CN110042674A - Addition type three proofings island superfine fiber removes from office preparation method - Google Patents

Addition type three proofings island superfine fiber removes from office preparation method Download PDF

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Publication number
CN110042674A
CN110042674A CN201910268795.7A CN201910268795A CN110042674A CN 110042674 A CN110042674 A CN 110042674A CN 201910268795 A CN201910268795 A CN 201910268795A CN 110042674 A CN110042674 A CN 110042674A
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China
Prior art keywords
parts
mixed liquor
proofings
addition type
superfine fiber
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Pending
Application number
CN201910268795.7A
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Chinese (zh)
Inventor
石祥硌
周文贽
黄东梅
谢晓
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Tianshou Fujian Microfiber Technology Co Ltd
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Tianshou Fujian Microfiber Technology Co Ltd
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Priority to CN201910268795.7A priority Critical patent/CN110042674A/en
Publication of CN110042674A publication Critical patent/CN110042674A/en
Pending legal-status Critical Current

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    • 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
    • D06N3/0002—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate
    • D06N3/0004—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate using ultra-fine two-component fibres, e.g. island/sea, or ultra-fine one component fibres (< 1 denier)
    • 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
    • D06N3/0056—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the compounding ingredients of the macro-molecular coating
    • 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
    • D06N3/007—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by mechanical or physical treatments
    • D06N3/0077—Embossing; Pressing of the surface; Tumbling and crumbling; Cracking; Cooling; Heating, e.g. mirror finish
    • 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
    • D06N3/12—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins
    • D06N3/14—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins with polyurethanes
    • 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
    • D06N2209/00—Properties of the materials
    • D06N2209/14—Properties of the materials having chemical properties
    • D06N2209/142—Hydrophobic
    • 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
    • D06N2209/00—Properties of the materials
    • D06N2209/14—Properties of the materials having chemical properties
    • D06N2209/145—Oleophobic
    • 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
    • D06N2209/00—Properties of the materials
    • D06N2209/14—Properties of the materials having chemical properties
    • D06N2209/146—Soilproof, soil repellent
    • 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
    • D06N2211/00—Specially adapted uses
    • D06N2211/12—Decorative or sun protection articles
    • D06N2211/28—Artificial leather

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Dispersion Chemistry (AREA)
  • Synthetic Leather, Interior Materials Or Flexible Sheet Materials (AREA)

Abstract

The invention discloses addition type three proofings island superfine fibers to remove from office preparation method, the following steps are included: S1: PU resin is dissolved in DMF solvent, surfactant, mill base, three-proof finishing agent are sequentially added in mixed liquor simultaneously, and mixing, incorporation time 5-10min are stirred by blender；By the mixed liquor prepared in S1 by impregnating and being coated on non-woven fabrics, being then put into non-woven fabrics after dip-coating has compatibility with PU the resin not liquid of affinity with DMF solvent, extracts the solvent in mixed liquor.Raw material of the present invention obtain convenient, simple process, generate nanoscale protective layer on synthetic leather surface, form similar " lotus leaf effect " synthetic leather surface, the high-grade synthetic leather with Water-proof and oil-proof, anti-pollution function；Contaminated synthetic leather surface can also be made gently to wipe i.e. cleanable, pollution when reducing synthetic leather article cleans to water environment.

Description

Addition type three proofings island superfine fiber removes from office preparation method
Technical field
The present invention relates to fabric leather technical fields more particularly to addition type three proofings island superfine fiber to remove from office preparation method.
Background technique
It simulates the Nomenclature Composition and Structure of Complexes of natural leather and can be used as the plastic products of its substitute material.Usually with the nonwoven through impregnating Cloth is lamina reticularis, and microporous polyurethane layer is made as grain layer.Its positive and negative is all quite similar with leather, and has centainly Gas permeability, than common artificial leather closer to natural leather.It is widely used in production shoes, boots, luggage and ball etc..
In the use process of traditional superfine fiber chemical leather, surface is easy primary election pollution, dirty stain, needs to carry out often clear It washes, reduces practicability, meanwhile, traditional synthetic leather environmental protection using effect is general, for this purpose, we have proposed addition type three proofings seas Island ultrafine fiber removes from office preparation method.
Summary of the invention
The purpose of the present invention is to solve disadvantages existing in the prior art, and the addition type three proofings superfine islands-in-sea bicomponent proposed Fabric leather preparation method.
To achieve the goals above, present invention employs following technical solutions:
Addition type three proofings island superfine fiber removes from office preparation method, comprising the following steps:
S1: PU resin is dissolved in DMF solvent, while surfactant, mill base, three-prevention finishing are sequentially added in mixed liquor Agent is stirred mixing, incorporation time 5-10min by blender；
S2: by the mixed liquor prepared in S1 by impregnating and being coated on non-woven fabrics, then non-woven fabrics after dip-coating is put into and DMF Solvent has compatibility with PU the resin not liquid of affinity, extracts the solvent in mixed liquor；
S3: by the product after forming a film in S2 by washing, removing remaining DMF solvent, then carry out qualitative drying be made half at Product leather；
S4: by nano level modified aliphatic PU resin and crosslinking agent mixed preparing nanoscale inorganic agent, the print of 100 mesh is then used Dataller's skill, by the prepared uniform roller coating of nanoscale inorganic agent to semi-finished product PU synthetic leather, suitably slow down speed control 3~ 5m/min；
S5: synthetic leather is cured using 130~150 DEG C of oven temperature, superfiber leather is made.
Preferably, the components by weight percent of the mixed liquor includes 96-99 parts of PU resins, in 20-24 parts of DMF solvents, while 3-7 parts of surfactants, 4-8 parts of mill bases, 2-6 parts of three-proof finishing agents are sequentially added in mixed liquor.
Preferably, the components by weight percent of the nanoscale inorganic agent includes 100 parts of modified aliphatic PU resins, 25 parts of crosslinkings Agent.
Preferably, the components by weight percent of the mixed liquor includes 96 parts of PU resins, in 20 parts of DMF solvents, while in mixed liquor In sequentially add 3 parts of surfactants, 4 parts of mill bases, 2 parts of three-proof finishing agents.
Preferably, the components by weight percent of the mixed liquor includes 97 parts of PU resins, in 21 parts of DMF solvents, while in mixed liquor In sequentially add 4 parts of surfactants, 5 parts of mill bases, 3 parts of three-proof finishing agents.
Preferably, the components by weight percent of the mixed liquor includes 97 parts of PU resins, in 22 parts of DMF solvents, while in mixed liquor In sequentially add 5 parts of surfactants, 6 parts of mill bases, 4 parts of three-proof finishing agents.
Preferably, the components by weight percent of the mixed liquor includes 98 parts of PU resins, in 23 parts of DMF solvents, while in mixed liquor In sequentially add 6 parts of surfactants, 7 parts of mill bases, 5 parts of three-proof finishing agents.
Preferably, the components by weight percent of the mixed liquor includes 99 parts of PU resins, in 24 parts of DMF solvents, while in mixed liquor In sequentially add 7 parts of surfactants, 8 parts of mill bases, 6 parts of three-proof finishing agents.
The invention has the benefit that
Raw material obtain convenient, simple process, generate nanoscale protective layer on synthetic leather surface, form similar " lotus leaf effect " Synthetic leather surface, the high-grade synthetic leather with Water-proof and oil-proof, anti-pollution function；
It is i.e. cleanable that the present invention can also make contaminated synthetic leather surface gently wipe, reduce synthetic leather article cleans when pair The pollution of water environment.
Specific embodiment
The technical scheme in the embodiments of the invention will be clearly and completely described below, it is clear that described implementation Example is only a part of the embodiment of the present invention, instead of all the embodiments.
Embodiment one
Addition type three proofings island superfine fiber removes from office preparation method, includes the following steps,
S1: PU resin is dissolved in DMF solvent, while surfactant, mill base, three-prevention finishing are sequentially added in mixed liquor Agent is stirred mixing, incorporation time 5-10min by blender；
S2: by the mixed liquor prepared in S1 by impregnating and being coated on non-woven fabrics, then non-woven fabrics after dip-coating is put into and DMF Solvent has compatibility with PU the resin not liquid of affinity, extracts the solvent in mixed liquor；
S3: by the product after forming a film in S2 by washing, removing remaining DMF solvent, then carry out qualitative drying be made half at Product leather；
S4: by nano level modified aliphatic PU resin and crosslinking agent mixed preparing nanoscale inorganic agent, the print of 100 mesh is then used Dataller's skill, by the prepared uniform roller coating of nanoscale inorganic agent to semi-finished product PU synthetic leather, suitably slow down speed control 3~ 5m/min；
S5: synthetic leather is cured using 130~150 DEG C of oven temperature, superfiber leather is made.
The components by weight percent of mixed liquor includes 96 parts of PU resins, in 20 parts of DMF solvents, while 3 are sequentially added in mixed liquor Part surfactant, 4 parts of mill bases, 2 parts of three-proof finishing agents, the components by weight percent of nanoscale inorganic agent include 100 parts of modified aliphatics PU resin, 25 parts of crosslinking agents.
Embodiment two
Addition type three proofings island superfine fiber removes from office preparation method, includes the following steps,
S1: PU resin is dissolved in DMF solvent, while surfactant, mill base, three-prevention finishing are sequentially added in mixed liquor Agent is stirred mixing, incorporation time 5-10min by blender；
S2: by the mixed liquor prepared in S1 by impregnating and being coated on non-woven fabrics, then non-woven fabrics after dip-coating is put into and DMF Solvent has compatibility with PU the resin not liquid of affinity, extracts the solvent in mixed liquor；
S3: by the product after forming a film in S2 by washing, removing remaining DMF solvent, then carry out qualitative drying be made half at Product leather；
S4: by nano level modified aliphatic PU resin and crosslinking agent mixed preparing nanoscale inorganic agent, the print of 100 mesh is then used Dataller's skill, by the prepared uniform roller coating of nanoscale inorganic agent to semi-finished product PU synthetic leather, suitably slow down speed control 3~ 5m/min；
S5: synthetic leather is cured using 130~150 DEG C of oven temperature, superfiber leather is made.
The components by weight percent of mixed liquor includes 97 parts of PU resins, in 21 parts of DMF solvents, while 4 are sequentially added in mixed liquor Part surfactant, 5 parts of mill bases, 3 parts of three-proof finishing agents, the components by weight percent of nanoscale inorganic agent include 100 parts of modified aliphatics PU resin, 25 parts of crosslinking agents.Embodiment three
Addition type three proofings island superfine fiber removes from office preparation method, includes the following steps,
S1: PU resin is dissolved in DMF solvent, while surfactant, mill base, three-prevention finishing are sequentially added in mixed liquor Agent is stirred mixing, incorporation time 5-10min by blender；
S2: by the mixed liquor prepared in S1 by impregnating and being coated on non-woven fabrics, then non-woven fabrics after dip-coating is put into and DMF Solvent has compatibility with PU the resin not liquid of affinity, extracts the solvent in mixed liquor；
S3: by the product after forming a film in S2 by washing, removing remaining DMF solvent, then carry out qualitative drying be made half at Product leather；
S4: by nano level modified aliphatic PU resin and crosslinking agent mixed preparing nanoscale inorganic agent, the print of 100 mesh is then used Dataller's skill, by the prepared uniform roller coating of nanoscale inorganic agent to semi-finished product PU synthetic leather, suitably slow down speed control 3~ 5m/min；
S5: synthetic leather is cured using 130~150 DEG C of oven temperature, superfiber leather is made.
The components by weight percent of mixed liquor includes 97 parts of PU resins, in 22 parts of DMF solvents, while 5 are sequentially added in mixed liquor Part surfactant, 6 parts of mill bases, 4 parts of three-proof finishing agents, the components by weight percent of nanoscale inorganic agent include 100 parts of modified aliphatics PU resin, 25 parts of crosslinking agents.
Example IV
Addition type three proofings island superfine fiber removes from office preparation method, includes the following steps,
S1: PU resin is dissolved in DMF solvent, while surfactant, mill base, three-prevention finishing are sequentially added in mixed liquor Agent is stirred mixing, incorporation time 5-10min by blender；
S2: by the mixed liquor prepared in S1 by impregnating and being coated on non-woven fabrics, then non-woven fabrics after dip-coating is put into and DMF Solvent has compatibility with PU the resin not liquid of affinity, extracts the solvent in mixed liquor；
S3: by the product after forming a film in S2 by washing, removing remaining DMF solvent, then carry out qualitative drying be made half at Product leather；
S4: by nano level modified aliphatic PU resin and crosslinking agent mixed preparing nanoscale inorganic agent, the print of 100 mesh is then used Dataller's skill, by the prepared uniform roller coating of nanoscale inorganic agent to semi-finished product PU synthetic leather, suitably slow down speed control 3~ 5m/min；
S5: synthetic leather is cured using 130~150 DEG C of oven temperature, superfiber leather is made.
The components by weight percent of mixed liquor includes 98 parts of PU resins, in 23 parts of DMF solvents, while 6 are sequentially added in mixed liquor Part surfactant, 7 parts of mill bases, 5 parts of three-proof finishing agents, the components by weight percent of nanoscale inorganic agent include 100 parts of modified aliphatics PU resin, 25 parts of crosslinking agents.
Embodiment five
Addition type three proofings island superfine fiber removes from office preparation method, includes the following steps,
S1: PU resin is dissolved in DMF solvent, while surfactant, mill base, three-prevention finishing are sequentially added in mixed liquor Agent is stirred mixing, incorporation time 5-10min by blender；
S2: by the mixed liquor prepared in S1 by impregnating and being coated on non-woven fabrics, then non-woven fabrics after dip-coating is put into and DMF Solvent has compatibility with PU the resin not liquid of affinity, extracts the solvent in mixed liquor；
S3: by the product after forming a film in S2 by washing, removing remaining DMF solvent, then carry out qualitative drying be made half at Product leather；
S4: by nano level modified aliphatic PU resin and crosslinking agent mixed preparing nanoscale inorganic agent, the print of 100 mesh is then used Dataller's skill, by the prepared uniform roller coating of nanoscale inorganic agent to semi-finished product PU synthetic leather, suitably slow down speed control 3~ 5m/min；
S5: synthetic leather is cured using 130~150 DEG C of oven temperature, superfiber leather is made.
The components by weight percent of mixed liquor includes 99 parts of PU resins, in 24 parts of DMF solvents, while 7 are sequentially added in mixed liquor Part surfactant, 8 parts of mill bases, 6 parts of three-proof finishing agents, the components by weight percent of nanoscale inorganic agent include 100 parts of modified aliphatics PU resin, 25 parts of crosslinking agents.
The superfiber leather prepared in above-mentioned five groups of embodiments of equivalent is taken, after tested:
Embodiment group number Easy cleaning degree It is grease proofing It is antifouling
Embodiment one It is not easy Generally Well
Embodiment two It is easy Generally Well
Embodiment three It is easy Preferably It is relatively good
Example IV Generally Preferably It is relatively good
Embodiment five Generally It is poor Well
It can be obtained by above table, embodiment three is best preparation method.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto, Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.

Claims (8)

1. addition type three proofings island superfine fiber removes from office preparation method, which comprises the following steps:
S1: PU resin is dissolved in DMF solvent, while surfactant, mill base, three-prevention finishing are sequentially added in mixed liquor Agent is stirred mixing, incorporation time 5-10min by blender；
S2: by the mixed liquor prepared in S1 by impregnating and being coated on non-woven fabrics, then non-woven fabrics after dip-coating is put into and DMF Solvent has compatibility with PU the resin not liquid of affinity, extracts the solvent in mixed liquor；
S3: by the product after forming a film in S2 by washing, removing remaining DMF solvent, then carry out qualitative drying be made half at Product leather；
S4: by nano level modified aliphatic PU resin and crosslinking agent mixed preparing nanoscale inorganic agent, the print of 100 mesh is then used Dataller's skill, by the prepared uniform roller coating of nanoscale inorganic agent to semi-finished product PU synthetic leather, suitably slow down speed control 3~ 5m/min；
S5: synthetic leather is cured using 130~150 DEG C of oven temperature, superfiber leather is made.
2. addition type three proofings island superfine fiber according to claim 1 removes from office preparation method, which is characterized in that the mixing The components by weight percent of liquid includes 96-99 parts of PU resins, in 20-24 parts of DMF solvents, while 3-7 parts of tables are sequentially added in mixed liquor Face activating agent, 4-8 part mill base, 2-6 parts of three-proof finishing agents.
3. addition type three proofings island superfine fiber according to claim 1 removes from office preparation method, which is characterized in that the nanometer The components by weight percent of grade inorganic agent includes 100 parts of modified aliphatic PU resins, 25 parts of crosslinking agents.
4. addition type three proofings island superfine fiber according to claim 2 removes from office preparation method, which is characterized in that the mixing The components by weight percent of liquid includes 96 parts of PU resins, in 20 parts of DMF solvents, at the same sequentially add in mixed liquor 3 parts of surfactants, 4 parts of mill bases, 2 parts of three-proof finishing agents.
5. addition type three proofings island superfine fiber according to claim 2 removes from office preparation method, which is characterized in that the mixing The components by weight percent of liquid includes 97 parts of PU resins, in 21 parts of DMF solvents, at the same sequentially add in mixed liquor 4 parts of surfactants, 5 parts of mill bases, 3 parts of three-proof finishing agents.
6. addition type three proofings island superfine fiber according to claim 2 removes from office preparation method, which is characterized in that the mixing The components by weight percent of liquid includes 97 parts of PU resins, in 22 parts of DMF solvents, at the same sequentially add in mixed liquor 5 parts of surfactants, 6 parts of mill bases, 4 parts of three-proof finishing agents.
7. addition type three proofings island superfine fiber according to claim 2 removes from office preparation method, which is characterized in that the mixing The components by weight percent of liquid includes 98 parts of PU resins, in 23 parts of DMF solvents, at the same sequentially add in mixed liquor 6 parts of surfactants, 7 parts of mill bases, 5 parts of three-proof finishing agents.
8. addition type three proofings island superfine fiber according to claim 2 removes from office preparation method, which is characterized in that the mixing The components by weight percent of liquid includes 99 parts of PU resins, in 24 parts of DMF solvents, at the same sequentially add in mixed liquor 7 parts of surfactants, 8 parts of mill bases, 6 parts of three-proof finishing agents.
CN201910268795.7A 2019-04-04 2019-04-04 Addition type three proofings island superfine fiber removes from office preparation method Pending CN110042674A (en)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5474810A (en) * 1994-06-29 1995-12-12 Hofa Trading Co., Ltd. Process for producing PU suede-type synthetic leather
CN101586311A (en) * 2009-05-07 2009-11-25 安安(中国)有限公司 Production process of environmental protection PU composite leather and formula thereof
CN104420331A (en) * 2013-08-20 2015-03-18 上海华峰超纤材料股份有限公司 Environmental-protective waterproof oilproof microfiber synthetic leather and preparation method thereof
CN104674562A (en) * 2015-03-03 2015-06-03 上海华峰超纤材料股份有限公司 Method for preparing sea-island ultrafine fiber PU (polyurethane) leather base cloth by using additive-type water proofing, oil repellent and antifouling finishing agent

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5474810A (en) * 1994-06-29 1995-12-12 Hofa Trading Co., Ltd. Process for producing PU suede-type synthetic leather
CN101586311A (en) * 2009-05-07 2009-11-25 安安(中国)有限公司 Production process of environmental protection PU composite leather and formula thereof
CN104420331A (en) * 2013-08-20 2015-03-18 上海华峰超纤材料股份有限公司 Environmental-protective waterproof oilproof microfiber synthetic leather and preparation method thereof
CN104674562A (en) * 2015-03-03 2015-06-03 上海华峰超纤材料股份有限公司 Method for preparing sea-island ultrafine fiber PU (polyurethane) leather base cloth by using additive-type water proofing, oil repellent and antifouling finishing agent

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