CN104213430B - A kind of case and bag synthetic leather and production method thereof - Google Patents
A kind of case and bag synthetic leather and production method thereof Download PDFInfo
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- CN104213430B CN104213430B CN201410489823.5A CN201410489823A CN104213430B CN 104213430 B CN104213430 B CN 104213430B CN 201410489823 A CN201410489823 A CN 201410489823A CN 104213430 B CN104213430 B CN 104213430B
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Abstract
The invention discloses a kind of case and bag synthetic leather, comprise base cloth layer, PVC foaming layer and PU surface layer, its surface layer is made by the raw material of following weight parts: waterborne polyurethane resin 80-100, beta-schardinger dextrin-5-10, benzyl salicylate 1-2, Java Cananga Oil 1-2, benzoin 0.2-0.5, alkali lignin 1-3, xylitol 0.5-1.5, titanium dioxide 3-6, sepiolite powder 4-6, high-alumina fly 1-2, triterpenoid saponin 1-2, hydroxypropyl starch ether 2-4, laureth sodium sulfovinate 0.5-1, cellulose acetate 0.2-0.5, colorant 1-2, modified additive 1-3; Synthetic leather of the present invention has gentle fragrance, can fatigue-relieving, the mood of releiving, purifies air, and act on long-acting lasting; Have good mechanical performance, tear-proof is wear-resistant, is applicable to case and bag synthetic leather.
Description
Technical field
The present invention relates to synthetic leather processing technique field, be specifically related to a kind of case and bag synthetic leather and production method thereof.
Background technology
The features such as that polyurethane (PU) synthetic leather has is cold-resistant, feel and presentation quality is good, intensity is high, sucting wet air permeability is good, the phenomenon of and sticky hand soft without polyvinyl chloride (PVC) the hard summer in artificial leather winter, become the optimal selection that substitutes natural leather.
Summary of the invention
The object of this invention is to provide a kind of case and bag synthetic leather.
The present invention is achieved by the following technical solutions:
A kind of case and bag synthetic leather, base cloth layer, PVC foaming layer and PU surface layer, wherein:
PU surface layer is made by the raw material of following weight parts:
Waterborne polyurethane resin 80-100, beta-schardinger dextrin-5-10, benzyl salicylate 1-2, Java Cananga Oil 1-2, benzoin 0.2-0.5, alkali lignin 1-3, xylitol 0.5-1.5, titanium dioxide 3-6, sepiolite powder 4-6, high-alumina fly 1-2, triterpenoid saponin 1-2, hydroxypropyl starch ether 2-4, laureth sodium sulfovinate 0.5-1, cellulose acetate 0.2-0.5, colorant 1-2, modified additive 1-3;
PVC foaming layer is made by the raw material of following weight parts:
PVCSG-130-60, PVCSG-520-40, tributyl 2-acetylcitrate 50-80, palm oil 3-8, linseed oil 2-4, urea 0.2-1, sodium succinate 0.5-1, precipitated calcium carbonate 20-40, zeolite powder 10-20, tapioca 5-10, brucite fiber 1-2, NPE 0.2-0.5, Tween 80 0.1-0.3, cetostearyl alcohol 4-8, AC blowing agent 2-5, liquid barium zinc stabilizer 1-3;
Wherein modified additive is made up of the raw material of following weight portion:
Feather meal 10-20, kaolin 10-20, sweet mellow wine 1-2, citric acid 0.2-1, ammonium chloride 2-4, titanate coupling agent 0.5-1, oleic acid 2-6;
The preparation method of modified additive is:
Feather meal is mixed with kaolin, after 500-600 DEG C of calcining 1-2h, add suitable quantity of water and ammonium chloride, after stirring, filter, add propane diols and citric acid, then add suitable quantity of water grinding 15-30min, after dry, add titanate coupling agent, 100-150 DEG C, 200-400r/min stir 10-20min, add oleic acid, under similarity condition, stir 30-60min, after dry, be ground to 600-800 order, obtain final product;
A production method for synthetic leather for case and bag, comprises the following steps:
(1) take PU surface layer raw material, first benzyl salicylate, Java Cananga Oil and benzoin are dissolved in to appropriate ethanol, under 50-60 DEG C, 600-800r/min condition, be added dropwise to the 10-15% beta-schardinger dextrin-aqueous solution and stir 30-60min, add under hydroxypropyl starch ether, alkali lignin and xylitol similarity condition and stir 10-15min, after spraying is dry, obtain active powder; Active powder is mixed with all the other surface layer raw materials, and 1000-1500r/min is evenly coated in release liners after stirring 10-20min, after 100-150 DEG C of oven dry, forms surface layer;
(2) take PVC foaming layer raw material, first precipitated calcium carbonate, zeolite powder, tapioca are mixed with palm oil, linseed oil and 200-400r/min, 50-60 DEG C of stirring 30-60min, mix with all the other raw materials, 1000-1500r/min stirs 30-60min, obtains PVC foamed slurry again; The PVC foamed slurry preparing is evenly coated on polyurethane surface layer, at 160-200 DEG C, foaming forms PVC foaming layer again;
(3) in foaming layer, apply aqueous polyurethane binding paste, with the bonding rear 130-160 DEG C oven dry of base cloth layer;
(4) remove release liners, obtain synthetic leather finished product.
Advantage of the present invention is:
The present invention adds active material Java Cananga Oil, benzoin etc. in synthetic leather process, makes synthetic leather finished product have gentle fragrance, possesses effect of calmness, antidepression and useful for sleeping simultaneously; In conjunction with slow release method, reduce the loss of active ingredient in process, ensure the long-lasting and persistence of finished product synthetic leather fragrance and secondary utility simultaneously.
Detailed description of the invention
Non-limiting examples of the present invention is as follows:
Embodiment 1
A kind of case and bag synthetic leather, comprises base cloth layer, PU surface layer and PVC foaming layer, wherein:
PU surface layer is made by the raw material of following weight parts:
Waterborne polyurethane resin 90, beta-schardinger dextrin-8, benzyl salicylate 1.5, Java Cananga Oil 1.5, benzoin 0.4, alkali lignin 2, xylitol 1, titanium dioxide 4, sepiolite powder 5, high-alumina fly 1.5, triterpenoid saponin 1.5, hydroxypropyl starch ether 3, laureth sodium sulfovinate 0.6, cellulose acetate 0.4, colorant 1.5, modified additive 2;
PVC foaming layer is made by the raw material of following weight parts:
PVCSG-140, PVCSG-530, tributyl 2-acetylcitrate 65, palm oil 6, linseed oil 3, urea 0.5, sodium succinate 0.6, precipitated calcium carbonate 30, zeolite powder 15, tapioca 7, brucite fiber 1, NPE 0.4, Tween 80 0.2, cetostearyl alcohol 6, AC blowing agent 3, liquid barium zinc stabilizer 2;
Wherein modified additive is made up of the raw material of following weight portion:
Feather meal 15, kaolin 10, sweet mellow wine 2, citric acid 0.5, ammonium chloride 3, titanate coupling agent 0.8, oleic acid 4;
The preparation method of modified additive is:
Feather meal is mixed with kaolin, after 600 DEG C of calcining 1h, add suitable quantity of water and ammonium chloride, after stirring, filter, add propane diols and citric acid, then add suitable quantity of water grinding 15min, after dry, add titanate coupling agent, 120 DEG C, 200r/min stir 10min, add oleic acid, under similarity condition, stir 30min, after dry, be ground to 600 orders, obtain final product;
A production method for synthetic leather for case and bag, comprises the following steps:
(1) take PU surface layer raw material, first benzyl salicylate, Java Cananga Oil and benzoin are dissolved in to appropriate ethanol, under 60 DEG C, 800r/min condition, be added dropwise to the 10% beta-schardinger dextrin-aqueous solution and stir 30min, add under hydroxypropyl starch ether, alkali lignin and xylitol similarity condition and stir 15min, after spraying is dry, obtain active powder; Active powder is mixed with all the other surface layer raw materials, and 1000r/min is evenly coated in release liners after stirring 10min, after 120 DEG C of oven dry, forms surface layer;
(2) take PVC foaming layer raw material, first precipitated calcium carbonate, zeolite powder, tapioca are mixed with palm oil, linseed oil and 400r/min, 60 DEG C of stirring 50min, then mix with all the other raw materials, 1300r/min stirs 40min, obtains PVC foamed slurry; The PVC foamed slurry preparing is evenly coated on polyurethane surface layer, at 180 DEG C, foaming forms PVC foaming layer again;
(3) in foaming layer, apply aqueous polyurethane binding paste, with the bonding rear 150 DEG C of oven dry of base cloth layer;
(4) remove release liners, obtain synthetic leather finished product.
Through properties of product test, warp direction stretching load 262N, broadwise tensile load 203N, the requirement of realistic application.
Claims (2)
1. a case and bag synthetic leather, comprise base cloth layer, PVC foaming layer and PU surface layer, it is characterized in that: described PU surface layer is made by the raw material of following weight parts: waterborne polyurethane resin 80-100, beta-schardinger dextrin-5-10, benzyl salicylate 1-2, Java Cananga Oil 1-2, benzoin 0.2-0.5, alkali lignin 1-3, xylitol 0.5-1.5, titanium dioxide 3-6, sepiolite powder 4-6, high-alumina fly 1-2, triterpenoid saponin 1-2, hydroxypropyl starch ether 2-4, laureth sodium sulfovinate 0.5-1, cellulose acetate 0.2-0.5, colorant 1-2, modified additive 1-3;
Described PVC foaming layer is made by the raw material of following weight parts: PVCSG-130-60, PVCSG-520-40, tributyl 2-acetylcitrate 50-80, palm oil 3-8, linseed oil 2-4, urea 0.2-1, sodium succinate 0.5-1, precipitated calcium carbonate 20-40, zeolite powder 10-20, tapioca 5-10, brucite fiber 1-2, NPE 0.2-0.5, Tween 80 0.1-0.3, cetostearyl alcohol 4-8, AC blowing agent 2-5, liquid barium zinc stabilizer 1-3;
Described modified additive is made up of the raw material of following weight portion: feather meal 10-20, kaolin 10-20, sweet mellow wine 1-2, citric acid 0.2-1, ammonium chloride 2-4, titanate coupling agent 0.5-1, oleic acid 2-6;
The preparation method of described modified additive is: feather meal is mixed with kaolin, after 500-600 DEG C of calcining 1-2h, add suitable quantity of water and ammonium chloride, after stirring, filter, add sweet mellow wine and citric acid, then add suitable quantity of water grinding 15-30min, after dry, add titanate coupling agent, 100-150 DEG C, 200-400r/min stir 10-20min, add oleic acid, under similarity condition, stir 30-60min, after dry, be ground to 600-800 order, obtain final product.
2. the preparation method of synthetic leather for a kind of case and bag according to claim 1, is characterized in that, comprises the following steps:
(1) take PU surface layer raw material, first benzyl salicylate, Java Cananga Oil and benzoin are dissolved in to appropriate ethanol, under 50-60 DEG C, 600-800r/min condition, be added dropwise to the 10-15% beta-schardinger dextrin-aqueous solution and stir 30-60min, add under hydroxypropyl starch ether, alkali lignin and xylitol similarity condition and stir 10-15min, after spraying is dry, obtain active powder; Active powder is mixed with all the other surface layer raw materials, and 1000-1500r/min is evenly coated in release liners after stirring 10-20min, after 100-150 DEG C of oven dry, forms surface layer;
(2) take PVC foaming layer raw material, first precipitated calcium carbonate, zeolite powder, tapioca are mixed with palm oil, linseed oil and 200-400r/min, 50-60 DEG C of stirring 30-60min, mix with all the other raw materials, 1000-1500r/min stirs 30-60min, obtains PVC foamed slurry again; The PVC foamed slurry preparing is evenly coated on polyurethane surface layer, at 160-200 DEG C, foaming forms PVC foaming layer again;
(3) in foaming layer, apply aqueous polyurethane binding paste, with the bonding rear 130-160 DEG C oven dry of base cloth layer;
(4) remove release liners, obtain synthetic leather finished product.
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| CN105401458A (en) * | 2015-10-27 | 2016-03-16 | 芜湖市鸿坤汽车零部件有限公司 | Deodorized PVC synthetic leather and production method thereof |
| CN105297468A (en) * | 2015-10-27 | 2016-02-03 | 芜湖市鸿坤汽车零部件有限公司 | Delicate-fragrance type synthetic leather and production method thereof |
| CN105802468A (en) * | 2016-04-21 | 2016-07-27 | 安徽皖翎羽绒制品有限公司 | Water-borne polyurethane coating agent containing superfine down fiber-cellulose acetate composite microspheres |
| CN107794776A (en) * | 2017-12-06 | 2018-03-13 | 东莞市瑞年塑胶科技有限公司 | One kind has anaclasis discoloration PU leather and preparation method thereof |
| CN108410345A (en) * | 2018-03-08 | 2018-08-17 | 江西铭川科技实业有限公司 | A kind of water-based polyurethane synthetic leather foamed slurry |
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| US4575471A (en) * | 1983-11-28 | 1986-03-11 | Wong Winston W | Structure of dual-face artificial leather and method of manufacture thereof |
| CN102995450B (en) * | 2012-10-23 | 2014-05-14 | 合肥市安山涂层织物有限公司 | Polyvinyl chloride synthetic leather for luggage and manufacturing method thereof |
| CN102995445B (en) * | 2012-10-23 | 2014-12-10 | 合肥市安山涂层织物有限公司 | Diatomite modified polyvinyl chloride synthetic leather and manufacturing method thereof |
| CN103114459B (en) * | 2013-03-11 | 2015-03-18 | 广西鑫深科技有限公司 | Fragrant artificial leather and preparation method thereof |
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