CN106930002A - A kind of true qualities bamboo magma non-weaving cloth and preparation method thereof - Google Patents

Abstract

The invention discloses a natural-color bamboo raw pulp nonwoven fabric and a preparation method thereof. The natural natural-color, harmless and environmentally-friendly bamboo raw pulp is used as a raw material to be mixed with other textile staple fibers, and the bamboo raw pulp and other textile staple fibers are adhered or bonded together. , to re-establish a three-dimensional net-like woven nonwoven fabric, which has sufficient width, length, and consistent weaving tightness and thickness of each part like textiles, and reaches the strength indicators of woven fabrics. At the same time, it reduces the damage to the original bamboo fiber, which is beneficial to protect the length and morphological structure of the original bamboo fiber, and keeps the "bamboo kun" from being damaged to the greatest extent. It has natural antibacterial, anti-mite, and deodorant functions.

Description

A kind of natural color bamboo raw pulp nonwoven fabric and preparation method thereof

Technical field:

The invention relates to the technical field of non-woven fabrics, in particular to a natural-color bamboo pulp non-woven fabric and a preparation method thereof.

Background technique:

Non-woven fabric is a kind of fabric that does not need spinning and weaving. It only uses short textile fibers or filaments to be oriented or randomly arranged to form a web structure, and then reinforced by mechanical, thermal bonding or chemical methods. Nonwoven fabric is a new type of fiber product with soft, breathable and planar structure formed directly by polymer chips, short fibers or filaments through various web forming methods and consolidation technologies. Its production process is short and the production speed is fast. , high output, low cost, wide application, and many sources of raw materials.

The production process of spunbond and spunlace nonwovens has developed rapidly. They are two commonly used methods in the manufacture of nonwovens. The production technology of spunbond nonwovens, also known as polymer spinning, is the use The principle is that continuous filament fibers are laid into a web during the polymer spinning process, and the web is hot-rolled or needle-punched to reinforce and entangle into a nonwoven fabric.

Spunlace nonwovens are also called jet spunlace nonwovens. The short fibers are opened, cleaned and carded to form a fiber web, and then high-pressure water is used to produce countless extremely fine water needles to shoot at the fiber web, so that the fibers are subjected to different conditions. Under the action of directional jets, they are entangled with each other, so that the fiber web is strengthened and entangled into a nonwoven fabric.

Although the above two methods can produce nonwoven fabrics, there are certain defects. The nonwoven fabric produced by the spunbond method has a hard hand and poor water absorption; while the nonwoven fabric produced by the spunlace method has poor strength. , high cost, with the continuous development of the market, people's demand and quality requirements for non-woven fabrics are getting higher and higher, and the non-woven fabrics produced by the above two methods can no longer meet people's needs.

Invention content:

The purpose of the present invention is to provide a kind of natural color bamboo raw pulp nonwoven fabric and its preparation method, use natural natural color harmless and environment-friendly bamboo raw pulp as raw material to mix with other textile staple fibers, bamboo raw pulp and other textile staple fibers are bonded or bonded Together, a three-dimensional net-like woven structure non-woven fabric is re-established. The non-woven fabric has sufficient width, length, and consistent weaving tightness and thickness of each part like a textile, and reaches the strength of a woven fabric. At the same time, it reduces the damage to the original bamboo fiber, which is beneficial to protect the length and morphological structure of the original bamboo fiber, and keeps the "bamboo kun" from being damaged to the greatest extent. It has natural antibacterial, anti-mite, and deodorant functions.

The present invention is achieved through the following technical solutions:

Disclosed is a non-woven fabric of natural-color bamboo pulp, which is composed of 1-99% by weight of natural-color bamboo pulp and 1-99% by weight of other short fibers for textiles, and the natural-color bamboo pulp and other short fibers for textiles are bonded together, Bonded together to form a three-dimensional net-like weaving structure; the natural color bamboo pulp is made of bamboo as raw material through a special pulping method, and does not contain harmful substances and any chemical additives. 100% plant natural natural color pulp , the bamboo material is selected from any one of Moso bamboo, Phoebe bamboo, Cizhu, etc.; the other textile short fibers are selected from at least one of natural fibers, chemical fibers, and artificial fibers; the natural color bamboo pulp is special The pulping method comprises the following steps:

1), raw material preparation: slice bamboo to grow 20-60mm, width 10-30mm and wash with water to obtain washed bamboo slices;

2), cooking: put the washed bamboo slices into a cooking pot at 150°C and cook for 80-180min to obtain a slurry;

3), washing: using washing equipment and water to wash the slurry obtained in step 2) to obtain the cleaned slurry;

4), slag removal: pump the cleaned slurry to the slag removal system for slag removal;

5) Beating: transport the washed and purified slurry to the beating equipment to make bamboo pulp; the beating degree is greater than 55゜SR

The preparation method of described natural color bamboo pulp nonwoven fabric may further comprise the steps:

1) Blending: blend natural bamboo pulp with other textile staple fibers to obtain semi-finished bamboo pulp paper;

2), reinforcement: the bamboo pulp paper semi-finished product that step 1) obtains adopts existing nonwoven technology such as mechanical consolidation, heat bonding, self-bonding etc. to reinforce;

3), drying: use a 30-60 degree dryer to dry to obtain the target product.

Furthermore, the present invention also protects a natural-color bamboo pulp nonwoven fabric, which is composed of 1-99% by weight of natural-color bamboo pulp and 1-99% by weight of other textile staple fibers. Also include woven fabric or non-woven fabric, the preparation method of described natural color bamboo pulp non-woven fabric is as follows:

1. Blending: blend natural bamboo pulp with other textile staple fibers to obtain semi-finished bamboo pulp paper;

2. Compounding: compounding the semi-finished bamboo pulp paper obtained in step 1 with existing various types of woven or non-woven fabrics;

3. Reinforcement: The product obtained in step 2 is reinforced with existing nonwoven fabric technologies such as mechanical consolidation, thermal bonding, self-bonding, etc.;

4. Drying: Use a 30-60 degree dryer to dry to obtain the target product.

The present invention also protects the application of the natural-color bamboo pulp non-woven fabric, and the natural-color bamboo pulp non-woven fabric is used as an inner surface layer in medical care, home decoration, clothing, industry, agriculture and others, as follows:

(1) Medical and health categories: surgical gowns, protective clothing, masks, shoe covers, sterilized wraps, bandages, gauze for dressing changes, blood and kidney dialysis filter materials, wiping cloths, wet face towels, soft towel rolls, beauty products, sanitary napkins , Sanitary pads, diapers and disposable sanitary cloths.

(2) Home decoration: carpets, wall coverings, furniture cloth, curtains, bed sheets, bedspreads, tablecloths, napkins, civilian rags, shopping bags, etc.

(3) Clothing: interlining base fabric, thermal insulation materials for clothing and gloves, adhesive interlining, shoulder pads, wadding, shaped cotton, various synthetic leather base fabrics, etc.

(4) Industrial category: geotextiles for reinforcement, reinforcement, compounding, seepage prevention, drainage, and separation; base materials for roof waterproofing membranes and asphalt tiles; reinforcing materials, polishing materials, insulating materials, thermal insulation and sound insulation materials; Various gas, liquid and solid filter materials; cement packaging bags, covering cloth, etc.

(5) Agriculture: crop protection cloth, seedling raising cloth, irrigation cloth, thermal insulation curtain, mulch bag, capillary pad, etc.

(6) Others: sleeping bags, tents, space cotton, oil-absorbing blankets, cigarette filters, tea bags, shoe materials, etc.

The beneficial effects of the present invention are as follows:

Compared with existing nonwoven fabrics, the nonwoven fabric of the present invention has the following advantages:

(1) Using pure natural natural bamboo pulp, and other textile staple fibers, the woven fibers are bonded or bonded together, and the re-established three-dimensional network weaving structure forms a high mechanical weaving characteristic, which can achieve machine weaving The strength indicators of the cloth, at the same time, there is no need to add any chemical additives such as alkalis, bleaching agents, and fluorescent whitening agents required by the existing non-woven fabric technology during the production process. Zero chemical additives are added, which is simpler and cheaper. The finished product More environmentally friendly, no pollution to the environment, no harm to the human body.

(2) Bamboo fiber contains an antibacterial substance called "bamboo kun", which has natural antibacterial, anti-mite, and deodorant properties. The invention reduces the procedures of opening, carding and net laying in the production of traditional nonwoven fabrics, simplifies the production process, reduces the production cost, and reduces the damage to the original bamboo fiber at the same time, which is beneficial to protect the length and shape structure of the original bamboo fiber. Keeping the "bamboo kun" from being damaged to the greatest extent is a height that cannot be achieved by various nonwovens on the market.

(3) The preparation method of natural color bamboo pulp nonwoven fabric of the present invention fully utilizes bamboo pulp and short fiber to fully mix, and the bamboo pulp paper semi-finished product that obtains can be combined with existing various types of woven fabrics or non-woven fabrics according to different product characteristics and requirements. Composite processing of woven fabrics makes the structure of the product more complete and highlights the functionality and practicability of the product.

Description of drawings:

Fig. 1 is the fiber morphology of the natural color bamboo pulp nonwoven fabric of the sample of wet wipes for infants and young children described in Example 4 after being dyed with Graff "C" dyeing agent at 100 times and 400 times the microscope.

detailed description:

The following is a further description of the present invention, rather than a limitation of the present invention.

Embodiment 1: a kind of preparation method of natural color bamboo pulp

Include the following steps:

1. Raw material preparation: Slicing any one of bamboo such as Moso bamboo, Phyllostachys edulis, Cizhu, etc. into 20-60mm long, 10-30mm wide, and washed with water to obtain washed bamboo slices;

2. Cooking: Put the washed bamboo slices into a cooking pot at 150°C for 80-180 minutes to get the slurry;

3. Washing: washing the slurry obtained in step 2 with washing equipment and water to obtain the cleaned slurry;

4. Slag removal: pump the cleaned slurry to the slag removal system for slag removal;

5. Beating: transport the washed and purified slurry to the beating equipment to make bamboo pulp; the beating degree is greater than 55゜SR.

Embodiment 2: a kind of natural color bamboo raw pulp nonwoven fabric

A non-woven fabric of natural-color bamboo pulp, which is composed of 1-99% by weight of the natural-color bamboo pulp obtained in Example 1, 1-99% by weight of other short fibers for textile use, natural-color bamboo pulp and other textile Use short fibers to bond, bond or compound together to form a three-dimensional net-like weaving structure; the natural bamboo pulp is made of bamboo as raw material through a special pulping process, and does not contain harmful substances and any chemical additives 100% plant natural natural color paste; the other short textile fibers are selected from at least one of natural fibers, chemical fibers and artificial fibers.

The preparation method of described natural color bamboo pulp nonwoven fabric is as follows:

1. Mixing: 1-99% by weight of the original bamboo pulp obtained in Example 1 is mixed with 1-99% by weight of other textile staple fibers to obtain semi-finished bamboo pulp paper;

2. Reinforcement: the bamboo pulp paper semi-finished product obtained in step 1 is reinforced by existing non-woven fabric technology such as mechanical consolidation, thermal bonding, self-bonding, etc.;

3. Drying: Use a 30-60 degree dryer to dry to obtain the target product. The weight per unit area of the target product is 40-60 g/m ² . The strength index of described natural color bamboo pulp nonwoven fabric is as shown in table 1:

Table 1

Embodiment 3: a kind of natural color bamboo raw pulp nonwoven fabric

A natural-color bamboo pulp non-woven fabric, the natural-color bamboo pulp non-woven fabric is composed of 1-99% by weight of the natural-color bamboo pulp obtained in Example 1, 1-99% by weight of other textile staple fibers, and includes Woven or non-woven fabric, the preparation method of the natural color bamboo pulp non-woven fabric is as follows:

1, blending: the raw bamboo pulp obtained in Example 1 is blended with other short fibers for textiles to obtain semi-finished bamboo pulp paper;

2. Composite: According to different product characteristics and requirements, the semi-finished bamboo pulp paper obtained in step 1 is composited with existing various types of woven or non-woven fabrics;

3. Reinforcement: use existing nonwoven fabric technologies such as mechanical consolidation, thermal bonding, self-bonding, etc. for reinforcement;

4. Drying: Use a 30-60 degree dryer to dry to obtain the target product. The weight per unit area of the target product is 40-60 g/m ² . The strength index of described natural color bamboo pulp nonwoven fabric is as follows:

Embodiment 4: the application of natural color bamboo pulp nonwoven fabric

Examples 2 and 3 prepared natural-color bamboo pulp nonwoven fabrics and applied them to masks, wet wipes and sanitary napkins as inner surface layers.

The natural color bamboo pulp non-woven fabric is applied to the mouth mask as the inner surface layer, and the bacteriostatic rate to Staphylococcus aureus reaches 92.53, and the bacteriostatic rate of the control group reaches 16.87; the bacteriostatic rate to E. coli reaches 94.34%, and the control group The bacteriostatic rate of the control group was 11.9%; the bacteriostatic rate of Candida albicans was 89.48%, and the bacteriostatic rate of the control group was 15.79%.

The 20*15cm wet tissue sample obtained by applying the natural color bamboo pulp nonwoven fabric as the inner surface layer to infant wet tissue was passed by the Guangzhou Industrial Microbiology Testing Center in November 2016 according to the method in Appendix 4 of the GB15979-2002 Disposable Hygienic Products Standard. Tested on the 16th, the antibacterial rate of Staphylococcus aureus reached 78.23%, and the antibacterial rate of the control group was 11.36. The natural color bamboo pulp non-woven fabric of the sample baby wipes was observed under a microscope at 100 times and 400 times after being dyed with Graff "C" staining agent. As shown in Figure 1, most of the fibers are thin and long, with sharp ends, and few Too curved, with smooth edges without scallops, pitted, and mostly rectangular.

The sample of the natural color bamboo pulp nonwoven fabric applied to the sanitary napkin as the inner surface layer was tested by the Guangdong Provincial Microbial Analysis and Testing Center, and the results were as follows: the sample of the natural color bamboo pulp nonwoven fabric applied to the sanitary napkin as the inner surface layer The bacteriostatic rate to Staphylococcus aureus reached 87.42%, and the bacteriostatic rate of the control group was 14.29%; the bacteriostatic rate to E. coli reached 94.34%, and the bacteriostatic rate of the control group was 11.9%; The bacterial rate was 89.48%, and the bacteriostatic rate of the control group was 15.79.

Claims (7)

1. A nonwoven fabric of natural color bamboo pulp, characterized in that, the nonwoven fabric is made of 1 to 99% by weight of natural bamboo pulp, 1 to 99% by weight of other textile staple fibers, natural color bamboo pulp and other Textile short fibers are bonded and bonded together to form a three-dimensional net-like weaving structure; the natural bamboo pulp is made of bamboo as raw material through a special pulping method, and does not contain harmful substances and any chemical additives 100 % plant natural natural color paste, the bamboo material is selected from any one of moso bamboo, phoenix bamboo, and Cizhu; the other textile short fibers are selected from at least one of natural fibers, chemical fibers, and man-made fibers; The special pulping method of raw bamboo pulp includes the following steps: 1), raw material preparation: slice bamboo to grow 20-60mm, width 10-30mm and wash with water to obtain washed bamboo slices; 2), cooking: put the washed bamboo slices into a cooking pot at 150°C and cook for 80-180min to obtain a slurry; 3), washing: using washing equipment and water to wash the slurry obtained in step 2) to obtain the cleaned slurry; 4), slag removal: pump the cleaned slurry to the slag removal system for slag removal; 5) Beating: transport the washed and purified slurry to the beating equipment to make bamboo pulp; the beating degree is greater than 55゜SR. 2. a kind of preparation method of natural color bamboo pulp nonwoven fabric described in claim 1 is characterized in that, comprises the following steps: 1) Blending: blend natural bamboo pulp with other textile staple fibers to obtain semi-finished bamboo pulp paper; 2), reinforcement: the bamboo pulp paper semi-finished product obtained in step 1) is reinforced by existing non-woven fabric technology; 3), drying: use a 30-60 degree dryer to dry to obtain the target product. 3. the preparation method of natural color bamboo pulp non-woven fabric according to claim 2, is characterized in that, step 2) described existing non-woven fabric technology is selected from any of mechanical consolidation, thermal bonding, self-bonding. A sort of. 4. A kind of natural color bamboo pulp nonwoven fabric, it is characterized in that, this natural color bamboo pulp nonwoven fabric is made of the original color bamboo pulp of 1～99% weight part, other textile staple fiber of 1～99% weight part, also includes Woven cloth or nonwoven fabric, the preparation method of described natural color bamboo pulp nonwoven fabric is as follows: 1. Blending: blend natural bamboo pulp with other textile staple fibers to obtain semi-finished bamboo pulp paper; 2. Composite: Composite processing the semi-finished bamboo pulp paper obtained in step 1 with existing woven or non-woven fabrics; 3. Reinforcement: the product obtained in step 2 is reinforced with existing nonwoven fabric technology; 4. Drying: Use a 30-60 degree dryer to dry to obtain the target product. 5. the application of the natural color bamboo pulp nonwoven fabric described in claim 1 or 4. 6. The application of the natural color bamboo pulp nonwoven fabric according to claim 5, characterized in that, the natural color bamboo pulp nonwoven fabric is used as an inner surface layer in medical care, home decoration, clothing, industry, agriculture and other. 7. the application of natural color bamboo pulp nonwoven fabric according to claim 6, is characterized in that, described medical sanitation comprises: surgical gown, protective clothing, mouth mask, shoe cover, sterilized cloth, bandage, dressing change gauze, blood and kidney dialysis filter material, wiping cloth, wet face towel, soft towel roll, beauty products, sanitary napkin, sanitary pad, diaper and disposable sanitary cloth; the home decoration includes carpet, wall covering, furniture cloth, curtain , bed sheets, bedspreads, tablecloths, napkins, civilian rags, shopping bags; the garments include interlining base fabrics, thermal insulation materials for clothing and gloves, adhesive interlinings, shoulder pads, wadding, shaped cotton, and various synthetic leather base fabrics; the industrial Including geotextiles for reinforcement, reinforcement, composite, anti-seepage, drainage, and separation; base materials for roof waterproofing membranes and asphalt tiles; reinforcement materials, polishing materials, insulation materials, thermal insulation materials; various gases, liquids, Solid filter material; cement packaging bag, covering cloth; said agriculture includes crop protection cloth, seedling raising cloth, irrigation cloth, thermal insulation curtain, mulch bag, capillary pad, and others include sleeping bag, tent, space cotton, oil-absorbing blanket , cigarette filters, tea bags, shoe materials.