CN102199803A - High elastic non-ironing cellulose fiber and preparation method thereof - Google Patents
High elastic non-ironing cellulose fiber and preparation method thereof Download PDFInfo
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Abstract
The invention relates to a high elastic non-ironing cellulose fiber and a preparation method thereof, and belongs to the technical field of weaving. The high elastic non-ironing cellulose fiber is prepared from cellulose, a finishing agent and a catalyst through a cross linking reaction, and comprises, by mass, 85%-91% of the cellulose, 6%-10% of the finishing agent and 3%-5% of the catalyst. The high elastic non-ironing cellulose fiber provided by the present invention has advantages of excellent mechanical property, natural tactility, comfortable elasticity and good wrinkle resistance, can suffer a plurality of slashing washing technologies and finishing technologies, and can be widely applicable for products such as non-ironing shirts, trousers and suits so as to satisfy consumer demands of easy-care clothing and easy-care fabric. Due to the fiber with high elasticity, textile produced from the fiber provided by the present invention has excellent wrinkle resistance without ironing and finishing. With the present invention, processing enterprises of fabric and clothing can save cost and energy.
Description
Technical field
The present invention relates to a kind of cellulose fibre and preparation method thereof, belong to textile technology production and processing field with high elasticity and ironing-free performance.
Background technology
Progress along with society, science and technology development and growth in the living standard, people wear consumption idea and significant variation has taken place in the market demand, requirement to fiber and textiles has been not only stand wear and tear and beautiful good-looking, also pursues snugness of fit, health, safety and the feature of environmental protection etc. of textiles.Cellulose fibre has drawn from natural, have good hygroscopicity, gas permeability strong, comfortable and easy to wear, than premium properties such as easy dyeing, natural environmental protection, meet the requirement of people to comfortableness and environment protection health, be subjected to consumer's favor deeply.But the wrinkle resistance of cellulose fibre is relatively poor, and there is mutability in its fabric and defective such as crease easily in wearing use, causes cellulose base fiber fabric can not keep smooth and well-pressed outward appearance in the process washing the back and take, and influences its wearability.
The method of main at present employing post processing is carried out anti-crease finishing to cellulose base fiber fabric, to improve wearability, makes it keep the stable of form in wearing use, and research mainly concentrates on the exploitation of various finishing agents.The Chinese patent publication number is CN101235595A, open day is on August 6th, 2008, denomination of invention is anti-crease finishing liquid of a kind of cellulose base fiber fabric and its production and use, the disclosed dressing liquid of this application case is a kind of nano-resin dressing liquid, be in traditional modification 2D or derivatives thereof RESIN FINISH liquid, to add nano-oxide and make, and adopt two to soak two and roll cellulose base fiber fabric is carried out anti-crease finishing.The Chinese patent publication number is CN 1888298A, open day is on January 3rd, 2007, the method of denomination of invention for COTTON FABRIC being carried out wrinkle resistant processing with poly-(carboxylic acid) nano particle, this application case discloses the design of several poly-(carboxylic acids) with different molecular structures and synthetic, and the method for COTTON FABRIC being carried out anti-crease finishing.The Chinese patent publication number is CN 86107140A, open day is on April 29th, 1987, denomination of invention is the resin treatment method of the textiles of cellulose fiber, this application case discloses the method for the resin bath arrangement cellulose fiber textile that the water-soluble carbamate prepolymer of a kind of usefulness forms, and the dried wrinkle resistance of cellulose fiber textile and wet wrinkle resistance and wash and wear performance are improved.
Said method all is to adopt the method for back arrangement that cellulose base fiber fabric is carried out the ironing and anti-crease arrangement, exists fabric feeling to harden, powerful decline, and the easy yellowing of cloth cover, complex process and control require problems such as height.If in the production process of cellulose fibre, give its better elastic,, then can avoid the problems referred to above from improving the wearability of cellulose fibre in essence.At present, the research of this respect does not appear in the newspapers as yet.
Summary of the invention
Problem at above-mentioned existence, the object of the present invention is to provide and a kind ofly solve the mutability that cellulose fibre exists from the source and defective such as crease easily, its fabric is had excellent wearability the time comfortable and easy to wear again, satisfy consumer's commute and arrange the cellulose fibre with high elasticity and ironing-free performance and preparation method thereof of the demand of clothes, to achieve these goals, its technical solution is:
The non-ironing cellulose fibre of a kind of high elasticity, the non-ironing cellulose fibre of high elasticity are to be formed through chemical reaction is crosslinked by cellulose, finishing agent, catalyst, and wherein the quality percentage composition of each component is respectively in the non-ironing cellulose fibre of high elasticity:
Cellulose 85%～91%,
Finishing agent 6%～10%,
Catalyst 3%～5%.
The preparation method of the non-ironing cellulose fibre of a kind of high elasticity, the preparation method comprises the steps:
A is standby at 60～100 ℃ of vacuum drying 2～5h with selected cellulose;
B takes by weighing finishing agent according to 6.6%～11.6% of selected cellulose quality, take by weighing catalyst according to 3.3%～5.8% of selected cellulose quality, 10～50 times according to selected cellulose quality take by weighing ionic liquid, then finishing agent, catalyst and the ionic liquid that takes by weighing mixed, be heated to 30 ℃～40 ℃, stir again and make its dissolving, obtain modified solution;
C joins the cellulose after a handles in the modified solution that b obtains, and solution is warming up to 80 ℃, stirs and makes its dissolving, and vacuum deaerator 20h obtains the modification spinning solution then;
D will join in the distilled water according to the inorganic acid that 1%～3% of distilled water quality takes by weighing, and obtain acid solution, be heated to then 30～50 ℃ standby;
E is coagulating bath with the acid solution that obtains through the d modulation, adopts the production technology of ionic liquid method cellulose fibre, and the modification spinning solution that obtains through c is carried out spinning, obtains shaped fibers;
The shaped fibers that f obtains e is inserted baking oven and is carried out preliminary drying, and the preliminary drying temperature is 80～110 ℃, and the preliminary drying time is 3～5min;
G will insert baking oven through the preliminary drying fiber that f obtains and bake, and baking temperature is 160～190 ℃, and the time of baking is 1～2min;
H will wash through the fiber that bakes that g obtains, washing temperature is 70～80 ℃, the washing time is 1～2min, obtaining cellulosic content after oiling then, drying is 85%～91%, the content of finishing agent is 6%～10%, and the content of catalyst is 3%～5% the non-ironing cellulose fibre of a kind of high elasticity.
Described cellulose can be wherein a kind of of cotton pulp cellulose or wood pulp cellulose or bamboo pulp fiber element.
Described finishing agent can be 1,2,3, and 4-encircles penta tetracid or citric acid or 1,2,3, wherein a kind of of 4-BTCA.
Described catalyst can be wherein a kind of of sodium hypophosphite or sodium phosphite or sodium nitrate.
Described ionic liquid can be wherein a kind of of 1-allyl-3-methylimidazole acetate or 1-butyl-3-methylimidazole villaumite or 1-allyl-3-methylimidazole villaumite.
Described inorganic acid can be wherein a kind of of sulfuric acid or phosphoric acid or hydrochloric acid.
Adopt above technical scheme, its useful technique effect is:
1 adopts ionic liquid as cellulosic solvent, has both guaranteed that finishing agent and catalyst were uniformly dispersed at fibrous inside, has avoided finishing agent and catalyst and dicyandiamide solution to react again and loses efficacy.
Carrying out low temperature prebake behind 2 fibre formings earlier handles, can prevent finishing agent and catalyst generation migration, treat that finishing agent and catalyst are uniformly dispersed and anchor at and carry out high temperature again behind the fibrous inside and bake that this moment, finishing agent and cellulose reacted, and helped forming uniform cross-linking system.
The cross-linking system that 3 finishing agents and fibrin reaction form has strengthened the active force between fiber molecule, makes fiber have elasticity preferably.After the external force that fiber is subjected to was eliminated, fiber can return to original state under the effect of cross-linking system, thereby reaches crease-resistant non-ironing effect.
4 fibers are washed processing again through after baking processing, can remove finishing agent and catalyst that fiber surface does not react, improve the feel of fiber.
5 adopt the cellulose fibre of method preparation of the present invention, has excellent mechanical property, natural sense of touch, comfortable flexibility and good wrinkle resistance, and can tolerate the washing and the postfinishing process of multiple harshness, can be widely used in satisfying the demand that consumer's commute is arranged clothes and lining in the products such as wash-and-wear of shirt, trousers, Western-style clothes.
6 adopt the textiles of fiber production of the present invention, because fiber self has high elasticity, when external force is eliminated, can reply deformation, just not have outstanding wrinkle resistance, can help lining and clothes processing enterprise to save the cost and the energy so textiles does not need to carry out noniron finish again.
The specific embodiment
The non-ironing cellulose fibre of a kind of high elasticity, the non-ironing cellulose fibre of high elasticity are to be formed through chemical reaction is crosslinked by cellulose, finishing agent, catalyst, and wherein the quality percentage composition of each component is respectively in the non-ironing cellulose fibre of high elasticity:
Cellulose 85%～91%,
Finishing agent 6%～10%,
Catalyst 3%～5%.
Described cellulose can be wherein a kind of of cotton pulp cellulose or wood pulp cellulose or bamboo pulp fiber element, described finishing agent can be 1,2,3,4-encircles penta tetracid or citric acid or 1,2,3, wherein a kind of of 4-BTCA, described catalyst can be wherein a kind of of sodium hypophosphite or sodium phosphite or sodium nitrate.
The preparation method of the non-ironing cellulose fibre of a kind of high elasticity, the preparation method comprises the steps:
A is standby at 60～100 ℃ of vacuum drying 2～5h with selected cellulose, and described cellulose can be wherein a kind of of cotton pulp cellulose or wood pulp cellulose or bamboo pulp fiber element;
B takes by weighing finishing agent according to 6.6%～11.6% of selected cellulose quality, take by weighing catalyst according to 3.3%～5.8% of selected cellulose quality, 10～50 times according to selected cellulose quality take by weighing ionic liquid, then finishing agent, catalyst and the ionic liquid that takes by weighing mixed, be heated to 30 ℃～40 ℃, stir again and make its dissolving, obtain modified solution.Described finishing agent can be 1,2,3,4-encircles penta tetracid or citric acid or 1,2,3, wherein a kind of of 4-BTCA, described catalyst can be wherein a kind of of sodium hypophosphite or sodium phosphite or sodium nitrate, and described ionic liquid can be wherein a kind of of 1-allyl-3-methylimidazole acetate or 1-butyl-3-methylimidazole villaumite or 1-allyl-3-methylimidazole villaumite;
C will join through the cellulose that a handles in the modified solution that b obtains, and solution is warming up to 80 ℃, stir and make its dissolving, and vacuum deaerator 20h obtains the modification spinning solution then;
D will join in the distilled water according to the inorganic acid that 1%～3% of distilled water quality takes by weighing, and obtain acid solution, be heated to then 30～50 ℃ standby, described inorganic acid can be wherein a kind of of sulfuric acid or phosphoric acid or hydrochloric acid;
The modification spinning solution that e will obtain through c under pressure enters into the acid solution that obtains through the d modulation through spinning head, solidifies 30s, carries out three sections drawing-offs then, and every section drafting multiple is 1.5～2.0 times, obtains shaped fibers;
The shaped fibers that f obtains e is inserted baking oven and is carried out preliminary drying, and the preliminary drying temperature is 80～110 ℃, and the preliminary drying time is 3～5min;
G will insert baking oven through the preliminary drying fiber that f obtains and bake, and baking temperature is 160～190 ℃, and the time of baking is 1～2min;
H will wash through the fiber that bakes that g obtains, washing temperature is 70～80 ℃, the washing time is 1～2min, obtaining cellulosic content after oiling then, drying is 85%～91%, the content of finishing agent is 6%～10%, and the content of catalyst is 3%～5% the non-ironing cellulose fibre of a kind of high elasticity.
Below in conjunction with specific embodiment the preparation method of the non-ironing cellulose fibre of high elasticity of the present invention is done and to describe in further detail:
Embodiment 1
At 100 ℃ of vacuum drying 2h, it is standby to take by weighing 20g with the cotton pulp cellulose; With 2.32g 1,2,3,4-encircles penta tetracid and the 1.16g sodium hypophosphite joins in 1000g 1-allyl-3-methylimidazole acetate ionic liquid successively, and solution is heated to 30 ℃, stirs then and makes its dissolving, obtains modified solution; The dry cotton pulp cellulose that 20g is standby joins in the above-mentioned modified solution, and solution is heated to 80 ℃, stirs and makes its dissolving, and vacuum deaerator 20h obtains the modification spinning solution then; The preparation mass percent concentration is 1% sulfuric acid solution, be heated to 50 ℃ standby; The modification spinning solution enters into the above-mentioned acid solution that configures through spinning head under pressure, solidifies 30s, carries out three sections drawing-offs then, and every section drafting multiple is 1.5 times, obtains shaped fibers; Shaped fibers is inserted baking oven, 80 ℃ of preliminary drying 5min, 160 ℃ bake 2min then; With 70 ℃ of washings of the fiber after baking 2min, obtain the non-ironing cellulose fibre of a kind of high elasticity after oiling then, drying.
Embodiment 2
At 60 ℃ of vacuum drying 5h, it is standby to take by weighing 100g with wood pulp cellulose; 6.6g citric acid and 3.3g sodium phosphite are joined in 1000g 1-allyl-3-methylimidazole villaumite ionic liquid successively, and solution is heated to 40 ℃, stirs then and makes its dissolving, obtains modified solution; The dry wood pulp cellulose that 100g is standby joins in the above-mentioned modified solution, and solution is heated to 80 ℃, stirs and makes its dissolving, and vacuum deaerator 20h obtains the modification spinning solution then; The preparation mass percent concentration is 3% phosphoric acid solution, be heated to 30 ℃ standby; The modification spinning solution enters into the above-mentioned acid solution that configures through spinning head under pressure, solidifies 30s, carries out three sections drawing-offs then, and every section drafting multiple is 2.0 times, obtains shaped fibers; Shaped fibers is inserted 110 ℃ of preliminary drying 3min of baking oven, and 190 ℃ bake 1min then; With 80 ℃ of washings of the fiber after baking 1min, obtain the non-ironing cellulose fibre of a kind of high elasticity after oiling then, drying.
Embodiment 3
At 70 ℃ of vacuum drying 4.5h, it is standby to take by weighing 25g with the bamboo pulp fiber element; With 2.0g 1,2,3,4-BTCA and 1.0g sodium nitrate join in 1000g 1-butyl-3-methylimidazole villaumite ionic liquid successively, and solution is heated to 35 ℃, stir then and make its dissolving, obtain modified solution; The dry bamboo pulp fiber element that 25g is standby joins in the above-mentioned modified solution, and solution is heated to 80 ℃, stirs and makes its dissolving, and vacuum deaerator 20h obtains the modification spinning solution then; The preparation mass percent concentration is 2% hydrochloric acid solution, be heated to 40 ℃ standby; The modification spinning solution enters into the above-mentioned acid solution that configures through spinning head under pressure, solidifies 30s, carries out three sections drawing-offs then, and every section drafting multiple is 1.8 times, obtains shaped fibers; Shaped fibers is inserted 100 ℃ of preliminary drying 4min of baking oven, and 180 ℃ bake 1.5min then; With 75 ℃ of washings of the fiber after baking 1.5min, obtain the non-ironing cellulose fibre of a kind of high elasticity after oiling then, drying.
Embodiment 4
Cotton pulp cellulose and bamboo pulp fiber element respectively at 80 ℃ of vacuum drying 4h, are taken by weighing 20g cotton pulp fiber and 15g bamboo pulp fiber element is standby; With 3.5g 1,2,3,4-BTCA and 1.75g sodium nitrate join in 1000g 1-butyl-3-methylimidazole villaumite ionic liquid successively, and solution is heated to 40 ℃, stir then and make its dissolving, obtain modified solution; Standby 20g cotton pulp fiber and 15g bamboo pulp fiber element are joined in the above-mentioned modified solution, and solution is heated to 80 ℃, stirs and makes its dissolving, and vacuum deaerator 20h obtains the modification spinning solution then; The preparation mass percent concentration is 2% phosphoric acid solution, be heated to 40 ℃ standby; The modification spinning solution enters into the above-mentioned acid solution that configures through spinning head under pressure, solidifies 30s, carries out three sections drawing-offs then, and every section drafting multiple is 1.5 times, obtains shaped fibers; Shaped fibers is inserted 90 ℃ of preliminary drying 4.5min of baking oven, and 170 ℃ bake 1.5min then; With 70 ℃ of fibers after baking washing 2min, oil then, dry and obtain the non-ironing cellulose fibre of a kind of high elasticity.
Embodiment 5
Cotton pulp cellulose and wood pulp cellulose respectively at 90 ℃ of vacuum drying 3h, are taken by weighing 20g cotton pulp fiber and the 20g wood pulp cellulose is standby; With 3.2g 1,2,3,4-BTCA and 1.6g sodium nitrate join in 1000g 1-allyl-3-methylimidazole villaumite ionic liquid successively, and solution is heated to 30 ℃, stir then and make its dissolving, obtain modified solution; Standby 20g cotton pulp fiber and 20g wood pulp cellulose are joined in the above-mentioned modified solution, and solution is heated to 80 ℃, stirs and makes its dissolving, and vacuum deaerator 20h obtains the modification spinning solution then; The preparation mass percent concentration is 3% sulfuric acid solution, be heated to 50 ℃ standby; The modification spinning solution enters into the above-mentioned acid solution that configures through spinning head under pressure, solidifies 30s, carries out three sections drawing-offs then, and every section drafting multiple is 2.0 times, obtains shaped fibers; Shaped fibers is inserted 80 ℃ of preliminary drying 5min of baking oven, and 180 ℃ bake 1.5min then; With 80 ℃ of fibers after baking washing 1min, oil then, dry and obtain the non-ironing cellulose fibre of a kind of high elasticity.
The line density and the fracture strength of embodiment 1,2,3,4,5 gained fibers, and thus the destarch plain fabric that is made into of fiber and common viscose fiber (14.6tex * 14.6tex, 523/10cm * 72/10cm) creasy recovery angle sees Table 1.Line density with reference to " GB/T 14335-2008 chemical fibre staple line density test method " test fiber, fracture strength and fracture elongation with reference to " GB/T 14337-2008 chemical fibre staple fibre Erichsen test method " test fiber, with reference to the creasy recovery angle of " mensuration of GB/T 3819-1997 textile fabric folding line recovery is replied horn cupping " test fabric, gained the results are shown in Table 1.
The performance of table 1 fiber and fabric
As can be seen from Table 1, the fracture strength of the non-ironing cellulose fibre of high elasticity of the present invention is higher than common viscose fiber, and the creasy recovery angle of its fabric is much larger than the common viscose fiber fabric.This illustrates that the non-ironing cellulose fibre of high elasticity of the present invention has higher elasticity, can be used for producing in the products such as wash-and-wear of shirt, trousers, Western-style clothes, satisfies the demand that consumer's commute is arranged clothes and lining.
Claims (7)
1. non-ironing cellulose fibre of high elasticity is characterized in that: the non-ironing cellulose fibre of high elasticity is formed through chemical reaction is crosslinked by cellulose, finishing agent, catalyst, and wherein the quality percentage composition of each component is respectively in the non-ironing cellulose fibre of high elasticity,
Cellulose 85%～91%
Finishing agent 6%～10%
Catalyst 3%～5%.
2. the preparation method of the non-ironing cellulose fibre of high elasticity comprises it is characterized in that the production technology of ionic liquid method cellulose fibre: the preparation method comprises the steps,
A is standby at 60～100 ℃ of vacuum drying 2～5h with selected cellulose;
B takes by weighing finishing agent according to 6.6%～11.6% of selected cellulose quality, take by weighing catalyst according to 3.3%～5.8% of selected cellulose quality, 10～50 times according to selected cellulose quality take by weighing ionic liquid, then finishing agent, catalyst and the ionic liquid that takes by weighing mixed, be heated to 30 ℃～40 ℃, stir again and make its dissolving, obtain modified solution;
C joins the cellulose after a handles in the modified solution that b obtains, and modified solution is heated to 80 ℃, stirs and makes its dissolving, and vacuum deaerator 20h obtains the modification spinning solution then;
D will join in the distilled water according to the inorganic acid that 1%～3% of distilled water quality takes by weighing, and obtain acid solution, be heated to then 30～50 ℃ standby;
E is coagulating bath with the acid solution that obtains through the d modulation, adopts the production technology of ionic liquid method cellulose fibre, and the modification spinning solution that obtains through c is carried out spinning, obtains shaped fibers;
The shaped fibers that f obtains e is inserted baking oven and is carried out preliminary drying, and the preliminary drying temperature is 80～110 ℃, and the preliminary drying time is 3～5min;
G will insert baking oven through the preliminary drying fiber that f obtains and bake, and baking temperature is 160～190 ℃, and the time of baking is 1～2min;
H will wash through the fiber that bakes that g obtains, washing temperature is 70～80 ℃, and the washing time is 1～2min, and obtaining cellulosic content after the oven dry is 85%～91%, the content of finishing agent is 6%～10%, and the content of catalyst is 3%～5% the non-ironing cellulose fibre of a kind of high elasticity.
3. the preparation method of the non-ironing cellulose fibre of a kind of high elasticity as claimed in claim 2, described cellulose can be wherein a kind of of cotton pulp cellulose or wood pulp cellulose or bamboo pulp fiber element.
4. the preparation method of the non-ironing cellulose fibre of a kind of high elasticity as claimed in claim 2, described finishing agent can be 1,2,3,4-encircles penta tetracid or citric acid or 1,2,3, wherein a kind of of 4-BTCA.
5. the preparation method of the non-ironing cellulose fibre of a kind of high elasticity as claimed in claim 2, described catalyst can be wherein a kind of of sodium hypophosphite or sodium phosphite or sodium nitrate.
6. the preparation method of the non-ironing cellulose fibre of a kind of high elasticity according to claim 2, described ionic liquid can be wherein a kind of of 1-allyl-3-methylimidazole acetate or 1-butyl-3-methylimidazole villaumite or 1-allyl-3-methylimidazole villaumite.
7. the preparation method of the non-ironing cellulose fibre of a kind of high elasticity according to claim 2, described inorganic acid can be wherein a kind of of sulfuric acid or phosphoric acid or hydrochloric acid.
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| CN105113095A (en) * | 2015-09-15 | 2015-12-02 | 苏州顺唐化纤有限公司 | Non-ironing fiber knitted fabric |
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| CN112663161A (en) * | 2020-12-16 | 2021-04-16 | 唐山三友集团兴达化纤有限公司 | Native anti-wrinkle viscose spinning solution, fiber and preparation method |
| CN115110345A (en) * | 2022-07-14 | 2022-09-27 | 山东药品食品职业学院 | BTCA modified cellulose insulation paper and preparation method thereof |
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