CN103510383B - A kind of method improving Lyocell bamboo fiber anti-wrinkle shrink-proof performance - Google Patents

A kind of method improving Lyocell bamboo fiber anti-wrinkle shrink-proof performance Download PDF

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Publication number
CN103510383B
CN103510383B CN201310410692.2A CN201310410692A CN103510383B CN 103510383 B CN103510383 B CN 103510383B CN 201310410692 A CN201310410692 A CN 201310410692A CN 103510383 B CN103510383 B CN 103510383B
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bamboo fiber
dihydroxy
lyocell bamboo
proof performance
hydroxymethyl
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CN103510383A (en
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王黎明
黄熠
佴智渊
沈勇
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Shanghai University of Engineering Science
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Shanghai University of Engineering Science
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Abstract

The present invention relates to a kind of method improving Lyocell bamboo fiber anti-wrinkle shrink-proof performance, Lyocell bamboo fiber fabric is carried out in dressing liquid two leachings two and roll process, and then adopt drying and processing successively, bake process and aftertreatment technology, the constituent of dressing liquid comprises following component and weight portion content: finishing agent 40-60; Bleeding agent 2-3; Water 940-960.Compared with prior art, the present invention adopts fast finishing method, and cost is low, need not separately add catalyst, fast, the ultralow release formaldehyde of the speed that bakes, and greatly can improve Lyocell bamboo fiber anti-wrinkle shrink-proof performance.Meanwhile, add when arranging drapability (feel is smooth) and the gas permeability that softener can also improve fabric, and on the brute force of fabric without obvious impact.

Description

A kind of method improving Lyocell bamboo fiber anti-wrinkle shrink-proof performance
Technical field
The present invention relates to the Application Areas of finishing process in printing and dye-ing technology in textile material, especially relate to a kind of method improving Lyocell bamboo fiber anti-wrinkle shrink-proof performance.
Background technology
Bamboo pulp fiber has a series of good performance and receives liking of consumers in general.But the more bamboo pulp fiber of application is all the viscose replacing cotton pulp to produce with bamboo pulp substantially at present.Because viscose glue bamboo pulp fiber adopts traditional viscose glue production technology, while maintenance viscose premium properties, also there is the shortcoming the same with common viscose fiber, as wet strength is inadequate, lower water hardens, and fabric is yielding, has greater environmental impacts.Shanghai Lyocell Fibre Research & Development Co., Ltd.'s solvent spinning technique, successfully developing with bamboo pulp is the Lyocell bamboo pulp fiber of raw material, the Lyocell bamboo pulp fiber produced greatly is better than common viscose glue type bamboo pulp fiber in wearability, its monofilament strength is close to terylene, and its hygrometric state modulus is that common viscose glue bamboo pulp fiber is incomparable.Compared with the production technology of traditional fibre cellulose fiber, in the production process of Lyocell bamboo pulp fiber, do not relate to any chemical reaction, only use nontoxic NMMO as solvent, therefore environmentally safe.At present, increasingly extensive along with Lyocell bamboo fiber application, particularly ratio on bamboo fibre bed in goods of Lyocell bamboo fiber/cotton fiber, Lyocell bamboo fiber/viscose fiber blending product increases, and causes the concern of more and more consumer.
Although the good characteristic that Lyocell bamboo fiber bed product has is by people's common cognition.But existing traditional Lyocell bamboo fiber bed necessaries are normal and other fiber blend (as viscose, cotton fiber etc.) generally, ubiquity washing shrinkage is large, size is unstable, the easy shortcoming such as wrinkling, particularly large (being about about the 10%) severe overweight of washing shrinkage and cause the problem can not washed and can only dry-clean, this is the problem needing at present to solve.
Summary of the invention
Object of the present invention is exactly to overcome Lyocell bamboo fiber and blended product washing shrinkage is large, size is unstable, the easy shortcoming such as wrinkling, exploitation a kind of quick, easy, need not separately add catalyst, the speed that bakes is fast, release formaldehyde is low, greatly can improve the functional processing technology of Lyocell bamboo fiber anti-wrinkle shrink-proof performance, make Lyocell bamboo fiber after treatment and blended product thereof have good DIMENSIONAL STABILITY and Influencing Non-Ironing Finish.
Object of the present invention can be achieved through the following technical solutions:
Improve a method for Lyocell bamboo fiber anti-wrinkle shrink-proof performance, the method adopts following steps:
High Lyocell bamboo fiber fabric is carried out two leachings two in dressing liquid and rolls process, and then adopt drying and processing successively, bake process and aftertreatment technology;
Two described leachings two are rolled in process, and pick-up rate is 60%-90%,
The temperature of described drying and processing is 85 DEG C-100 DEG C, and the time is 5min-8min;
The described temperature baking process is 140 DEG C-150 DEG C, and the time is 3min-5min;
Described post processing comprises cold wash, soap boiling, hot water wash, cold wash, stoving process;
The constituent of described dressing liquid comprises following component and weight portion content: finishing agent 40-60; Bleeding agent 2-3; Water 940-960.
The constituent of described dressing liquid also comprises softener, and dressing liquid adopts following component and weight portion content: finishing agent 40-60; Softener 10-20, bleeding agent 2-3; Water 920-950.
Described finishing agent is that ultra-low formaldehyde high activity arranges resin system, and outward appearance is micro-yellow transparent liquid, and pH value is 2-3.
Described ultra-low formaldehyde high activity arranges resin system based on modification hydroxymethyl-2 dihydroxy-ethylene urea, includes the high activity reactant cross-linker of catalyst.
Described modification hydroxymethyl-2 dihydroxy-ethylene urea is etherificate hydroxymethyl-2 dihydroxy-ethylene urea, as preferred embodiment, described etherificate hydroxymethyl-2 dihydroxy-ethylene urea comprises methyl-etherified hydroxymethyl-2 dihydroxy-ethylene urea, ether hydroxymethyl-2 dihydroxy-ethylene urea.
Described catalyst is the compound of magnesium chloride or magnesium chloride and citric acid.
Described bleeding agent comprises non-ionic surface active agent JFC or anion surfactant chilli oil.
Described softener is silicol softener, silicone body fat alcohols softener or silicone based softener.
Compared with prior art, the present invention adopts fast finishing method, and cost is low, need not separately add catalyst, fast, the ultralow release formaldehyde of the speed that bakes, and greatly can improve Lyocell bamboo fiber anti-wrinkle shrink-proof performance.Anti-crease finishing is generally utilize finishing agent and fiber to occur to be cross-linked.When system is subject to External Force Acting, fixing due to covalent cross-linking or resin, only can reduce the deformation of cellulose macromolecule, more mainly stabilize original hydrogen bond structure, reduce the possibility forming new hydrogen bond, improve the recovery capability of deformation, thus reach crease-resistant object.
When the reactive crosslink finishing agent of high activity utilizing the present invention to include catalyst carries out wrinkle proofing to Lyocell bamboo fiber, finishing agent and Lyocell bamboo fiber there occurs crosslinked action, finishing agent there occurs cross-linking reaction between the macromolecular chain of fiber amorphous region, form network structure, limit the relative movement between the large molecule of Lyocell bamboo fiber and basic structural unit, improve the wrinkle resistance of fiber, the crystalline structure of fiber does not but change substantially simultaneously.Meanwhile, add when arranging drapability (feel is smooth) and the gas permeability that softener can also improve fabric, and on the brute force of fabric without obvious impact.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is described in detail.
Embodiment 1
Lyocell bamboo fiber fabric anti-wrinkle shrink-proof performance change under different finishing agent condition
Getting concentration is 50g/L resin finishing agent A, 2g/L penetrating agent JFC, fabric two is soaked two and rolls (pick-up rate 80%) finishing agent → oven dry (90 DEG C, 6min) → bake (150 DEG C, 3min) → post processing
Getting concentration is 60g/L2D resin (hydroxymethyl-2 dihydroxy-ethylene urea) finishing agent, adds 12g/L catalyst MgCl 2, 2g/L penetrating agent JFC, soaks two and rolls (pick-up rate 80%) finishing agent → oven dry (80 DEG C, 8min) → bake (150 DEG C, 4min) → post processing by fabric two
Measure Lyocell bamboo fiber fabric anti-wrinkle shrink-proof performance change.
The different finishing agent of table 1 is on the impact of Lyocell bamboo fiber fabric anti-wrinkle shrink-proof performance
As shown in Table 1, after adding resin finishing agent A provided by the invention, fabric elasticity significantly improves, and a little more than 2D resin finishing agent, but its washing shrinkage is lower than 2D resin finishing agent, and the burst size of formaldehyde will be starkly lower than 2D resin, and its data are in table 2.
Embodiment 2
Release formaldehyde situation after different finishing agent process Lyocell bamboo fiber fabric
Getting concentration is 50g/L resin finishing agent A, 2g/L penetrating agent JFC, fabric two is soaked two and rolls (pick-up rate 80%) finishing agent → oven dry (90 DEG C, 6min) → bake (150 DEG C, 3min) → post processing
Getting concentration is 60g/L2D resin (hydroxymethyl-2 dihydroxy-ethylene urea) finishing agent, adds 12g/L catalyst MgCl 2, 2g/L penetrating agent JFC, soaks two and rolls (pick-up rate 80%) finishing agent → oven dry (80 DEG C, 8min) → bake (150 DEG C, 4min-5min) → post processing by fabric two
Measure Lyocell bamboo fiber fabric anti-wrinkle shrink-proof performance change.
The different baking temperature of table 2 is on the impact of Lyocell bamboo fiber fabric anti-wrinkle shrink-proof and Form aldehyde release
Embodiment 3
Add Lyocell bamboo fiber fabric anti-wrinkle shrink-proof performance change after softener
Getting concentration is 50g/L resin finishing agent A, 15g/L silicone body fat alcohol softener CFC, penetrating agent JFC 2g/L, soak two and roll (pick-up rate 80%) finishing agent → oven dry (90 DEG C by fabric two, 6min) → bake (150 DEG C, 3min) → post processing
Getting concentration is 60g/L2D resin (hydroxymethyl-2 dihydroxy-ethylene urea) finishing agent, adds 12g/L catalyst MgCl 2, 15g/L silicone body fat alcohol softener CFC, 2g/L penetrating agent JFC, soaks two and rolls (pick-up rate 80%) finishing agent → oven dry (80 DEG C, 8min) → bake (150 DEG C, 4min) → post processing by fabric two
Measure Lyocell bamboo fiber fabric anti-wrinkle shrink-proof performance change.
Table 3 softener is on the impact of Lyocell bamboo fiber fabric anti-wrinkle shrink-proof performance
As shown in Table 3, can provide the elasticity of fabric after adding softener, namely the crease resistance of fabric is improved.
Embodiment 4
Different finishing agent is on the impact of Lyocell bamboo fiber fabric strength, drapability, gas permeability change
Getting concentration is 50g/L resin finishing agent A, 2g/L penetrating agent JFC, fabric two is soaked two and rolls (pick-up rate 80%) finishing agent → oven dry (90 DEG C, 6min) → bake (150 DEG C, 3min) → post processing
Getting concentration is 60g/L2D resin (hydroxymethyl-2 dihydroxy-ethylene urea) finishing agent, adds l2g/L catalyst MgCl 2, 2g/L penetrating agent JFC, soaks two and rolls (pick-up rate 80%) finishing agent → oven dry (80 DEG C, 8min) → bake (150 DEG C, 4min) → post processing by fabric two
Measure Lyocell bamboo fiber fabric strength, drapability, gas permeability change.
The different finishing agent of table 4 affects Lyocell bamboo fiber fabric strength, drapability and gas permeability
Note: suspended coefficient is less, drapability is better; Ventilative value is larger, and gas permeability is better.
As shown in Table 4, to add after resin finishing agent A on the drapability of fabric and ventilative value without large impact, and resin finishing agent A adds rear less than adding the impact of fabric fall and value of breathing freely of 2D resin finishing agent.Meanwhile, resin finishing agent A is also less than 2D resin finishing agent to the strong influence of fabric.
Embodiment 5
After adding softener, Lyocell bamboo fiber fabric strength, drapability and gas permeability change
Getting concentration is 50g/L resin finishing agent A, 15g/L silicone body fat alcohol softener CFC, 2g/L penetrating agent JFC, soaks two and rolls (pick-up rate 80%) finishing agent → oven dry (90 DEG C by fabric two, 6min) → bake (150 DEG C, 3min) → post processing
Getting concentration is 60g/L2D resin (hydroxymethyl-2 dihydroxy-ethylene urea) finishing agent, adds 12g/L catalyst MgCl 2, 15g/L silicone body fat alcohol softener CFC, 2g/L penetrating agent JFC, soaks two and rolls (pick-up rate 80%) finishing agent → oven dry (80 DEG C, 8min) → bake (150 DEG C, 4min) → post processing by fabric two
Measure Lyocell bamboo fiber fabric strength, drapability, gas permeability change.
Table 5 softener affects Lyocell bamboo fiber fabric strength, drapability and gas permeability
Note: suspended coefficient is less, drapability is better; Ventilative value is larger, and gas permeability is better.
As shown in Table 5, after adding softener, the drapability of fabric and gas permeability are improved, and reduce, and after adding resin finishing agent A, the above-mentioned performance of fabric are all better than 2D resin finishing agent on fabric strength impact.
As can be seen here, utilize the technology of the present invention to process fabric, anti-wrinkle shrink-proof performance is improved, and release formaldehyde amount declines, and its indices is better than 2D resin finishing agent, and on the physical and mechanical property of fabric also without large impact.

Claims (6)

1. improve a method for Lyocell bamboo fiber anti-wrinkle shrink-proof performance, the method adopts following steps:
Lyocell bamboo fiber fabric is carried out in dressing liquid two leachings two and rolls process, and then adopt drying and processing successively, bake process and aftertreatment technology;
Two described leachings two are rolled in process, and pick-up rate is 60%-90%,
The temperature of described drying and processing is 85 DEG C-100 DEG C, and the time is 5min-8min;
The described temperature baking process is 140 DEG C-150 DEG C, and the time is 3min-5min;
Described post processing comprises cold wash, soap boiling, hot water wash, cold wash, stoving process;
It is characterized in that, the constituent of described dressing liquid comprises following component and weight portion content: finishing agent 40-60; Bleeding agent 2-3; Water 940-960;
Described finishing agent is that ultra-low formaldehyde high activity arranges resin system, outward appearance is micro-yellow transparent liquid, pH value is 2-3, wherein, ultra-low formaldehyde high activity arranges resin system based on modification hydroxymethyl-2 dihydroxy-ethylene urea, include the high activity reactant cross-linker of catalyst, described modification hydroxymethyl-2 dihydroxy-ethylene urea is etherificate hydroxymethyl-2 dihydroxy-ethylene urea.
2. improve a method for Lyocell bamboo fiber anti-wrinkle shrink-proof performance, the method adopts following steps:
Lyocell bamboo fiber fabric is carried out in dressing liquid two leachings two and rolls process, and then adopt drying and processing successively, bake process and aftertreatment technology;
Two described leachings two are rolled in process, and pick-up rate is 60%-90%,
The temperature of described drying and processing is 85 DEG C-100 DEG C, and the time is 5min-8min;
The described temperature baking process is 140 DEG C-150 DEG C, and the time is 3min-5min;
Described post processing comprises cold wash, soap boiling, hot water wash, cold wash, stoving process;
It is characterized in that, described dressing liquid adopts following component and weight portion content: finishing agent 40-60; Softener 10-20, bleeding agent 2-3; Water 920-950;
Described finishing agent is that ultra-low formaldehyde high activity arranges resin system, outward appearance is micro-yellow transparent liquid, pH value is 2-3, wherein, ultra-low formaldehyde high activity arranges resin system based on modification hydroxymethyl-2 dihydroxy-ethylene urea, include the high activity reactant cross-linker of catalyst, described modification hydroxymethyl-2 dihydroxy-ethylene urea is etherificate hydroxymethyl-2 dihydroxy-ethylene urea.
3. a kind of method improving Lyocell bamboo fiber anti-wrinkle shrink-proof performance according to claim 1, it is characterized in that, described etherificate hydroxymethyl-2 dihydroxy-ethylene urea comprises methyl-etherified hydroxymethyl-2 dihydroxy-ethylene urea or ether hydroxymethyl-2 dihydroxy-ethylene urea.
4. a kind of method improving Lyocell bamboo fiber anti-wrinkle shrink-proof performance according to claim 1, is characterized in that, described catalyst is the compound of magnesium chloride or magnesium chloride and citric acid.
5. a kind of method improving Lyocell bamboo fiber anti-wrinkle shrink-proof performance according to claim 1 and 2, is characterized in that, described bleeding agent comprises non-ionic surface active agent JFC or anion surfactant chilli oil.
6. a kind of method improving Lyocell bamboo fiber anti-wrinkle shrink-proof performance according to claim 2, is characterized in that, described softener is silicol softener, silicone body fat alcohols softener or silicone based softener.
CN201310410692.2A 2013-09-10 2013-09-10 A kind of method improving Lyocell bamboo fiber anti-wrinkle shrink-proof performance Expired - Fee Related CN103510383B (en)

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CN108978214A (en) * 2018-06-26 2018-12-11 如皋市五山漂染有限责任公司 A kind of manufacture craft of the non-ironing stiffening lining cloth of environmental protection
CN109972391B (en) * 2019-03-12 2021-10-22 上海氟聚化学产品股份有限公司 Moisture-crosslinked organic silicon crease-resistant non-ironing finishing liquid and preparation method and application thereof

Citations (6)

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JPH08511834A (en) * 1993-06-24 1996-12-10 コートールズ ファイバース(ホールディングス) リミティド Fabric processing
CN1143103A (en) * 1995-08-11 1997-02-19 宁波黑碳衬研究所 Shrink-proof anti-crease finishing liquid for garment lining and making method
CN1333401A (en) * 2000-07-06 2002-01-30 上海康派司实业总公司 Antibiosis and crease-resistant fabric production method
CN1624234A (en) * 2004-10-22 2005-06-08 上海工程技术大学 Modified nanometer dxide multifunction finishing agent, preparation method and its use
CN101076623A (en) * 2004-10-20 2007-11-21 连津格股份公司 Cross-linking and dyeing cellulose fibres
CN101235595A (en) * 2008-02-26 2008-08-06 天津工业大学 Crease-resistant dressing liquid for cellulose fabric and its preparing method and use

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08511834A (en) * 1993-06-24 1996-12-10 コートールズ ファイバース(ホールディングス) リミティド Fabric processing
CN1143103A (en) * 1995-08-11 1997-02-19 宁波黑碳衬研究所 Shrink-proof anti-crease finishing liquid for garment lining and making method
CN1333401A (en) * 2000-07-06 2002-01-30 上海康派司实业总公司 Antibiosis and crease-resistant fabric production method
CN101076623A (en) * 2004-10-20 2007-11-21 连津格股份公司 Cross-linking and dyeing cellulose fibres
CN1624234A (en) * 2004-10-22 2005-06-08 上海工程技术大学 Modified nanometer dxide multifunction finishing agent, preparation method and its use
CN101235595A (en) * 2008-02-26 2008-08-06 天津工业大学 Crease-resistant dressing liquid for cellulose fabric and its preparing method and use

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