CN104233839A - Once-formed PU/ PVC synthetic leather and preparation method thereof - Google Patents
Once-formed PU/ PVC synthetic leather and preparation method thereof Download PDFInfo
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- CN104233839A CN104233839A CN201410541910.0A CN201410541910A CN104233839A CN 104233839 A CN104233839 A CN 104233839A CN 201410541910 A CN201410541910 A CN 201410541910A CN 104233839 A CN104233839 A CN 104233839A
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Abstract
The invention relates to the field of manufacturing of synthetic leather, and in particular relates to once-formed PU (Poly Urethane)/ PVC (Polyvinyl Chloride) synthetic leather and a preparation method thereof. The preparation method comprises the followings steps: 1, preparing materials; 2, coating the prepared PU surface slurry on a selected release paper to obtain a PU surface layer; 3, coating the prepared PVC foaming slurry to the polyurethane surface layer to obtain a PVC foaming layer; 4, coating a prepared PU adhering material to the PVC foaming layer, and adhering a selected base cloth to obtain a PU adhering layer and a base cloth layer; 5, removing the release paper to obtain the once-formed PU/ PVC synthetic leather. Compared with the existing preparation method of the PU/ PVC synthetic leather, the preparation method of the once-formed PU/ PVC synthetic leather has the advantages that the process is simple and the energy consumption is small; in addition, the prepared PU/ PVC synthetic leather brings the hand feel of once forming.
Description
Technical field
The present invention relates to synthetic leather and manufacture field, particularly one-shot forming PU/PVC synthetic leather and preparation method thereof.
Background technology
Secondary forming technique used by PU/PVC synthetic leather before, first produce PVC Base, remove composite polyurethane surface layer again, entirety is made up of foam polyvinyl chloride layer, polyurethane sticking layer, base cloth layer, polyurethane cover, polyurethane sticking layer, and concrete preparation method is as follows:
Step 1, material prepare: preparation foam polyvinyl chloride slurry; Preparation polyurethane sticking material; Selected base cloth and release liners;
Step 2, the foam polyvinyl chloride slurry prepared is coated in release liners, enters baking oven, after the foaming of oven temperature control 180-190 degree, form foam polyvinyl chloride layer;
Step 3, the polyurethane sticking material prepared is coated on foam polyvinyl chloride layer, form polyurethane sticking layer, more selected Ji Bu is affixed on polyurethane sticking layer, through oven for drying, oven temperature controls at 100-150 degree, forms polyurethane sticking layer and base cloth layer;
Step 4, removal release liners, obtain PVC Base;
Step 5, preparation polyurethane cover slurry; Preparation polyurethane sticking material;
Step 6, the polyurethane cover slurry prepared to be coated in selected release liners, after oven dry, to form polyurethane cover;
Step 7, the polyurethane sticking material prepared is coated on polyurethane cover, form polyurethane sticking layer, then PVC Base is affixed on polyurethane sticking layer, through oven for drying, oven temperature controls at 100-150 degree, forms polyurethane sticking layer and artificial leather semi-finished product layer;
Step 8, removal release liners, obtain artificial leather finished product.
Above-mentioned production PU/PVC synthetic leather has following defect: a, complex process, and production efficiency is low; B, energy consumption are high.
Summary of the invention
Technical problem to be solved by this invention is: the one-shot forming PU/PVC synthetic leather preparation method and the PU/PVC synthetic leather that provide a kind of Simplified flowsheet program.
In order to solve the problems of the technologies described above, the technical solution used in the present invention is: provide the one-shot forming PU/PVC preparation method of synthetic leather, comprise the steps:
Step 1, material prepare: preparation polyurethane cover slurry; Preparation foam polyvinyl chloride slurry; Preparation polyurethane sticking material; Selected base cloth and release liners;
The method of described " preparation polyurethane cover slurry " is: the raw material by following weight portion: polyurethane resin 100 parts, solvent 100-120 part, toner 5-10 part, levelling agent 1-2 part, stir 20-30 minute after mixing, control viscosity and be mixed with polyurethane cover slurry at 600-1000CPS;
Step 2, the polyurethane cover slurry prepared is coated in selected release liners, after temperature controls to dry at 90-150 DEG C, forms polyurethane cover;
Step 3, be coated on polyurethane cover by the foam polyvinyl chloride slurry prepared, temperature forms foam polyvinyl chloride layer after controlling to carry out oven dry foaming at 170-190 DEG C;
Step 4, the polyurethane sticking material prepared to be coated on foam polyvinyl chloride layer, then to bond selected Ji Bu, after temperature controls to dry at 100-150 DEG C, form polyurethane sticking layer and base cloth layer;
Step 5, removal release liners, obtain one-shot forming PU/PVC synthetic leather.
The one-shot forming PU/PVC synthetic leather that another technical scheme of the present invention is prepared for providing a kind of preparation method of above-mentioned one-shot forming PU/PVC synthetic leather.
Beneficial effect of the present invention is: the preparation method of one-shot forming PU/PVC synthetic leather of the present invention comparatively before the simple one-shot forming of preparation method's technique of PU/PVC synthetic leather, energy consumption is low, and obtained PU/PVC synthetic leather is soft, quality good.
Accompanying drawing explanation
Fig. 1 is preparation method's flow chart of the one-shot forming PU/PVC synthetic leather be depicted as in the specific embodiment of the invention.
Detailed description of the invention
By describing technology contents of the present invention in detail, realized object and effect, accompanying drawing is coordinated to be explained below in conjunction with embodiment.
The design of most critical of the present invention is: preparation method's technique of one-shot forming PU/PVC synthetic leather of the present invention is simple, and one-shot forming, production efficiency is high.
Embodiment 1
Please refer to Fig. 1, the preparation method of one-shot forming PU/PVC synthetic leather, comprises the steps:
Step 1, material prepare: preparation polyurethane cover slurry; Preparation foam polyvinyl chloride slurry; Preparation polyurethane sticking material; Selected base cloth and release liners.
The method of described " preparation polyurethane cover slurry " is: the raw material by following weight portion: polyurethane resin 100 parts, and solvent 100-120 part, toner 5-10 part, stirs 20-30 minute after the mixing of levelling agent 1-2 part, be mixed with polyurethane cover slurry.
Described solvent can select MEK or DMF.
Described toner is preferably inorganic toner.
Described levelling agent is: BYK-9565.
Described " preparation foam polyvinyl chloride slurry " is specially: by Corvic, plasticizer, stuffing, and stabilizing agent, foam powder, stirs 20-40 minute after the mixing of PVC color, controls viscosity at 2000-3000CPS, is mixed with foam polyvinyl chloride slurry.Described Corvic, plasticizer, stuffing, stabilizing agent, foam powder, PVC color is the raw material composition of following weight portion: PSM-31100 part; DOP 50-70 part; CaCO
350-70 part; KZn 2-3 part; AC foam powder 2-4 part; PVC color 5-7 part.
Described " preparation polyurethane sticking material " is specially: the raw material by following weight portion: viscoelastic polyurethane resin 100 parts, stirs 20-25 minute, control viscosity at 6000-9000CPS, be mixed with polyurethane sticking material after the mixing of organic solvent 10-30 part.Described organic solvent is DMF.
Step 2, the polyurethane cover slurry prepared to be coated in selected release liners, to enter baking oven, after oven temperature controls to dry at 90-150 DEG C, form polyurethane cover;
Step 3, be coated on polyurethane cover by the foam polyvinyl chloride slurry prepared, enter baking oven, oven temperature forms foam polyvinyl chloride layer after controlling to carry out oven dry foaming at 170-190 DEG C;
Step 4, the polyurethane sticking material prepared to be coated on foam polyvinyl chloride layer, then to bond selected Ji Bu, after temperature controls to dry at 100-150 DEG C, form polyurethane sticking layer and base cloth layer;
Step 5, removal release liners, obtain one-shot forming PU/PVC synthetic leather.
Embodiment 2
Of the present inventionly provide the one-shot forming PU/PVC preparation method of synthetic leather, comprise the steps:
Step 1, material prepare: preparation polyurethane cover slurry; Preparation foam polyvinyl chloride slurry; Preparation polyurethane sticking material; Selected base cloth and release liners;
The method of described " preparation polyurethane cover slurry " is: the raw material by following weight portion: polyurethane resin 100 parts, solvent 100 parts, and toner 7 parts, stirs 20-30 minute after levelling agent 1 part mixing, be mixed with polyurethane cover slurry; Described solvent can select MEK; Described toner is preferably inorganic toner; Described levelling agent is: BYK-9565.
Described " preparation foam polyvinyl chloride slurry " is specially: by Corvic, plasticizer, stuffing, and stabilizing agent, blowing agent stirs 20-40 minute, controls viscosity at 2000CPS, is mixed with foam polyvinyl chloride slurry.Described Corvic, plasticizer, stuffing, stabilizing agent, foam powder, PVC color is the raw material composition of following weight portion: P450100 part; DOP 70 parts; CaCO
360 parts; KZn 2 parts; AC foam powder 2 parts; PVC color 5 parts.
Described " preparation polyurethane sticking material " is specially: the raw material by following weight portion: viscoelastic polyurethane resin 100 parts, organic solvent 30 parts, stirs 25 minutes after mixing, controls viscosity at 8000CPS, is mixed with polyurethane sticking material.Described organic solvent is MEK.
Step 2, the polyurethane cover slurry prepared is coated in selected release liners, after temperature controls to dry at 90-150 DEG C, forms polyurethane cover;
Step 3, be coated on polyurethane cover by the foam polyvinyl chloride slurry prepared, temperature forms foam polyvinyl chloride layer after controlling to carry out oven dry foaming at 170-190 DEG C;
Step 4, the polyurethane sticking material prepared to be coated on foam polyvinyl chloride layer, then to bond selected Ji Bu, after temperature controls to dry at 100-150 DEG C, form polyurethane sticking layer and base cloth layer;
Step 5, removal release liners, obtain one-shot forming PU/PVC synthetic leather.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every equivalents utilizing description of the present invention and accompanying drawing content to do, or be directly or indirectly used in relevant technical field, be all in like manner included in scope of patent protection of the present invention.
Claims (5)
1. the preparation method of one-shot forming PU/PVC synthetic leather, is characterized in that, comprises the steps:
Step 1, material prepare: preparation polyurethane cover slurry; Preparation foam polyvinyl chloride slurry; Preparation polyurethane sticking material; Selected base cloth and release liners;
The method of described " preparation polyurethane cover slurry " is: the raw material by following weight portion: polyurethane resin 100 parts, solvent 100-120 part, toner 5-10 part, levelling agent 1-2 part, stir 20-30 minute after mixing, control viscosity and be mixed with polyurethane cover slurry at 600-1000CPS;
Step 2, the polyurethane cover slurry prepared is coated in selected release liners, after temperature controls to dry at 90-150 DEG C, forms polyurethane cover;
Step 3, be coated on polyurethane cover by the foam polyvinyl chloride slurry prepared, temperature forms foam polyvinyl chloride layer after controlling to carry out oven dry foaming at 170-190 DEG C;
Step 4, the polyurethane sticking material prepared to be coated on foam polyvinyl chloride layer, then to bond selected Ji Bu, after temperature controls to dry at 100-150 DEG C, form polyurethane sticking layer and base cloth layer;
Step 5, removal release liners, obtain one-shot forming PU/PVC synthetic leather.
2. the preparation method of one-shot forming PU/PVC synthetic leather according to claim 1, it is characterized in that, described " preparation foam polyvinyl chloride slurry " is specially: by Corvic, plasticizer, stuffing, stabilizing agent, blowing agent stirs 20-40 minute, control viscosity at 2000-3000CPS, be mixed with foam polyvinyl chloride slurry.
3. the preparation method of one-shot forming PU/PVC synthetic leather according to claim 1, it is characterized in that, described " preparation polyurethane sticking material " is specially: the raw material by following weight portion: viscoelastic polyurethane resin 100 parts, organic solvent 10-30 part, 20-25 minute is stirred after mixing, control viscosity at 6000-9000CPS, be mixed with polyurethane sticking material.
4. the preparation method of one-shot forming PU/PVC synthetic leather according to claim 1, is characterized in that, specifically comprise the steps:
Step 1, material prepare: preparation polyurethane cover slurry; Preparation foam polyvinyl chloride slurry; Preparation polyurethane sticking material; Selected base cloth and release liners;
The method of described " preparation polyurethane cover slurry " is: the raw material by following weight portion: polyurethane resin 100 parts, solvent 100-120 part, and toner 5-10 part, stirs 20-30 minute after the mixing of levelling agent 1-2 part, be mixed with polyurethane cover slurry;
Described " preparation foam polyvinyl chloride slurry " is specially: by Corvic, plasticizer, stuffing, stabilizing agent, and blowing agent stirs 20-40 minute, controls viscosity at 2000-3000CPS, is mixed with foam polyvinyl chloride slurry;
Described " preparation polyurethane sticking material " is specially: the raw material by following weight portion: viscoelastic polyurethane resin 100 parts, stirs 20-25 minute, control viscosity at 6000-9000CPS, be mixed with polyurethane sticking material after the mixing of organic solvent 10-30 part;
Step 2, the polyurethane cover slurry prepared is coated in selected release liners, after temperature controls to dry at 90-150 DEG C, forms polyurethane cover;
Step 3, be coated on polyurethane cover by the foam polyvinyl chloride slurry prepared, temperature forms foam polyvinyl chloride layer after controlling to carry out oven dry foaming at 170-190 DEG C;
Step 4, the polyurethane sticking material prepared to be coated on foam polyvinyl chloride layer, then to bond selected Ji Bu, after temperature controls to dry at 100-150 DEG C, form polyurethane sticking layer and base cloth layer;
Step 5, removal release liners, obtain one-shot forming PU/PVC synthetic leather.
5. according to one-shot forming PU/PVC synthetic leather prepared by the preparation method of any one of claim 1-4 one-shot forming PU/PVC synthetic leather.
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105113271A (en) * | 2015-09-22 | 2015-12-02 | 福建富润塑胶有限公司 | Preparation method of fireproof smoke-suppressing PVC synthetic leather |
| CN105297474A (en) * | 2015-10-27 | 2016-02-03 | 芜湖市鸿坤汽车零部件有限公司 | Insect-repellent 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 |
| CN106087440A (en) * | 2016-07-15 | 2016-11-09 | 浙江申腾涂层织物有限公司 | A kind of production method of aqueous synthesis of artificial leather |
| CN107904975A (en) * | 2017-12-11 | 2018-04-13 | 福建宝利特科技股份有限公司 | One kind inhales line or embossing artificial leather and preparation method thereof |
| CN108049192A (en) * | 2017-12-05 | 2018-05-18 | 福建宝利特科技股份有限公司 | The preparation method of gradient color PU/PVC composite artificial leathers |
| CN108103800A (en) * | 2017-12-08 | 2018-06-01 | 福建宝利特科技股份有限公司 | Polyurethane slurry, artificial leather and preparation method thereof |
| CN108824008A (en) * | 2018-07-10 | 2018-11-16 | 福建宝利特科技股份有限公司 | A kind of PU/PVC composite artificial leather of imitative superfine fibre and preparation method thereof |
| CN109056355A (en) * | 2018-10-26 | 2018-12-21 | 广州恒正科技发展有限公司 | One kind making shoes PU synthetic leather and preparation method thereof |
| CN111300719A (en) * | 2020-03-17 | 2020-06-19 | 晋江市诺特新材料科技有限公司 | Preparation method of waterproof and moisture permeable TPU hot melt adhesive film |
| CN114403540A (en) * | 2021-12-22 | 2022-04-29 | 浙江三益鞋业有限公司 | Anti-aging women's boots and preparation method thereof |
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| JP2002361815A (en) * | 2001-06-08 | 2002-12-18 | Dainippon Printing Co Ltd | Release paper and synthetic leather manufactured using the same |
| CN101805999A (en) * | 2009-02-17 | 2010-08-18 | 福建宝利特集团有限公司 | Method for fabricating imitated artificial leather by applying waterborne polyurethane |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105113271A (en) * | 2015-09-22 | 2015-12-02 | 福建富润塑胶有限公司 | Preparation method of fireproof smoke-suppressing PVC synthetic leather |
| CN105297474A (en) * | 2015-10-27 | 2016-02-03 | 芜湖市鸿坤汽车零部件有限公司 | Insect-repellent 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 |
| CN106087440A (en) * | 2016-07-15 | 2016-11-09 | 浙江申腾涂层织物有限公司 | A kind of production method of aqueous synthesis of artificial leather |
| CN108049192A (en) * | 2017-12-05 | 2018-05-18 | 福建宝利特科技股份有限公司 | The preparation method of gradient color PU/PVC composite artificial leathers |
| CN108103800A (en) * | 2017-12-08 | 2018-06-01 | 福建宝利特科技股份有限公司 | Polyurethane slurry, artificial leather and preparation method thereof |
| CN108103800B (en) * | 2017-12-08 | 2019-09-17 | 福建宝利特科技股份有限公司 | Polyurethane slurry, artificial leather and preparation method thereof |
| CN107904975A (en) * | 2017-12-11 | 2018-04-13 | 福建宝利特科技股份有限公司 | One kind inhales line or embossing artificial leather and preparation method thereof |
| CN108824008A (en) * | 2018-07-10 | 2018-11-16 | 福建宝利特科技股份有限公司 | A kind of PU/PVC composite artificial leather of imitative superfine fibre and preparation method thereof |
| CN108824008B (en) * | 2018-07-10 | 2020-04-24 | 福建宝利特科技股份有限公司 | Superfine fiber-imitated PU/PVC composite artificial leather and preparation method thereof |
| CN109056355A (en) * | 2018-10-26 | 2018-12-21 | 广州恒正科技发展有限公司 | One kind making shoes PU synthetic leather and preparation method thereof |
| CN111300719A (en) * | 2020-03-17 | 2020-06-19 | 晋江市诺特新材料科技有限公司 | Preparation method of waterproof and moisture permeable TPU hot melt adhesive film |
| CN114403540A (en) * | 2021-12-22 | 2022-04-29 | 浙江三益鞋业有限公司 | Anti-aging women's boots and preparation method thereof |
| CN114403540B (en) * | 2021-12-22 | 2023-11-17 | 浙江三益鞋业有限公司 | Anti-aging woman boots and preparation method thereof |
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