CN103013390B - Preparation method of special nano-garamite based binder for compounding synthetic leather on automotive upholstery surface - Google Patents
Preparation method of special nano-garamite based binder for compounding synthetic leather on automotive upholstery surface Download PDFInfo
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- CN103013390B CN103013390B CN201210479203.4A CN201210479203A CN103013390B CN 103013390 B CN103013390 B CN 103013390B CN 201210479203 A CN201210479203 A CN 201210479203A CN 103013390 B CN103013390 B CN 103013390B
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Abstract
The invention discloses a preparation method of a special nano-garamite based binder for compounding synthetic leather on an automotive upholstery surface. The special nano-garamite based binder comprises the following raw materials by weight: 57 to 62 parts of EVA (Ethylene-Vinyl Acetate), 20 to 23 parts of terpene resin T-120, 10 to 12 parts of C5 petroleum resin, 5 to 7 parts of octylphenolic resin 203, 0.3 to 0.5 part of antioxidant 1010, 0.2 to 0.4 part of antioxidant 333, 0.5 to 0.8 part of vanay, 0.1 to 0.3 part of methylpentachlorostearate, 0.3 to 0.5 part of ferrocene, 3 to 5 parts of nano-garamite, 4 to 5 parts of modified nano-zeolite powder, 1 to 1.6 parts of silane coupling agent kh791, and 5 to 7 parts of polyethylene wax. The special nano-garamite based binder is high in temperature resistance, is very applicable to compounding of the synthetic leather on the automotive upholstery surface, realizes smooth and flat compounding effect, and is free from foaming after long-term use.
Description
Technical field
The invention belongs to binding agent field, relate in particular to a kind of preparation method of automotive upholstery surface recombination synthetic leather adhesive special of nano-bentonite.
Background technology
In the decorative material on automotive upholstery surface, have knitting synthetic leather or synthetic leather etc. at present, the moulding process of product is mould pressing process or low-pressure injection molding technology.When mold pressing, many employings first cut cloth, mold pressing bound edge again, cutting technologist uses maximum, the methods of everyone cutting are different, so the consistence of product cannot ensure, the production efficiency of mould pressing process is low, and fraction defective is high, use artificial quantity large, the whole Production Flow Chart complexity from work in-process to finished product.And the high cost of low-pressure injection molding technology, equipment investment is large, the extension of synthetic leather is required high, is badly in need of a kind of automotive upholstery binding agent of excellent performance, meets need of production.
Summary of the invention
The object of this invention is to provide a kind of preparation method of automotive upholstery surface recombination synthetic leather adhesive special of nano-bentonite.
The present invention adopts following technical scheme to achieve these goals:
A preparation method for the automotive upholstery surface recombination synthetic leather adhesive special of nano-bentonite, is characterized in that:
Comprise the following steps:
(1), by zeolite fragmentation, cross 100-200 mesh sieve, then the sodium hydroxide solution that is 10-15% with concentration immersion is after 8-10 hour, deionized water wash, to neutral, is dried, then the acetic acid solution that is 8-10% by concentration soaked after 8-10 hour, deionized water wash, to neutral, is dried;
Zeolite powder after oven dry is calcined 6-8 hour at 500-600 ℃, take out and be equivalent to the clorafin of its weight 1-2%, the a-cyanoacrylate of 2-3% cooling adding in rear, under 3800-4000 rev/min, stir after 30-40 minute, oven dry grinds to form nanometer powder, obtains modified nano zeolite powder for subsequent use;
(2), kneader is preheated to wall temperature 180-190 ℃; Then add by weight EVA, terpine resin T-120, C5 petroleum resin, octyl phenol urea formaldehyde 203, antioxidant 1010, oxidation inhibitor 333, Vanay, ferrocene, silane coupling agent kh791, mediate 40-60min; After add by weight surplus stock, at 160-180 ℃, mediate 30-50min, take out that cooling to obtain binding agent for subsequent use;
Described binding agent is made by the raw material of following weight parts: EVA 57-62, terpine resin T-120 20-23, C5 petroleum resin 10-12, octyl phenol urea formaldehyde 203 5-7, antioxidant 1010 0.3-0.5, oxidation inhibitor 333 0.2-0.4, Vanay 0.5-0.8, methyl pentachlorostearate 0.1-0.3, ferrocene 0.3-0.5, nano-bentonite 3-5, modified nano zeolite powder 4-5, silane coupling agent kh791 1-1.6, polyethylene wax 5-7.
The preparation method of the automotive upholstery surface recombination synthetic leather adhesive special of described a kind of nano-bentonite, is characterized in that: described EVA is Dupont 3861.
The preparation method of the automotive upholstery surface recombination synthetic leather adhesive special of described a kind of nano-bentonite, is characterized in that: utilize described binding agent in the method for automotive upholstery surface recombination synthetic leather to be:
(1), at the inside gadget surface spraying binding agent that needs composite synthesis leather;
(2), inside gadget is positioned in counterdie on boss fixing, and inside gadget counterdie boss outside is around provided with the annular cavity that holds die-cutting rule;
(3), the synthetic leather of rolling be pulled to boss place and cover on inside gadget;
(4), patrix presses down, the 20-25Mpa that exerts pressure, patrix die head lower surface and inside gadget surface shape are coincide, and synthetic leather are compressed and fit in inside gadget surface, shaping cycle 10-15 second, pressurize 10-15 second;
(5), adopt the manual unnecessary synthetic leather of inside gadget periphery that cuts; Or in composite synthesis leather process, patrix die head periphery is provided with the cutting knife of elastic telescopic, cutting knife sinks, and extend in described annular cavity the unnecessary synthetic leather of excision inside gadget periphery;
(6), patrix resilience, take out be compounded with synthetic leather inside gadget, manually unnecessary synthetic leather is carried out to bound edge, to obtain final product.
Beneficial effect of the present invention: the raw materials of binding agent of the present invention contains modified nano zeolite powder, temperature tolerance is good, is highly suitable for automotive upholstery surface recombination synthetic leather, and composite effect is smooth, and life-time service can not bubble.
Accompanying drawing explanation
Fig. 1 is the mould structure schematic diagram that utilizes the present invention to use at automotive upholstery surface recombination synthetic leather.
embodiment,
Referring to accompanying drawing, mould of the present invention includes patrix 6, counterdie 4, has and place fixing boss 1 for inside gadget 3 on counterdie 4, on inside gadget 5, is stained with synthetic leather, on counterdie 4, boss 1 periphery is surrounded with the annular cavity 2 that holds die-cutting rule 3; Upper die-cutting rule 3 is ring structure, and slip cap is contained in patrix 6 die head peripheries, by being arranged on the other driving mechanism on patrix 6, promotes patrix 6 cutting knifes and moves to realize cutting function.Above-mentioned upper die-cutting rule 3 structures also can not established, and adopt and manually cut limit.Mould of the present invention has left and right two boss, can carry out the composite synthesis leather of two different structure inside gadgets 5 simultaneously.
A preparation method for the automotive upholstery surface recombination synthetic leather adhesive special of nano-bentonite, comprises the following steps:
(1), by zeolite fragmentation, cross 100 mesh sieves, then the sodium hydroxide solution that is 15% with concentration soaks after 9 hours, deionized water wash, to neutral, is dried, then the acetic acid solution that is 8% with concentration soaks after 10 hours, deionized water wash is to neutrality, oven dry;
Zeolite powder after oven dry is calcined 6 hours at 600 ℃, take out and be equivalent to the clorafin of its weight 2%, 3% a-cyanoacrylate cooling adding in rear, under 3800 revs/min, stir after 40 minutes, dry and grind to form nanometer powder, obtain modified nano zeolite powder for subsequent use;
(2), kneader is preheated to 188 ℃ of wall temperatures; Then add by weight EVA, terpine resin T-120, C5 petroleum resin, octyl phenol urea formaldehyde 203, antioxidant 1010, oxidation inhibitor 333, Vanay, ferrocene, silane coupling agent kh791, mediate 55min; After add by weight surplus stock, at 165 ℃, mediate 50min, take out that cooling to obtain binding agent for subsequent use;
Described binding agent is made by the raw material of following weight parts (kg): Dupont 3861EVA 62, terpine resin T-120 23, C5 petroleum resin 12, octyl phenol urea formaldehyde 203 7, antioxidant 1010 0.5, oxidation inhibitor 333 0.4, Vanay 0.8, methyl pentachlorostearate 0.3, ferrocene 0.5, nano-bentonite 5, modified nano zeolite powder 5, silane coupling agent kh791 1.6, polyethylene wax 7.
Utilize described binding agent in the method for automotive upholstery surface recombination synthetic leather to be:
(1), at the inside gadget surface spraying binding agent that needs composite synthesis leather;
(2), inside gadget is positioned in counterdie on boss fixing, and inside gadget counterdie boss outside is around provided with the annular cavity that holds die-cutting rule;
(3), the synthetic leather of rolling be pulled to boss place and cover on inside gadget;
(4), patrix presses down, the 22Mpa that exerts pressure, patrix die head lower surface and inside gadget surface shape are coincide, and synthetic leather is compressed and fits in inside gadget surface, shaping cycle 12 seconds, pressurize 10 seconds;
(5), adopt the manual unnecessary synthetic leather of inside gadget periphery that cuts; Or in composite synthesis leather process, patrix die head periphery is provided with the cutting knife of elastic telescopic, cutting knife sinks, and extend in described annular cavity the unnecessary synthetic leather of excision inside gadget periphery;
(6), patrix resilience, take out be compounded with synthetic leather inside gadget, manually unnecessary synthetic leather is carried out to bound edge, to obtain final product.
Through actual verification, composite efficiency increases by 2 times, and single-piece reduces 3-4 manually, and economic benefit is obvious.
The apparent viscosity of the binding agent of the present embodiment is 4600MPa.s, stripping strength 150N/2.5cm, and initial bonding strength reaches steel ball No. 5,136 ℃ of softening temperatures, open hour 36s, within 24 hours, thermally-stabilised proterties is stable.
Claims (2)
1. a preparation method for the automotive upholstery surface recombination synthetic leather adhesive special of nano-bentonite, is characterized in that:
Comprise the following steps:
(1), by zeolite fragmentation, cross 100-200 mesh sieve, then the sodium hydroxide solution that is 10-15% with concentration immersion is after 8-10 hour, deionized water wash, to neutral, is dried, then the acetic acid solution that is 8-10% by concentration soaked after 8-10 hour, deionized water wash, to neutral, is dried;
Zeolite powder after oven dry is calcined 6-8 hour at 500-600 ℃, take out and be equivalent to the clorafin of its weight 1-2%, the α-cyanoacrylate of 2-3% cooling adding in rear, under 3800-4000 rev/min, stir after 30-40 minute, oven dry grinds to form nanometer powder, obtains modified nano zeolite powder for subsequent use;
(2), kneader is preheated to wall temperature 180-190 ℃; Then add by weight EVA, terpine resin T-120, C5 petroleum resin, octyl phenol urea formaldehyde 203, antioxidant 1010, oxidation inhibitor 333, Vanay, ferrocene, silane coupling agent kh791, mediate 40-60min; After add by weight surplus stock, at 160-180 ℃, mediate 30-50min, take out that cooling to obtain binding agent for subsequent use;
Described binding agent is made by the raw material of following weight parts: EVA 57-62, terpine resin T-120 20-23, C5 petroleum resin 10-12, octyl phenol urea formaldehyde 203 5-7, antioxidant 1010 0.3-0.5, oxidation inhibitor 333 0.2-0.4, Vanay 0.5-0.8, methyl pentachlorostearate 0.1-0.3, ferrocene 0.3-0.5, nano-bentonite 3-5, modified nano zeolite powder 4-5, silane coupling agent kh791 1-1.6, polyethylene wax 5-7.
2. the preparation method of the automotive upholstery surface recombination synthetic leather adhesive special of a kind of nano-bentonite according to claim 1, is characterized in that: described EVA is Dupont 3861.
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| CN201210479203.4A CN103013390B (en) | 2012-11-22 | 2012-11-22 | Preparation method of special nano-garamite based binder for compounding synthetic leather on automotive upholstery surface |
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Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103468156B (en) * | 2013-08-13 | 2015-07-22 | 蚌埠市鸿安精密机械有限公司 | Anti-aging eva hot melt adhesive |
| CN103571385A (en) * | 2013-10-24 | 2014-02-12 | 芜湖众力部件有限公司 | Cold-resistant hot melt adhesive |
| CN103571388A (en) * | 2013-10-24 | 2014-02-12 | 芜湖众力部件有限公司 | High-temperature-resistant hot melt adhesive |
| CN103725225A (en) * | 2013-10-24 | 2014-04-16 | 芜湖众力部件有限公司 | Flame-retardant hot-melt adhesive |
| CN103571373A (en) * | 2013-10-24 | 2014-02-12 | 芜湖众力部件有限公司 | Ageing-resistant hot melt adhesive |
| CN103571383A (en) * | 2013-10-24 | 2014-02-12 | 芜湖众力部件有限公司 | High-insulation hot melt adhesive |
| CN106010367A (en) * | 2016-06-07 | 2016-10-12 | 刘伟 | Board adhesive with great bonding strength |
| CN105936814A (en) * | 2016-06-07 | 2016-09-14 | 刘伟 | Anti-ultraviolet plate adhesive |
| CN109054663A (en) * | 2018-08-11 | 2018-12-21 | 界首市梦佳怡家居有限公司 | Adhesive is used in a kind of processing of palm mattress |
| CN110616059A (en) * | 2019-10-25 | 2019-12-27 | 福建小薇金匙科技孵化有限公司 | Method for preparing PU (polyurethane) binder resin for synthetic leather |
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| CN1006552B (en) * | 1985-12-01 | 1990-01-24 | 成都科技大学 | Hot melting adhesive for polyolefin |
| EP0776955B1 (en) * | 1995-12-01 | 2001-08-16 | H.B. Fuller Licensing & Financing, Inc. | Hot melt adhesive |
| US7892391B2 (en) * | 2004-01-29 | 2011-02-22 | E. I. Du Pont De Nemours And Company | Compositions of ethylene/vinyl acetate copolymers for heat-sealable easy opening packaging |
| CN1304512C (en) * | 2005-06-03 | 2007-03-14 | 江苏工业学院 | New type hot-melt adhesive and preparation method thereof |
| US8362125B2 (en) * | 2007-04-03 | 2013-01-29 | Henkel Ag & Co. Kgaa | Hot melt adhesive |
| WO2010028523A1 (en) * | 2008-09-11 | 2010-03-18 | Lanxess Deutschland Gmbh | Hotmelt adhesives |
| CN101928530B (en) * | 2010-09-02 | 2012-01-18 | 上海天洋热熔胶有限公司 | Edge sealing hot melt adhesive for furniture and preparation method thereof |
| CN102153967B (en) * | 2011-02-25 | 2013-06-19 | 成都市双流川双热缩制品有限公司 | Reinforced heat-shrinkable tube hot melt adhesive and preparation method thereof |
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Inventor after: Zhang Na Inventor before: Xi Zhiliang |
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Effective date of registration: 20170309 Address after: 065000 Langfang City, Hebei province Guangyang district group andAu District stars Star Sheng Garden 1 Building 3 unit 402 room Patentee after: Zhang Na Address before: 241009 Yijiang City, Wuhu province high tech Industrial Development Zone auto parts Road Patentee before: Wuhu Zhongli Parts Co., Ltd. |
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