CN104141237B - Antipollution sofa artificial leather preparation method - Google Patents

Antipollution sofa artificial leather preparation method Download PDF

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Publication number
CN104141237B
CN104141237B CN201310173179.6A CN201310173179A CN104141237B CN 104141237 B CN104141237 B CN 104141237B CN 201310173179 A CN201310173179 A CN 201310173179A CN 104141237 B CN104141237 B CN 104141237B
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artificial leather
step
sofa artificial
dry
parts
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CN201310173179.6A
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Chinese (zh)
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CN104141237A (en
Inventor
吴月红
皇甫觉明
吴玉华
唐卫平
魏芬
张凤
陈利安
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昆山协孚人造皮有限公司
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Abstract

The invention discloses a kind of antipollution sofa artificial leather preparation method, 5~10 parts of dimethyl formamides, 2~10 parts of mill bases, 10~30 parts of wood powders and 1~5 part of surfactant stir evenly; Add 80~100 parts of wet polyurethane resins and 150~280 parts of dimethyl formamides to mix to obtain wet method material; After base fabric impregnation, through plating, drying, painting wet method material, through solidifying, foam, wash and the dry wet method bass that to obtain; 80~100 parts of polyurethane surface layer resins, 40~70 parts of organic solvents, 0.5~2 part of auxiliary agent and 5~8 parts of environmental protection toners mix to obtain dry material; 80~100 parts of viscoelastic polyurethane resins, 20~60 parts of organic solvents, 0.5~2 part of auxiliary agent and 5~8 parts of environmental protection toners mix to obtain binder; Dry material is coated in release liners and is dried, be coated with binder, paste wet method bass drying, coolingly separate and obtain semi-finished product with release liners; Surface treatment obtains finished product, and the present invention has effectively improved the oil-stain-preventing performance of sofa artificial leather.<!--1-->

Description

Antipollution sofa artificial leather preparation method

Technical field

The present invention relates to a kind of artificial leather preparation method, particularly a kind of antipollution sofa artificial leather making sideMethod.

Background technology

When greasy dirt is splashed on the sofa surface that is coated with common sofa artificial leather, greasy dirt can inwardly infiltrate, and causesSofa surface forms oil pollution vestige and is difficult to wiped clean, and some have corrosive greasy dirtBe stained with sofa surface, as do not cleaned out in time, can cause sofa surface aged deterioration, largeIn the large service life that shortens sofa, bring puzzlement to the use of sofa.

Summary of the invention

In order to overcome above-mentioned defect, the invention provides a kind of antipollution sofa artificial leather preparation method, this is anti-Pollute sofa artificial leather preparation method technique simple, the product surface of producing can be avoided greasy dirt infiltration,Be convenient to wipe fast greasy dirt, protection sofa is not damaged.

The present invention for the technical scheme that solves its technical problem and adopt is: a kind of antipollution sofa artificial leatherPreparation method, concrete steps are as follows:

Step 1: wet-mixing batching:

A. by 5~10kg dimethyl formamide, 2~10kg mill base, 10~30kg wood powder and 1~5kgSurfactant high-speed stirred 60~90 minutes, then filters stand-by;

B. by 80~100kg wet polyurethane resin and 150~280kg dimethyl formamide mix and blend 20~30 minute, then leave standstill 20-45 minute, then that mixture in this mixture and step a is mixedAfter closing, in the reactor of negative pressure vacuum-pumping, stirring, also vacuumizing and defoaming filtration is static, disappearsSteep stand-byly, wherein the reactor temperature of negative pressure vacuum-pumping is controlled at 20 DEG C-40 DEG C;

Step 2: wet method bass is produced:

First choose suitable sofa artificial leather base fabric, then the diformazan at 12-25% by the sofa artificial leather base fabric of choosingImpregnation in the middle of the base formamide aqueous solution, then plate, dry through the blanching roller of 60-120 DEG CAfter be coated with and scrape the mixture obtaining in step 1 again, then enter the dimethyl formamide water of 15-30%In the middle of solution, solidify, more obtain wet method sofa through foaming, multiple tracks washing and drying processLeather bass;

Step 3: dry mixed batching:

C, by 80~100kg polyurethane surface layer resin, 40~70kg organic solvent, 0.5~2kg auxiliary agentMix also high-speed stirred with 5~8kg environmental protection toner and evenly make the dry method fabric with environment-friendly function, filtration sealing is stand-by;

D, by 80~100kg viscoelastic polyurethane resin, 20~60kg organic solvent, 0.5~2kg auxiliary agentMix with 5~8kg environmental protection toner and high-speed stirred even, make that to have the dry method of environment-friendly function stickyClose material, filtration sealing is stand-by;

Step 4: select release paper flower type;

Step 5: dry method veneer:

The dry method fabric preparing in step c is evenly coated in the release paper flower type of choosing and is dried, make environmental protection PU surface layer dry film, more evenly in coating step d, make on environmental protection PU surface layer dry filmDry method binder, arrive 40-80% when dry until solvent evaporates, by ready-made wet in step 2Method sofa artificial leather bass is smooth be attached to dryMethod binder surface, drying, separates and obtains semi-finished product after cooling with release liners;

Step 6: post processing:

On semi-finished product, coat the surface treatment material with oil-stain-preventing function, after drying, hadThe antipollution sofa artificial leather finished product of oil-stain-preventing function.

As a further improvement on the present invention, in described step b mixture in the reaction of negative pressure vacuum-pumpingIn still, mixing time is 2 hours.

As a further improvement on the present invention, the product after foaming, multiple tracks washing in described step 2Product are dried and obtain to obtain wet method sofa artificial leather bass under 100~160 DEG C of conditions.

As a further improvement on the present invention, the speed of a motor vehicle that in step 2, wet method bass is produced is controlled at 10-25m/min。

As a further improvement on the present invention, in described step c and steps d, mixture all stirs 15-20 and dividesClock.

As a further improvement on the present invention, in described step 5, dry method fabric is coated in release paper flower typeUpper baking temperature is 80-120 DEG C.

As a further improvement on the present invention, in step 5 wet method sofa artificial leather bass in the pressure of 4-6kg/ ㎡The smooth dry method binder surface that is attached under power effect.

As a further improvement on the present invention, in step 5 wet method sofa artificial leather bass to fit to dry method bondingBehind material surface, baking temperature is 120-145 DEG C.

As a further improvement on the present invention, the speed of production of dry method veneer is 8-18 m/min.

As a further improvement on the present invention, in step 6, above semi-finished product, coat after surface treatment materialUnder 120-150 DEG C of condition, dry.

The invention has the beneficial effects as follows: the present invention is by applying tool on dry method veneer surfaceThere is the surface treatment material of oil-stain-preventing function, make sofa artificial leather surface form oil-stain-preventing top layer, when havingThe spots such as beverage, greasy dirt, coffee adhere to sofa artificial leather surface, and spot cannot endosmosis, only floatingIn sofa artificial leather surface, only need wiping gently spot thoroughly can be wiped, effectively improve sofaThe oil-stain-preventing performance of leather, avoids oil pollution and corrosion and damage sofa artificial leather, causes the damaged report of sofaUseless, make sofa remain bright and clean complete surface, extend the service life of sofa.

Detailed description of the invention

1 one kinds of antipollution sofa artificial leather preparation methods of embodiment, concrete steps are as follows:

Step 1: wet-mixing batching:

A. by 5kg dimethyl formamide, 2kg mill base, 10kg wood powder and 1kg surfactant high-speed stirringMix 60 minutes, then filter stand-by;

B. by 80kg wet polyurethane resin and 150kg dimethyl formamide mix and blend 20 minutes, thenLeave standstill 20 minutes, after then this mixture being mixed with mixture in step a at negative pressure vacuum-pumpingReactor in stir 2 hours and vacuumizing and defoaming and filter staticly, froth breaking is stand-by, wherein negative pressureThe reactor temperature of vacuum-pumping is controlled at 20 DEG C;

Step 2: wet method bass is produced:

First choose suitable sofa artificial leather base fabric, then by the sofa artificial leather base fabric of choosing at 12% dimethyl methylImpregnation in the middle of amide aqueous solution, then be coated with and scrape again after the blanching roller of 60 DEG C plates, driesThe mixture obtaining in upper step 1, then carry out in the middle of entering 15% the dimethyl formamide aqueous solutionSolidify, then through foaming, multiple tracks washing and under 100 DEG C of conditions drying process, the speed of a motor vehicle is controlled at10m/min, obtains wet method sofa artificial leather bass;

Step 3: dry mixed batching:

C, by 80kg polyurethane surface layer resin, 40kg organic solvent, 0.5kg auxiliary agent and 5kg environmental protection tonerMix also high-speed stirred and within 15 minutes, make the dry method fabric with environment-friendly function, filtration sealing is stand-by;

D, by 80kg viscoelastic polyurethane resin, 20kg organic solvent, 0.5kg auxiliary agent and 5kg environmental protection tonerMixing high-speed stirred 15 minutes, make the dry method binder with environment-friendly function, filters sealingStand-by;

Step 4: select release paper flower type;

Step 5: dry method veneer:

The dry method fabric preparing in step c is evenly coated in the release paper flower type of choosing at 80 DEG C of barsUnder part, dry, make environmental protection PU surface layer dry film, more even on environmental protection PU surface layer dry filmThe dry method binder making in coating step d, in the time that solvent evaporates to 40% is dry, by step 2In ready-made wet method sofa artificial leather bass smooth dry method binder that is attached under the pressure-acting of 4kg/ ㎡Surface, through drying under 120 DEG C of conditions, separating with release liners after cooling, speed of production is 8 ms/minClock, obtains semi-finished product;

Step 6: post processing:

On semi-finished product, coat the surface treatment material with oil-stain-preventing function, under 120 DEG C of conditions, dryAfter obtain having the antipollution sofa artificial leather finished product of oil-stain-preventing function.

Embodiment 2: a kind of antipollution sofa artificial leather preparation method, is characterized in that: concrete steps are as follows:

Step 1: wet-mixing batching:

A. by 8kg dimethyl formamide, 6kg mill base, 20kg wood powder and 3kg surfactant high-speed stirringMix 75 minutes, then filter stand-by;

B. by 90kg wet polyurethane resin and 220kg dimethyl formamide mix and blend 25 minutes, thenLeave standstill 32 minutes, after then this mixture being mixed with mixture in step a at negative pressure vacuum-pumpingReactor in stir 2 hours and vacuumizing and defoaming and filter staticly, froth breaking is stand-by, wherein negative pressureThe reactor temperature of vacuum-pumping is controlled at 30 DEG C;

Step 2: wet method bass is produced:

First choose suitable sofa artificial leather base fabric, then by the sofa artificial leather base fabric of choosing at 20% dimethyl methylImpregnation in the middle of amide aqueous solution, then be coated with and scrape again after the blanching roller of 90 DEG C plates, driesThe mixture obtaining in upper step 1, then carry out in the middle of entering 22% the dimethyl formamide aqueous solutionSolidify, then through foaming, multiple tracks washing and under 130 DEG C of conditions drying process, the speed of a motor vehicle is controlled at18m/min, obtains wet method sofa artificial leather bass;

Step 3: dry mixed batching:

C, by 90kg polyurethane surface layer resin, 55kg organic solvent, 1kg auxiliary agent and 6.5kg environmental protection tonerMix also high-speed stirred and within 18 minutes, make the dry method fabric with environment-friendly function, filtration sealing is stand-by;

D, by 90kg viscoelastic polyurethane resin, 40kg organic solvent, 1kg auxiliary agent and 6.5kg environmental protection tonerMixing high-speed stirred 18 minutes, make the dry method binder with environment-friendly function, filters sealingStand-by;

Step 4: select release paper flower type;

Step 5: dry method veneer:

The dry method fabric preparing in step c is evenly coated in the release paper flower type of choosing at 100 DEG CUnder condition, dry, make environmental protection PU surface layer dry film, more equal on environmental protection PU surface layer dry filmThe dry method binder making in even coating step d,In the time that solvent evaporates to 60% is dry, by ready-made wet method sofa artificial leather bass in step 2 at 5kg/ ㎡Pressure-acting under the smooth dry method binder surface that is attached to, through under 130 DEG C of conditions dry, cooling afterSeparate with release liners, speed of production is 13 ms/min, obtains semi-finished product;

Step 6: post processing:

On semi-finished product, coat the surface treatment material with oil-stain-preventing function, under 135 DEG C of conditions, dryAfter obtain having the antipollution sofa artificial leather finished product of oil-stain-preventing function.

Embodiment 3: a kind of antipollution sofa artificial leather preparation method, is characterized in that: concrete steps are as follows:

Step 1: wet-mixing batching:

A. by 10kg dimethyl formamide, 10kg mill base, 30kg wood powder and 5kg surfactant at a high speedStir 90 minutes, then filter stand-by;

B. by 100kg wet polyurethane resin and 280kg dimethyl formamide mix and blend 30 minutes, soLatter standing 45 minutes, after then this mixture being mixed with mixture in step a, can take out very in negative pressureAlso vacuumizing and defoaming filtration is static in empty reactor, to stir 2 hours, and froth breaking is stand-by, wherein negativePress the reactor temperature of vacuum-pumping to be controlled at 40 DEG C;

Step 2: wet method bass is produced:

First choose suitable sofa artificial leather base fabric, then by the sofa artificial leather base fabric of choosing at 25% dimethyl methylImpregnation in the middle of amide aqueous solution, then be coated with and scrape again after the blanching roller of 120 DEG C plates, driesThe mixture obtaining in upper step 1, then carry out in the middle of entering 30% the dimethyl formamide aqueous solutionSolidify, then through foaming, multiple tracks washing and under 160 DEG C of conditions drying process, the speed of a motor vehicle is controlled at25m/min, obtains wet method sofa artificial leather bass;

Step 3: dry mixed batching:

C, by 100kg polyurethane surface layer resin, 70kg organic solvent, 2kg auxiliary agent and 8kg environmental protection tonerMix also high-speed stirred and within 20 minutes, make the dry method fabric with environment-friendly function, filtration sealing is stand-by;

D, by 100kg viscoelastic polyurethane resin, 60kg organic solvent, 2kg auxiliary agent and 8kg environmental protection tonerMixing high-speed stirred 20 minutes, make the dry method binder with environment-friendly function, filters sealingStand-by;

Step 4: select release paper flower type;

Step 5: dry method veneer:

The dry method fabric preparing in step c is evenly coated in the release paper flower type of choosing at 120 DEG CUnder condition, dry, make environmental protection PU surface layer dry film, more equal on environmental protection PU surface layer dry filmThe dry method binder making in even coating step d, in the time that solvent evaporates to 80% is dry, by stepIn two, smooth under the pressure-acting of 6kg/ ㎡ to be attached to dry method bonding for ready-made wet method sofa artificial leather bassMaterial surface, separates with release liners through drying under 145 DEG C of conditions, after cooling, and speed of production is 18 meters/ minute, obtain semi-finished product;

Step 6: post processing:

On semi-finished product, coat the surface treatment material with oil-stain-preventing function, under 150 DEG C of conditions, dryAfter obtain having the antipollution sofa artificial leather finished product of oil-stain-preventing function.

Claims (10)

1. an antipollution sofa artificial leather preparation method, is characterized in that: concrete steps are as follows:
Step 1: wet-mixing batching:
A. by 5~10kg dimethyl formamide, 2~10kg mill base, 10~30kg wood powder and 1~5kg surfactant high-speed stirred 60~90 minutes, then filter stand-by;
B. by 80~100kg wet polyurethane resin and 150~280kg dimethyl formamide mix and blend 20~30 minutes, then leave standstill 20-45 minute, then the also vacuumizing and defoaming that stirs in the reactor of negative pressure vacuum-pumping after this mixture being mixed with mixture in step a is filtered static, froth breaking is stand-by, and wherein the reactor temperature of negative pressure vacuum-pumping is controlled at 20 DEG C-40 DEG C;
Step 2: wet method bass is produced:
First choose suitable sofa artificial leather base fabric, then by the sofa artificial leather base fabric of choosing impregnation in the middle of the dimethyl formamide aqueous solution of 12-25%, after the blanching roller of 60-120 DEG C plates, dries, be coated with and scrape the mixture obtaining in upper step 1 more again, in the middle of entering again the dimethyl formamide aqueous solution of 15-30%, solidify, more obtain wet method sofa artificial leather bass through foaming, multiple tracks washing and drying process;
Step 3: dry mixed batching:
C, by 80~100kg polyurethane surface layer resin, 40~70kg organic solvent, 0.5~2kg auxiliary agent with 5~8kg environmental protection toner mixes and high-speed stirred evenly makes the dry method fabric with environment-friendly function, filter sealing stand-by;
D, by 80~100kg viscoelastic polyurethane resin, 20~60kg organic solvent, 0.5~2kg auxiliary agent with 5~8kg environmental protection toner mixes and high-speed stirred is even, make the dry method binder with environment-friendly function, filter sealing stand-by;
Step 4: select release paper flower type;
Step 5: dry method veneer:
The dry method fabric preparing in step c is evenly coated in the release paper flower type of choosing and is dried, make environmental protection PU surface layer dry film, the dry method binder making in even coating step d on environmental protection PU surface layer dry film again, arrive 40-80% when dry until solvent evaporates, by smooth ready-made wet method sofa artificial leather bass in the step 2 dry method binder surface that is attached to, drying, separate and obtain semi-finished product with release liners after cooling;
Step 6: post processing:
On semi-finished product, coat the surface treatment material with oil-stain-preventing function, after drying, obtain having the antipollution sofa artificial leather finished product of oil-stain-preventing function.
2. antipollution sofa artificial leather preparation method according to claim 1, is characterized in that: in described step b, mixture mixing time in the reactor of negative pressure vacuum-pumping is 2 hours.
3. antipollution sofa artificial leather preparation method according to claim 1, is characterized in that: the product in described step 2 after foaming, multiple tracks washing is dried and obtains to obtain wet method sofa artificial leather bass under 100~160 DEG C of conditions.
4. antipollution sofa artificial leather preparation method according to claim 1, is characterized in that: the speed of a motor vehicle that in step 2, wet method bass is produced is controlled at 10-25m/min.
5. antipollution sofa artificial leather preparation method according to claim 1, is characterized in that: in described step c and steps d, mixture all stirs 15-20 minute.
6. antipollution sofa artificial leather preparation method according to claim 1, is characterized in that: in described step 5, to be coated in baking temperature in release paper flower type be 80-120 DEG C to dry method fabric.
7. antipollution sofa artificial leather preparation method according to claim 1, is characterized in that: wet method sofa artificial leather bass smooth dry method binder surface that is attached under the pressure-acting of 4-6kg/ ㎡ in step 5.
8. antipollution sofa artificial leather preparation method according to claim 1, is characterized in that: in step 5, to fit to baking temperature behind dry method binder surface be 120-145 DEG C to wet method sofa artificial leather bass.
9. antipollution sofa artificial leather preparation method according to claim 1, is characterized in that: step 5: the speed of production of dry method veneer is 8-18 m/min.
10. antipollution sofa artificial leather preparation method according to claim 1, is characterized in that: after coating surface treatment material in step 6 above semi-finished product, under 120-150 DEG C of condition, dry.
CN201310173179.6A 2013-05-10 2013-05-10 Antipollution sofa artificial leather preparation method CN104141237B (en)

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CN104404779A (en) * 2014-11-26 2015-03-11 安徽宝博合成革有限公司 Mirror-surface leather with crystal transferred and attached
CN104404778A (en) * 2014-11-26 2015-03-11 安徽宝博合成革有限公司 Automobile decoration sofa leather
CN105735002A (en) * 2016-03-07 2016-07-06 四川大学 Graphene in-situ modified polyurethane and method for manufacturing synthetic leather with high physical properties
CN106381719A (en) * 2016-08-30 2017-02-08 安徽安利材料科技股份有限公司 Preparation method of negative-pressure gauffered sofa furniture polyurethane synthetic leather
CN106381723A (en) * 2016-08-30 2017-02-08 安徽安利材料科技股份有限公司 Making method of highly-functional polyurethane synthetic leather for football shoes
CN108914608A (en) * 2018-07-18 2018-11-30 华伦皮塑(苏州)有限公司 A kind of easy decontamination top grade sofa artificial leather of frosted and preparation method thereof
CN108978250A (en) * 2018-08-20 2018-12-11 福建华夏合成革有限公司 A kind of suede nap hydrolysis ultra-soft albumen leather and preparation method thereof
CN109267368A (en) * 2018-10-18 2019-01-25 清远市齐力合成革有限公司 A kind of production method of the two-sided leather of Environment-friendlywear-resistant wear-resistant scratch resistance

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JPS6354833B2 (en) * 1980-12-06 1988-10-31 Akiresu Kk
CN102352558B (en) * 2011-06-10 2013-06-05 上海汇宇精细化工有限公司 Stain-resistant leather treatment agent and preparation method
CN102851994B (en) * 2011-06-27 2014-12-17 昆山阿基里斯人造皮有限公司 Method for manufacturing easy-to-clean artificial leather
CN103031744B (en) * 2011-09-29 2014-12-10 昆山协兴合成革有限公司 Manufacture method of half microfiber sports shoe leather
CN103031740A (en) * 2011-09-29 2013-04-10 昆山协兴合成革有限公司 High-flame-retardant sofa leather production method
CN103031746B (en) * 2011-10-10 2015-01-07 昆山协兴合成革有限公司 Manufacturing method of sofa leather

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Address after: Suzhou City, Jiangsu province 215300 Yushan town Kunshan City Yuhe Road No. 111

Patentee after: Kunshan Fu Xin new material Limited by Share Ltd

Address before: Suzhou City, Jiangsu province 215300 Yushan town Kunshan City Yuhe Road No. 111

Patentee before: Kunshan Xiefu Artificial Leather Co.,Ltd.