CN1240896C - High color stability stock solution dyeing synthetic leather and process for making same - Google Patents
High color stability stock solution dyeing synthetic leather and process for making same Download PDFInfo
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- CN1240896C CN1240896C CN 200310116842 CN200310116842A CN1240896C CN 1240896 C CN1240896 C CN 1240896C CN 200310116842 CN200310116842 CN 200310116842 CN 200310116842 A CN200310116842 A CN 200310116842A CN 1240896 C CN1240896 C CN 1240896C
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- synthetic leather
- terephthalate
- color fastness
- solution dyeing
- polyamide
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Abstract
The present invention relates to solution dyeing synthetic leather with high color fastness, and a making method thereof. The method comprises the following steps: (1) 3 to 40 wt% of coloring agent is added to polymer power to obtain colored master granules; (2) the obtained colored master granules are added to spinning polymer chips for mixing in the amount of 0.2 to 15 wt%, and colored fibers are made through spinning; (3) the colored fibers are made into a base cloth; (4) macromolecular glue materials containing corresponding tinting pigment are applied to the base cloth, and synthetic leather bases is prepared; (5) post processing is carried out to the synthetic leather bases by a conventional method; and solution dyeing synthetic leather with high color fastness is prepared. The synthetic leather prepared by the method has the advantages of favorable color fastness, low cost and simple technology, is suitable for mass production, and can be widely used for clothes, furniture, footwear, suitcases, match balls, etc.
Description
Technical field
The present invention relates to synthetic leather and manufacture method thereof, particularly a kind of high color fastness solution dyeing synthetic leather and manufacture method thereof.
Background technology
In order to remedy the natural leather inadequate resource, cost an arm and a leg and need defectives such as anti-mildew change, synthetic leather is studied as its substitute and develops.Synthetic leather is used widely in fields such as shoemaking, case and bag, clothes, home decorations owing to good intensity, elasticity, solvent resistance, folding, cold resistance and breathable moisture permeability.Especially along with the development of chemical industry, chemical fibre and textile technology, the technology content and the added value of product of synthetic leather are more and more higher, and also constantly widen in the field of application.
Synthetic leather adopts the after stain color method to obtain the color that needs at present, the shortcoming of this method synthetic leather is that imbue is poor, dyeing time is long, dyeing flower, COLOR FASTNESS and dyeing poor reproducibility easily, two or more materials dyeing simultaneously make complex process, shade deviation is big, production efficiency is low, and the production cost height.
Summary of the invention
One of purpose of the present invention provide have imbue, the synthetic leather of COLOR FASTNESS height and dyeing uniformity.
Another object of the present invention provides a kind of low cost of manufacture, simple, the suitable production in enormous quantities of technology and has the manufacture method of the synthetic leather of imbue, COLOR FASTNESS height and dyeing uniformity.
The objective of the invention is to reach by following technical solution:
A kind of high color fastness solution dyeing synthetic leather is made up of colored fibre base cloth of making and the macromolecule sizing material that contains corresponding coloring pigment that is coated with on it.
Described colored fibre can be a kind of fiber of making in polyethylene terephthalate, polytrimethylene terephthalate, polybutylene terephthalate (PBT), polyamide, the polypropylene.
Described colored fibre also can be a kind of island of making or the non-island structure composite fibre in a kind of and polystyrene, polyethylene, polypropylene, ethylene glycol terephthalate, polyamide in polyethylene terephthalate, polytrimethylene terephthalate, polybutylene terephthalate (PBT), the polyamide.
A kind of manufacture method of high color fastness solution dyeing synthetic leather, its step is as follows: (1) adds the colouring agent of 3-40% (weight) in polymer powder, make color grain; (2) the gained color grain is joined in the spinning level polymeric material with the amount of 0.2～15% (weight) mix, colored fibre is made in spinning; (3) described colored fibre is made base cloth; (4) on described base cloth, apply the macromolecule sizing material that contains corresponding coloring pigment, make the synthetic leather bass; (5) carry out back processing according to a conventional method, make high color fastness solution dyeing synthetic leather.
Described colouring agent can be inorganic pigment, organic pigment or oil-soluble dyes.
Described macromolecule sizing material can be polyurethane, polyvinyl chloride, rubber, polyamide or polyethylene.
Described polymer can be polyethylene terephthalate, polytrimethylene terephthalate, polybutylene terephthalate (PBT), polyamide or polypropylene.
Described spinning polymer chips can be polyethylene terephthalate, polytrimethylene terephthalate, polybutylene terephthalate (PBT), polyamide, polypropylene, polyethylene or polystyrene and composition thereof.
Described spinning can be single screw spinning, also can be the twin-screw composite spinning.
Described colored fibre is that polyethylene terephthalate, polytrimethylene terephthalate are poly-, a kind of fiber of making in the polybutylene terephthalate (PBT), polyamide, polypropylene.
Described colored fibre can be a kind of island of making in a kind of and polystyrene, polyethylene, polypropylene, ethylene glycol terephthalate, polyamide in polyethylene terephthalate, polytrimethylene terephthalate, polybutylene terephthalate (PBT), the polyamide or the composite fibre of non-island structure.
Described base cloth can be woven fabric, knitted fabric, fleece or nonwoven fabric.
Described nonwoven fabric can pass through needle point method, hot melt, chemical adhesion method, spun-bond process or the preparation of water acupuncture manipulation.
The mode that applies of described macromolecule sizing material can be that mode is covered in single coating method, impregnation method or dip-coating.
The solution dyeing synthetic leather that COLOR FASTNESS of the present invention is high has following advantage:
Synthetic leather of the present invention is compared with existing synthetic leather, because the base cloth fiber adopts the solution dyeing method to obtain, has better imbue, COLOR FASTNESS and dyeing uniformity; Owing to adopt the solution dyeing method, compare with original after stain color method, reduced dyeing time, improved production efficiency, reduced the dyeing cost, have remarkable economic efficiency and social benefit, be fit to produce in enormous quantities.
The present invention will be further described below by the specific embodiment, but and do not mean that any limitation of the invention.
The specific embodiment
Embodiment 1
The manufacture method of the synthetic suede of a kind of high color fastness solution dyeing, its step is as follows:
A, the common oil soluble dyes that adding 150 restrains in 1000 gram Silons are made color grain;
B, 35 gram color grains are joined in 1000 gram spinning poly acid amides, the polystyrene section, after mixing, make the coloured composite fibre of polyamide and polystyrene island by single extruder type spinning machine;
C, the coloured composite fibre of above-mentioned polyamide and polystyrene island is made the nonwoven fabric base cloth by needle point method;
D, on above-mentioned nonwoven fabric base cloth, apply and dipping contains the polyurethane rubber cement of the coloring pigment of respective color, make the synthetic leather bass by conventional leather-making technology;
E, synthetic leather bass are processed behind conventional synthetic leather, must not dye and promptly can be made into the synthetic suede of the high solution dyeing of COLOR FASTNESS.
The synthetic suede that made COLOR FASTNESS is high, its fastness to light reach 6 grades, and fastness to rubbing reaches 4 grades, and the folding fastness reaches 4～5 grades, exceed 1～2 grade than every fastness of the prepared similar synthetic leather of common after stain color method.
The fastness to light of synthetic suede of gained and common synthetic leather and fastness to rubbing and folding fastness record (down together) with the conventionally test method.
Embodiment 2
A kind of manufacture method of high color fastness solution dyeing synthetic leather, its step is as follows:
A, adding 200 restrains in 1000 gram polybutylene terephthalate (PBT) powder general oil-soluble dyes and inorganic pigments are made coloured polybutylene terephthalate (PBT) master batch;
B, the above-mentioned coloured polybutylene terephthalate (PBT) master batch of 150 grams is joined in the 1000 gram spinning poly ethylene glycol terephthalates sections, after mixing, make the polyethylene terephthalate colored fibre by the twin-screw composite spinning;
C, the polyethylene terephthalate colored fibre is made the fleece base cloth with spun-bond process;
D, on the fleece base cloth, apply and dipping contains the polyvinyl chloride rubber cement of the coloring pigment of respective color, make the synthetic leather bass by conventional leather-making technology;
E, above-mentioned synthetic leather bass are processed behind conventional synthetic leather, the solution dyeing synthetic leather that must not dye and promptly can be made into high color fastness.
The solution dyeing synthetic leather that made COLOR FASTNESS is high, its fastness to light reach 6～7 grades, and fastness to rubbing reaches 4 grades, and the folding fastness reaches 4～5 grades, exceed 1～2 grade than every fastness of the similar synthetic leather of common after stain color method gained.
Embodiment 3
A kind of manufacture method of high color fastness solution dyeing synthetic leather, its step is as follows:
A, the general inorganic pigments that adding 40 restrains in 1000 gram polypropylene powders are made the color polypropylene master batch;
B, above-mentioned color polypropylene master batch 3 grams are joined in the 1000 gram spinning poly styrene sections, after mixing, make the polystyrene colored fibre by the twin-screw composite spinning;
C, the polystyrene colored fibre is made the fleece base cloth with spun-bond process;
D, dipping contains the polyamide rubber cement of coloring pigment of respective color on the fleece base cloth, makes the synthetic leather bass by conventional leather-making technology;
E, above-mentioned synthetic leather bass are processed behind conventional synthetic leather, the solution dyeing synthetic leather that must not dye and promptly can be made into high color fastness.
The solution dyeing synthetic leather that made COLOR FASTNESS is high, its fastness to light reach 6～7 grades, and fastness to rubbing reaches 4 grades, and the folding fastness reaches 4～5 grades, exceed 1～2 grade than every fastness of the similar synthetic leather of common after stain color method gained.
Embodiment 4
A kind of manufacture method of high color fastness solution dyeing synthetic leather, its step is as follows:
A, the general inorganic pigments that adding 240 restrains in 1000 gram polyethylene terephthalate powder are made coloured polyethylene terephthalate master batch;
B, above-mentioned coloured polyethylene terephthalate master batch 70 grams are joined in 1000 gram spinning poly propylene glycol ester terephthalates, the polystyrene section, after mixing, make the polystyrene colored fibre by the twin-screw composite spinning;
C, the polyethylene terephthalate colored fibre is made the nonwoven fabric base cloth with the chemical adhesion method;
D, dipping contains the polyethylene rubber cement of coloring pigment of respective color on the fleece base cloth, makes the synthetic leather bass by conventional leather-making technology;
E, above-mentioned synthetic leather bass are processed behind conventional synthetic leather, the solution dyeing synthetic leather that must not dye and promptly can be made into high color fastness.
The solution dyeing synthetic leather that made COLOR FASTNESS is high, its fastness to light reach 6～7 grades, and fastness to rubbing reaches 4 grades, and the folding fastness reaches 4～5 grades, exceed 1～2 grade than every fastness of the similar synthetic leather of common after stain color method gained.
Described inorganic pigment also can be organic pigment or oil-soluble dyes.
Described polyethylene rubber cement also can be polyurethane, polyvinyl chloride, rubber or polyamide rubber cement.
Described polyethylene terephthalate also can be polytrimethylene terephthalate, polybutylene terephthalate (PBT), polyamide or polypropylene.
Described polytrimethylene terephthalate, polystyrene section also can be a kind of of polyethylene terephthalate, polybutylene terephthalate (PBT), polyamide, polypropylene or polyethylene or its mixture of two kinds.
Described twin-screw composite spinning also can be single screw spinning.
Described polystyrene colored fibre also can be that polyethylene terephthalate, polytrimethylene terephthalate are poly-, a kind of in the polybutylene terephthalate (PBT), polyamide, polypropylene.
Described polystyrene colored fibre also can be a kind of island of making in a kind of and polystyrene, polyethylene, polypropylene, ethylene glycol terephthalate, polyamide in polyethylene terephthalate, polytrimethylene terephthalate, polybutylene terephthalate (PBT), the polyamide or the composite fibre of non-island structure.
Described nonwoven fabric base cloth also can be woven fabric, knitted fabric or fleece.
Described nonwoven fabric can prepare by acupuncture mode, hot melting way, chemical adhesion mode, spunbond mode or water thorn mode.
Described dipping also can be that mode is covered in single coating method or dip-coating.
Claims (10)
1, a kind of high color fastness solution dyeing synthetic leather is characterized in that: be made up of dope-dyed fiber base cloth of making and the macromolecule sizing material that contains corresponding coloring pigment that is coated with on it.
2, high color fastness solution dyeing synthetic leather according to claim 1 is characterized in that: described colored fibre is a kind of in polyethylene terephthalate, polytrimethylene terephthalate, polybutylene terephthalate (PBT), polyamide, the polypropylene.
3, high color fastness solution dyeing synthetic leather according to claim 1 is characterized in that: described colored fibre is a kind of island of making or the non-island structure composite fibre in a kind of and polystyrene, polyethylene, polypropylene, ethylene glycol terephthalate, polyamide in polyethylene terephthalate, polytrimethylene terephthalate, polybutylene terephthalate (PBT), the polyamide.
4, a kind of manufacture method of high color fastness solution dyeing synthetic leather is characterized in that: (1) adds percentage by weight in polymer powder be the colouring agent of 3-40%, makes color grain; (2) be that 0.2～15% amount joins in the spinning level polymeric material and mixes with the gained color grain with percentage by weight, colored fibre is made in spinning; (3) the gained colored fibre is made base cloth; (4) on described base cloth, apply the macromolecule sizing material that contains corresponding coloring pigment, make the synthetic leather bass; (5) carry out back processing according to a conventional method, make the high solution dyeing synthetic leather of COLOR FASTNESS.
5, the manufacture method of high color fastness solution dyeing synthetic leather according to claim 4 is characterized in that: colouring agent is inorganic pigment, organic pigment or oil-soluble dyes described in the described step (1).
6, the manufacture method of high color fastness solution dyeing synthetic leather according to claim 4 is characterized in that: the macromolecule sizing material is polyurethane, polyvinyl chloride, rubber, polyamide or polyethylene described in the described step (4).
7, the manufacture method of high color fastness solution dyeing synthetic leather according to claim 4 is characterized in that: base cloth is woven fabric, knitted fabric, fleece or nonwoven fabric described in the described step (4); Described polymer is polyethylene terephthalate, polytrimethylene terephthalate, polybutylene terephthalate (PBT), polyamide or polypropylene; Described spinning level polymeric material is polyethylene terephthalate, polytrimethylene terephthalate, polybutylene terephthalate (PBT), polyamide, polypropylene, polyethylene or polystyrene or its mixture; Described spinning is single screw spinning or twin-screw composite spinning.
8, the manufacture method of high color fastness solution dyeing synthetic leather according to claim 7 is characterized in that: described nonwoven fabric prepares by acupuncture mode, hot melting way, chemical adhesion mode, spunbond mode or water thorn mode.
The manufacture method of the solution dyeing synthetic leather that 9, COLOR FASTNESS according to claim 4 is high is characterized in that: macromolecule sizing material described in the described step (4) be applied for single cladding process, infusion process or impregnation cladding process.
10, the manufacture method of high color fastness solution dyeing synthetic leather according to claim 4 is characterized in that: colored fibre is a polyethylene terephthalate described in the described step (3), polytrimethylene terephthalate, polybutylene terephthalate (PBT), polyamide, a kind of or ethylene glycol terephthalate in the polypropylene, polytrimethylene terephthalate, polybutylene terephthalate (PBT), a kind of and polystyrene in the polyamide, polyethylene, polypropylene, ethylene glycol terephthalate, a kind of island of making in the polyamide or the composite fibre of non-island structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200310116842 CN1240896C (en) | 2003-11-28 | 2003-11-28 | High color stability stock solution dyeing synthetic leather and process for making same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200310116842 CN1240896C (en) | 2003-11-28 | 2003-11-28 | High color stability stock solution dyeing synthetic leather and process for making same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1544748A CN1544748A (en) | 2004-11-10 |
| CN1240896C true CN1240896C (en) | 2006-02-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200310116842 Expired - Fee Related CN1240896C (en) | 2003-11-28 | 2003-11-28 | High color stability stock solution dyeing synthetic leather and process for making same |
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| CN (1) | CN1240896C (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103194912B (en) * | 2013-04-19 | 2014-10-15 | 福建隆上超纤有限公司 | Manufacturing method of superfine fiber synthetic leather |
| CN103352298B (en) * | 2013-07-08 | 2014-12-24 | 浙江搏赢纺织有限公司 | High-density yarn dye jacquard shading fabric |
| CN104669764B (en) * | 2015-03-13 | 2016-09-28 | 桐乡市蒙泰增强复合材料有限公司 | Composite fiber fabric with colored fibre line and preparation method thereof |
| CN106633694A (en) * | 2016-12-13 | 2017-05-10 | 苏州宝力塑胶材料有限公司 | Color masterbatch for coloring raw solution before spinning polyester sea-island fibers |
| CN106633693A (en) * | 2016-12-13 | 2017-05-10 | 苏州宝力塑胶材料有限公司 | Color master batch for polylactic acid fiber pre-spinning dope dyeing |
| CN108867094A (en) * | 2018-08-08 | 2018-11-23 | 山东同大海岛新材料股份有限公司 | A kind of preparation method of ecotype super fiber leather |
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- 2003-11-28 CN CN 200310116842 patent/CN1240896C/en not_active Expired - Fee Related
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| CN1544748A (en) | 2004-11-10 |
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Granted publication date: 20060208 Termination date: 20121128 |