-N 0.000 description 8
- 230000000052 comparative effect Effects 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 229920005749 polyurethane resin Polymers 0.000 description 5
- 238000010998 test method Methods 0.000 description 5
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Natural products CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- ZJCCRDAZUWHFQH-UHFFFAOYSA-N Trimethylolpropane Chemical compound CCC(CO)(CO)CO ZJCCRDAZUWHFQH-UHFFFAOYSA-N 0.000 description 4
- 235000019441 ethanol Nutrition 0.000 description 4
- 239000012948 isocyanate Substances 0.000 description 4
- 239000002649 leather substitute Substances 0.000 description 4
- GOQYKNQRPGWPLP-UHFFFAOYSA-N n-heptadecyl alcohol Natural products CCCCCCCCCCCCCCCCCO GOQYKNQRPGWPLP-UHFFFAOYSA-N 0.000 description 4
- 229910052757 nitrogen Inorganic materials 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 239000004615 ingredient Substances 0.000 description 3
- 238000012805 post-processing Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 239000004902 Softening Agent Substances 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 239000004519 grease Substances 0.000 description 2
- 229920001296 polysiloxane Polymers 0.000 description 2
- 206010013786 Dry skin Diseases 0.000 description 1
- 238000006424 Flood reaction Methods 0.000 description 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- JMGZBMRVDHKMKB-UHFFFAOYSA-L disodium;2-sulfobutanedioate Chemical compound [Na+].[Na+].OS(=O)(=O)C(C([O-])=O)CC([O-])=O JMGZBMRVDHKMKB-UHFFFAOYSA-L 0.000 description 1
- MPVXINJRXRIDDB-VCDGYCQFSA-N dodecanoic acid;(2r,3r,4r,5s)-hexane-1,2,3,4,5,6-hexol Chemical compound OC[C@H](O)[C@@H](O)[C@H](O)[C@H](O)CO.CCCCCCCCCCCC(O)=O MPVXINJRXRIDDB-VCDGYCQFSA-N 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/04—Layered products comprising a layer of synthetic resin as impregnant, bonding, or embedding substance
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/16—Nitrogen-containing compounds
- C08K5/205—Compounds containing groups, e.g. carbamates
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
- C08L75/04—Polyurethanes
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/322—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing nitrogen
- D06M13/402—Amides imides, sulfamic acids
- D06M13/425—Carbamic or thiocarbamic acids or derivatives thereof, e.g. urethanes
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Abstract
The invention discloses a method for preparing sea-island ultrafine fiber PU (polyurethane) leather base cloth by using an additive-type water proofing, oil repellent and antifouling finishing agent. The method comprises the following steps: the additive-type water proofing, oil repellent and antifouling finishing agent is added to solvent type PU, an auxiliary, color paste, a dispersing agent and a solvent raw material, the mixture is uniformly mixed to form wet-process impregnation slurry, then non-woven fabric formed by punching sea-island short fiber taking nylon 6 and polyethylene as the raw materials is impregnated in the wet-process slurry, solidified and washed, then polyethylene is extracted from thermal toluene with decrement, and the water proofing, oil repellent and antifouling ultrafine fiber PU leather base cloth is obtained after expanding and drying, oil applying and leather tanning. The water proofing, oil repellent and antifouling effects of the base cloth can be guaranteed, and soft hand feel can be kept; the ultrafine fiber PU leather base cloth can be used for preparing outdoor sportswear, articles for labor protection, leisure home accessories or automobile interior trim, and has broad market prospect.
Description
Technical field
The present invention relates to the production method that island superfine fiber PU removes from office base cloth.
Background technology
Corium resource reduces day by day, and process environmental pollution is serious, and country encourages to eliminate high pollution Leather Factory, and development of new material replaces leather.Superfine fiber polyurethane leather (being called for short: super fine PU leather) technical development is increasingly mature, and every physicochemical property all exceedes PVC leather and common PU removes from office, and obtained product and corium, close to even exceeding corium, are widely used in corium field.
The fields such as three anti-(i.e. waterproof, grease proofing, antifouling) superfine fiber polyurethane leather (being called for short: super fine PU removes from office) is mainly used in moving out of doors, labor protection, leisure household, automotive trim.
At present, on the market three anti-super fine PU remove from office base cloth, mostly obtained by post processing waterproof technology, remove from office base cloth by super fine PU and pad the three-proof finishing agent aqueous solution, then be cross-linked film forming under the high temperature conditions, adopt the Ji Bu that the method is obtained, feel is partially hard, plastic cement sense is strong, lacks the soft feel of corium.So, someone adopts and is added in the three-proof finishing agent aqueous solution by silicone softening agent, so just, solve the problem of base cloth Boardy Feeling, but the anti-weak effect of base cloth three dealt, this is because silicone softening agent can weaken three anti-effects of measures in water/oil/stain proof finish with organic fluorine agent.Such client or sacrifice feel, or sacrifice three anti-effects, accept to use super fine PU to remove from office base cloth.In addition, the PU that the method is produced removes from office base cloth after repeatedly washing, and NBC protective performance declines greatly, and it is relevant that this and the water-based three-proof finishing agent used itself have hydrophilicity.
Summary of the invention
The object of the present invention is to provide a kind of method using addition type three-proof finishing agent to prepare island superfine fiber PU leather base cloth, to overcome the defect that prior art exists.
Method provided by the present invention, comprises the steps:
Addition type three-proof finishing agent is added in raw materials such as comprising conventional solvent borne polyurethane, auxiliary agent, mill base and solvent, mix, form wet impregnation slurry, the fabric of island-in-sea type staple fibre being raw material by nylon 6 and polyethylene is again immersed in wet process furnish through the nonwoven fabric that acupuncture is formed, and then through supersolidification and washing, then decrement extracts polyethylene out in hot toluene, expanding is dry, oil, rub skin, obtain three anti-superfine fibre PU and remove from office base cloth;
Described dipping sizing agent proportioning process, nonwoven fabric needling process, floods, solidifies and washing process, and decrement, expanding are dry, oil and rub the techniques such as skin and be this area common process, can bibliography: Qu Jianbo: the process technology reported in " synthetic leather technology " P20-P225.
Described addition type dipping sizing agent, comprises the component of following parts by weight:
The preparation method of described addition type three-proof finishing agent is as follows:
Under nitrogen protection; by perfluoroalkyl ethyl alcohol 50 ~ 100g; toluene di-isocyanate(TDI) 50 ~ 120g; trimethylolpropane 2 ~ 20g, stearyl alcohol 30 ~ 100g, dimethyl formamide 100 ~ 200g; add in reaction vessel; react 4 ~ 10 hours under 70 ~ 75 DEG C of conditions, obtain the described addition type three-proof finishing agent that weight solid content is 30% ~ 80%, its chemical structure of general formula is such as formula (1):
Wherein: R1 is CH
3cH
2c (CH
2)
3;
R2 is C
6h
3(CH
3);
R3 is CH
2cH
2(CF
2) nCF
3n is the integer of 2 ~ 40;
R4 is (CH
2)mCH
3m is the integer of 12 ~ 20;
Described polyurethane resin, surfactant, mill base and solvent are conventional super fine production wet process furnish raw material;
Wherein, described surfactant is more than one in hydrophilic surfactant active or hydrophobic surfactant, hydrophilic surfactant active is anionic surfactant, infiltration and the diffusion of water can be promoted, thus quickening process of setting, can commercially available prod be adopted, such as: the N of sulfosuccinate sodium, dinethylformamide (DMF) combination solution, or the Shanghai Jing Lian Chemical Co., Ltd. trade mark is the product of JS-BT; Hydrophobic surfactant is nonionic surface active agent, its hydrophobicity can make freezing film increased periods, thus won the time for the DMF in polyurethane spreads, commercially available prod can be adopted, such as: the DMF combination solution of anhydrous sorbitol laurate, or the Shanghai Jing Lian Chemical Co., Ltd. trade mark be the product of JS-MS;
Described solvent is DMF (DMF);
Adopt said method to prepare island superfine fiber PU and remove from office base cloth, can be used for preparation outdoor exercises dress ornament, labour protection articles for use, leisure household decorations or automotive trim product.
Compared with the Ji Bu that current conventional post processing waterproof technology is obtained, the three anti-super fine PU that the technology of the present invention is produced remove from office base cloth, have more excellent three anti-effects (i.e. waterproof, grease proofing, antifouling); After washable test, still can keep three good anti-effects, and the base cloth that conventional post processing waterproof technology obtains is after washable test, three anti-successfuls decline; When wet method impregnation by regulating the modulus of wet method resin, three of base cloth anti-effects can be ensured, soft feel can be kept again.The super fine PU base cloth adopting the technology of the present invention to produce, can be used for preparation outdoor exercises dress ornament, labour protection articles for use, leisure household decorations or automotive trim product, has wide market sight.
Specific implementation method
Embodiment 1
Addition type three-proof finishing agent is added in the raw materials such as conventional solvent borne polyurethane, auxiliary agent, mill base, dispersant and solvent, mix and form wet impregnation slurry, the fabric of island-in-sea type staple fibre being raw material by nylon 6 and polyethylene is again immersed in wet process furnish through the nonwoven fabric that acupuncture is formed, then through supersolidification and washing, in hot toluene, decrement extracts polyethylene out again, and expanding is dry, oils, rub skin, obtain three anti-superfine fibre PU and remove from office base cloth;
Described addition type dipping sizing agent, the parts by weight of each component are as follows:
The preparation method of described addition type three-proof finishing agent A is as follows:
Under nitrogen protection, by perfluoroalkyl ethyl alcohol 50g, toluene di-isocyanate(TDI) 50g; trimethylolpropane 2g, stearyl alcohol 30g, dimethyl formamide 100g; add in reaction vessel, react 4 hours under 72 DEG C of conditions, obtain solid content for addition type three-proof finishing agent described in the above formula of 30%.
Obtained addition type three-proof finishing agent A, its chemical structural formula is such as formula (1);
Wherein: R1 is CH
3cH
2c (CH
2)
3;
R2 is C
6h
3(CH
3)
R3 is CH
2cH
2(CF
2) nCF
3n=2;
R4 is (CH
2)mCH
3m=12;
Described polyurethane resin, auxiliary agent, mill base, dispersant and solvent are conventional super fine production wet process furnish raw material;
Wherein, described hydrophilic surfactant active adopts the Shanghai Jing Lian Chemical Co., Ltd. trade mark to be the product of JS-BT;
Wherein, described solvent is dimethyl formamide;
Method of testing is with reference to water repellency AATCC 22, and oil repellent energy AATCC 118, evaluation result is in table 1.
Washfastness test, with reference to GB/T 3921-2008 first method, puts into the revolving cup filling liquid soap, liquid soap concentration 5g/L, bath raio 1:50 by base cloth, temperature 40 DEG C, rotates 40 minutes, then with reference to water repellency AATCC 22, oil repellent energy AATCC 118, evaluation test result, in table 2.
Embodiment 2
Addition type three-proof finishing agent is added in the raw materials such as conventional solvent borne polyurethane, auxiliary agent, mill base, dispersant and solvent, mix and form wet impregnation slurry, the fabric of island-in-sea type staple fibre being raw material by nylon 6 and polyethylene is again immersed in wet process furnish through the nonwoven fabric that acupuncture is formed, then through supersolidification and washing, in hot toluene, decrement extracts polyethylene out again, and expanding is dry, oils, rub skin, obtain three anti-superfine fibre PU and remove from office base cloth;
Described dipping sizing agent ingredients technical, nonwoven fabric needling technique, dipping Decrement Technique all can bibliography: Qu Jianbo: the process technology reported in " synthetic leather technology " P20-P225.
Described addition type dipping sizing agent, the parts by weight of each component are as follows:
The preparation method of described addition type three-proof finishing agent B is as follows:
Under nitrogen protection, by perfluoroalkyl ethyl alcohol 100g, toluene di-isocyanate(TDI) 120g; trimethylolpropane 20g, stearyl alcohol 100g, dimethyl formamide 200g; add in reaction vessel, under 70 DEG C of conditions, reaction obtains solid content for 10 hours for addition type three-proof finishing agent described in the above formula of 80%.
Obtained addition type three-proof finishing agent B, its chemical structural formula is such as formula (1);
Wherein: R1 is CH
3cH
2c (CH
2)
3;
R2 is C
6h
3(CH
3)
R3 is CH
2cH
2(CF
2) nCF
3n=40;
R4 is (CH
2)mCH
3m=20;
Described polyurethane resin, auxiliary agent, mill base, dispersant and solvent are conventional super fine production wet process furnish raw material;
Wherein, described hydrophobic surfactant adopts the Shanghai Jing Lian Chemical Co., Ltd. trade mark to be the product of JS-MS;
Wherein, described dispersant adopts the Bi Ke chemistry trade mark to be the product of BYK-P104S;
Wherein, described solvent is dimethyl formamide;
Method of testing is with reference to water repellency AATCC 22, and oil repellent energy AATCC 118, evaluation result is in table 1.
Washfastness test, with reference to GB/T 3921-2008 first method, puts into the revolving cup filling liquid soap, liquid soap concentration 5g/L, bath raio 1:50 by base cloth, temperature 40 DEG C, rotates 40 minutes, then with reference to water repellency AATCC 22, oil repellent energy AATCC 118, evaluation test result, in table 2.
Embodiment 3
Addition type three-proof finishing agent is added in the raw materials such as conventional solvent borne polyurethane, auxiliary agent, mill base, dispersant and solvent, mix and form wet impregnation slurry, the fabric of island-in-sea type staple fibre being raw material by nylon 6 and polyethylene is again immersed in wet process furnish through the nonwoven fabric that acupuncture is formed, then through supersolidification and washing, in hot toluene, decrement extracts polyethylene out again, and expanding is dry, oils, rub skin, obtain three anti-superfine fibre PU and remove from office base cloth;
Described dipping sizing agent ingredients technical, nonwoven fabric needling technique, dipping Decrement Technique all can bibliography: Qu Jianbo: the process technology reported in " synthetic leather technology " P20-P225.
Described addition type dipping sizing agent, the parts by weight of each component are as follows:
The preparation method of described addition type three-proof finishing agent C is as follows:
Under nitrogen protection, by perfluoroalkyl ethyl alcohol 70g, toluene di-isocyanate(TDI) 85g; trimethylolpropane 10g, stearyl alcohol 60g, dimethyl formamide 150g; add in reaction vessel, under 775 DEG C of conditions, reaction obtains solid content for 6 hours for addition type three-proof finishing agent described in the above formula of 60%.Obtained addition type three-proof finishing agent C, its chemical structural formula is such as formula (1):
Wherein: R1 is CH
3cH
2c (CH
2)
3;
R2 is C
6h
3(CH
3)
R3 is CH
2cH
2(CF
2) nCF
3n=14;
R4 is (CH
2)mCH
3m=14;
Described polyurethane resin, auxiliary agent, mill base, dispersant and solvent are conventional super fine production wet process furnish raw material;
Wherein, described hydrophilic surfactant active adopts the Shanghai Jing Lian Chemical Co., Ltd. trade mark to be the product of JS-BT; Hydrophobic surfactant adopts the Shanghai Jing Lian Chemical Co., Ltd. trade mark to be the product of JS-MS;
Wherein, described dispersant adopts the Bi Ke chemistry trade mark to be the product of BYK-P104S;
Wherein, described solvent is dimethyl formamide;
Method of testing is with reference to water repellency AATCC 22, and oil repellent energy AATCC 118, evaluation result is in table 1.
Washfastness test, with reference to GB/T 3921-2008 first method, puts into the revolving cup filling liquid soap, liquid soap concentration 5g/L, bath raio 1:50 by base cloth, temperature 40 DEG C, rotates 40 minutes, then with reference to water repellency AATCC 22, oil repellent energy AATCC 118, evaluation test result, in table 2
Comparative example 1
The solvent borne polyurethane of routine, auxiliary agent, mill base, dispersant and solvent are evenly formed wet impregnation slurry, the fabric of island-in-sea type staple fibre being raw material by nylon 6 and polyethylene is again immersed in wet process furnish through the nonwoven fabric that acupuncture is formed, then through supersolidification and washing, in hot toluene, decrement extracts polyethylene out again, expanding is dry, oil, rub skin, obtain superfine fibre PU and remove from office base cloth;
Described dipping sizing agent ingredients technical, nonwoven fabric needling technique, dipping Decrement Technique all can bibliography: Qu Jianbo: the process technology reported in " synthetic leather technology " P20-P225.
Described dipping sizing agent, the parts by weight of each component are as follows:
Described polyurethane resin, auxiliary agent, dispersant and solvent are conventional super fine production wet process furnish raw material;
Wherein, described hydrophilic aids surfactant adopts the Shanghai Jing Lian Chemical Co., Ltd. trade mark to be the product of JS-BT;
Wherein, described dispersant adopts the Bi Ke chemistry trade mark to be the product of BYK-P104S;
Wherein, described solvent is dimethyl formamide;
Method of testing is with reference to water repellency AATCC 22, and oil repellent energy AATCC 118, evaluation result is in table 1.
Washfastness test, with reference to GB/T 3921-2008 first method, puts into the revolving cup filling liquid soap, liquid soap concentration 5g/L, bath raio 1:50 by base cloth, temperature 40 DEG C, rotates 40 minutes, then with reference to water repellency AATCC 22, oil repellent energy AATCC 118, evaluation test result, in table 2
Comparative example 2
After base cloth drying obtained for comparative example 1, the three-prevention finishing agent solution of impregnation 5% concentration, two leachings two are rolled, and liquid carrying rate controls 65%, and 150 DEG C of shaping and dryings, rub skin, obtain three anti-superfine fibre PU and remove from office base cloth;
Method of testing is with reference to water repellency AATCC 22, and oil repellent energy AATCC 118, evaluation result is in table 1.
Washfastness test, with reference to GB/T 3921-2008 first method, puts into the revolving cup filling liquid soap, liquid soap concentration 5g/L, bath raio 1:50 by base cloth, temperature 40 DEG C, rotates 40 minutes, then with reference to water repellency AATCC 22, oil repellent energy AATCC 118, evaluation test result, in table 2.
The super fine base cloth water and oil repellant performance evaluation table of table 1 embodiment
| Sample ID | Water repellency/point | Oil repellent energy/level |
| Embodiment 1 | 90 | 5 |
| Embodiment 2 | 100 | 6 |
| Embodiment 3 | 95 | 5.5 |
| Comparative example 1 | 0 | 0 |
| Comparative example 2 | 85 | 4.5 |
Water and oil repellant performance evaluation table after the super fine base cloth washing of table 2 embodiment
| Sample ID | Water repellency/point | Oil repellent energy/level |
| Embodiment 1 | 80 | 3.5 |
| Embodiment 2 | 90 | 4.5 |
| Embodiment 3 | 85 | 4 |
| Comparative example 1 | 0 | 0 |
| Comparative example 2 | 50 | 1.5 |
。
Claims (7)
1. use addition type three-proof finishing agent to prepare the method that island superfine fiber PU removes from office base cloth, it is characterized in that, comprise the steps: addition type three-proof finishing agent to add to comprise in solvent borne polyurethane, surfactant, mill base and solvent materials, mix and form wet impregnation slurry, the fabric of island-in-sea type staple fibre being raw material by nylon 6 and polyethylene is again immersed in wet process furnish through the nonwoven fabric that acupuncture is formed, then through supersolidification and washing, in hot toluene, decrement extracts polyethylene out again, expanding is dry, oil, rub skin, obtain three anti-superfine fibre PU and remove from office base cloth.
2. method according to claim 1, is characterized in that, described addition type three-proof finishing agent, and its chemical structure of general formula is such as formula (1):
Wherein: R1 is CH
3cH
2c (CH
2)
3;
R2 is C
6h
3(CH
3);
R3 is CH
2cH
2(CF
2) nCF
3n is the integer of 2 ~ 40;
R4 is (CH
2)mCH
3m is the integer of 12 ~ 20.
3. method according to claim 1, is characterized in that, described wet impregnation slurry, and the component comprising parts by weight is as follows:
4. method according to claim 3, is characterized in that, described surfactant is more than one in hydrophilic surfactant active or hydrophobic surfactant; Described solvent is DMF.
5. method according to claim 4, is characterized in that, described hydrophilic surfactant active is anionic surfactant, and described hydrophobic surfactant is nonionic surface active agent.
6. the island superfine fiber PU that according to any one of claims 1 to 3 prepared by method removes from office base cloth.
7. island superfine fiber PU according to claim 6 removes from office the application of base cloth, it is characterized in that, for the preparation of outdoor exercises dress ornament, labour protection articles for use, leisure household decorations or automotive trim product.
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| CN110306315A (en) * | 2019-06-27 | 2019-10-08 | 浙江永祥合成材料有限公司 | A kind of base fabric after-processing technology of superfine fiber chemical leather |
| CN111074626A (en) * | 2019-12-25 | 2020-04-28 | 江苏华峰超纤材料有限公司 | Ultra-low fixed-load elongation rate microfiber base cloth and preparation method thereof |
| CN114575156A (en) * | 2022-03-23 | 2022-06-03 | 中国第一汽车股份有限公司 | Three-proofing composite finishing agent for automotive interior suede fabric, preparation and application |
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| CN114575156B (en) * | 2022-03-23 | 2024-04-16 | 中国第一汽车股份有限公司 | Three-proofing composite finishing agent for automotive interior suede-like fabric, preparation and application |
| CN118145926A (en) * | 2024-05-08 | 2024-06-07 | 西南石油大学 | Sea island fiber-based cement plugging agent for selective water plugging of gas wells and its application |
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Address after: 201508, No. 888 Ting Wei Road, Shanghai, Jinshan District Patentee after: Shanghai Huafeng Super Fiber Technology Co.,Ltd. Address before: 201508, No. 888 Ting Wei Road, Shanghai, Jinshan District Patentee before: HUAFON MICROFIBRE (SHANGHAI) Co.,Ltd. |