CN105729971A - Preparation method of foaming rubber metal composite sealing plate - Google Patents
Preparation method of foaming rubber metal composite sealing plate Download PDFInfo
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- CN105729971A CN105729971A CN201410732076.3A CN201410732076A CN105729971A CN 105729971 A CN105729971 A CN 105729971A CN 201410732076 A CN201410732076 A CN 201410732076A CN 105729971 A CN105729971 A CN 105729971A
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Abstract
The present invention provides a preparation method of a foaming rubber metal composite sealing plate, which is prepared from metal substrate, a foam rubber layer and an adhesive. A preparation method comprises pretreatment of a metal core board, preparation of a liquid rubber mixture, compounding of an adhesive and sulfuration moulding of a composite sealing plate The technical key points are as below: based on the characteristics high modulus, high strength, good compatibility and excellent rheological properties, a liquid crystal ionomer is added to a rubber to improve the processing properties of the rubber; while a variety of silane coupling linking agents are compounded to increase the adhesion between the rubber and metal. Process conditions are controlled to prepare the foaming rubber coating metal composite plate with good sealing performance, and excellent oil resistance. The rubber coating metal composite plate prepared by the invention has the advantages of high compression resilience ratio, excellent corrosion resistance, good oil resistance, high adhesion and good heat resistance, and can be widely used in the fields of aerospace, automotive, industrial sewing machines, and machinery equipment.
Description
Technical field
The preparation method that the present invention provides a kind of bipeltate metal composite sealing plate.Can be widely used in the fields such as aviation, automobile, industrial sewing machine, plant equipment.
Background technology
Bipeltate metal composite sealing plate not only combines the high intensity of metallic plate, the high resiliency of rubber, compressibility, has the characteristic of light weight, good sealing effect, oil resistivity excellence simultaneously, is widely used in field of sealing technology such as motor vehicles.But it is not good enough that bipeltate metal composite sealing plate prepared by traditional method still suffers from adhesive force, and compression resilience can meet requirement, anti-icing fluid soaks long-time easily peeling, the problem that abscess is uneven.
Summary of the invention
Goal of the invention: the preparation method that the invention provides a kind of bipeltate metal composite sealing plate, its objective is to solve the conventional drawback existing for mode.
Technical scheme: the present invention is achieved through the following technical solutions:
A kind of preparation method of bipeltate metal composite sealing plate, it is characterised in that: the method adopts metal base, foaming rubber layer and adhesive to be prepared from, and specifically comprises the following steps that
1), the pre-treatment of metal core board: the oxide on surface, oils and fats are removed in metal core board mechanical grinding successively thick for 0.1mm-0.5mm, pickling, alkali cleaning, ultrasound wave eccysis；
2), adhesive is composite: adopt cobalt boracylate nickel with silane resin acceptor kh-550, KH-560, DL-602 in 1:1:(1-3): the ratio of 1 mixes; it is applied to the surface of metal core board; dry at 50-80 DEG C; silicone hydroxyl and organo-functional group can connect metal and rubber; cobalt boracylate nickel can form electron hole at rubber with metal interface, and the two bonding is played facilitation；
3), the refining of bipeltate coating: nitrile rubber rubber respectively in add white carbon black, zinc oxide, magnesium oxide, zinc stearate, sulfur, dibutyl phthalate, in mill or banbury mixing 2-4 time, mix homogeneously obtains elastomeric compound；And the rubber pulverizing refined will be opened, add blowing promotor, foaming agent simultaneously, fully dissolve with butyl acetate or acetone, more than mechanical agitation 48h, its mixed proportion is that organic solvent accounts for 20-50 part, and foaming agent accounts for 5-15 part, and blowing promotor is 1-3 part, Liquid Crystalline Ionomer is 0.5-5 part, brushes or roller coating is on adhesive surface after mix homogeneously；
4) sulfur foam of compound seal plate: obtain bipeltate composite metal plate through high temperature or press cure molding in vulcanizing press or air, wherein curing temperature 140-180 DEG C, cure time 15-60min, sulfide stress 0.25-5MPa.
3), in step, its mixed proportion is nitrile rubber rubber 100 parts, white carbon black 10-30 part, zinc oxide 2-6 part, magnesium oxide 10-20 part, zinc stearate 3-9 part, sulfur 1-4 part, dibutyl phthalate 5-15 part.
Metal core board thickness is 0.1-0.5mm.
Advantage and effect: the preparation method that the present invention provides a kind of bipeltate metal composite sealing plate, it utilizes metal base, foaming rubber layer and adhesive to be prepared from.Its preparation method includes the sulfidization molding of the composite and compound seal plate of the pre-treatment of metal core board, the preparation of liquid rubber mixture, adhesive.The key problem in technology of the present invention is: utilize the feature that Liquid Crystalline Ionomer high-modulus, high intensity, the compatibility are good and rheological property is excellent, it is added in rubber, improve the processing characteristics of rubber, utilize the adhesion between the composite increase rubber of plurality of silane coupling agents and metal simultaneously.Control process conditions, prepare the bipeltate coating metal composite plate of good seal performance, oil resistance excellence.Rubber coating composite metal plate compression rebound rate height, the excellent corrosion-proof performance prepared by the present invention, oil resistivity is good, adhesive force is high, heat-resist, can be widely used in the fields such as aviation, automobile, industrial sewing machine, plant equipment.
Detailed description of the invention:The present invention will be further described below:
The preparation method that the present invention provides a kind of bipeltate metal composite sealing plate, the method adopts metal base, foaming rubber layer and adhesive to be prepared from, and specifically comprises the following steps that
1), the pre-treatment of metal core board: metal core board (thickness 0.1-0.5mm) namely belongs to base material mechanical grinding successively, the oxide on surface, oils and fats are removed in pickling, alkali cleaning, ultrasound wave eccysis；
2), adhesive is composite: adopt cobalt boracylate nickel with silane resin acceptor kh-550, KH-560, DL-602 in 1:1:(1-3): the ratio of 1 mixes; it is applied to the surface of metal core board; dry at 50-80 DEG C; silicone hydroxyl and organo-functional group can connect metal and rubber, and cobalt boracylate nickel can play good facilitation；
3), the refining of bipeltate coating: add white carbon black, zinc oxide, magnesium oxide, zinc stearate, sulfur, dibutyl phthalate in nitrile rubber rubber difference, in mill or banbury mixing 2-4 time, mix homogeneously obtains elastomeric compound, and its mixed proportion is nitrile rubber rubber 100 parts, white carbon black 10-30 part, zinc oxide 2-6 part, magnesium oxide 10-20 part, zinc stearate 3-9 part, sulfur 1-4 part, dibutyl phthalate 5-15 part.；And the rubber pulverizing refined will be opened, add auxiliary agent, foaming agent simultaneously, fully dissolve with butyl acetate and acetone, more than mechanical agitation 48h, its mixed proportion is that organic solvent accounts for 20-50 part, and foaming agent accounts for 5-15 part, and blowing promotor is 1-3 part, Liquid Crystalline Ionomer is 0.5-5 part, brushes or roller coating is on adhesive surface after mix homogeneously；
4) sulfur foam of compound seal plate: obtain bipeltate composite metal plate through high temperature or press cure molding in vulcanizing press or air, wherein curing temperature 140-180 DEG C, cure time 15-60min, sulfide stress 0.25-5MPa.
Embodiment 1:
1), the pre-treatment of metal core board: namely the metal core board that thickness is 0.1mm belongs to base material mechanical grinding successively, the oxide on surface, oils and fats are removed in pickling, alkali cleaning, ultrasound wave eccysis；
2), adhesive is composite: adopt cobalt boracylate nickel to mix in the ratio of 1:1:1:1 with silane resin acceptor kh-550, KH-560, DL-602; it is applied to the surface of metal core board; dry at 50 DEG C; silicone hydroxyl and organo-functional group can connect metal and rubber, and cobalt boracylate nickel can play good facilitation；
3), the refining of bipeltate coating: add white carbon black, zinc oxide, magnesium oxide, zinc stearate, sulfur, dibutyl phthalate in nitrile rubber rubber difference, in mill or banbury mixing 2 times, mix homogeneously obtains elastomeric compound, and its mixed proportion is nitrile rubber rubber 100 parts, white carbon black 30 parts, zinc oxide 2 parts, magnesium oxide 20 parts, zinc stearate 3 parts, 1 part of sulfur, dibutyl phthalate 15 parts.；And the rubber pulverizing refined will be opened, add auxiliary agent, foaming agent simultaneously, fully dissolve with butyl acetate and acetone, more than mechanical agitation 48h, its mixed proportion is that organic solvent accounts for 20 parts, and foaming agent accounts for 15 parts, and blowing promotor is 1 part, Liquid Crystalline Ionomer is 0.5 part, brushes or roller coating is on adhesive surface after mix homogeneously；
4) sulfur foam of compound seal plate: obtain bipeltate composite metal plate through high temperature or press cure molding in vulcanizing press or air, wherein curing temperature 140 DEG C, cure time 60min, sulfide stress 0.25MPa.
Embodiment 2:
1), the pre-treatment of metal core board: namely the metal core board that thickness is 0.5mm belongs to base material mechanical grinding successively, the oxide on surface, oils and fats are removed in pickling, alkali cleaning, ultrasound wave eccysis；
2), adhesive is composite: adopt cobalt boracylate nickel to mix in the ratio of 1:1:3:1 with silane resin acceptor kh-550, KH-560, DL-602; it is applied to the surface of metal core board; dry at 80 DEG C; silicone hydroxyl and organo-functional group can connect metal and rubber, and cobalt boracylate nickel can play good facilitation；
3), the refining of bipeltate coating: add white carbon black in nitrile rubber rubber difference, zinc oxide, magnesium oxide, zinc stearate, sulfur, dibutyl phthalate, in mill or banbury mixing 4 times, mix homogeneously obtains elastomeric compound, its mixed proportion is nitrile rubber rubber 100 parts, white carbon black 10 parts, zinc oxide 6 parts, magnesium oxide 10 parts, zinc stearate 9 parts, 4 parts of sulfur, dibutyl phthalate 5 parts, and the rubber pulverizing refined will be opened, add auxiliary agent simultaneously, foaming agent, fully dissolve with butyl acetate and acetone, more than mechanical agitation 48h, its mixed proportion is that organic solvent accounts for 50 parts, foaming agent accounts for 5 parts, blowing promotor is 3 parts, Liquid Crystalline Ionomer is 5 parts, brush after mix homogeneously or roller coating is on adhesive surface；
4) sulfur foam of compound seal plate: obtain bipeltate composite metal plate through high temperature or press cure molding in vulcanizing press or air, wherein curing temperature 180 DEG C, cure time 15min, sulfide stress 5MPa.
Embodiment 3:
1), the pre-treatment of metal core board: namely the metal core board that thickness is 0.3mm belongs to base material mechanical grinding successively, the oxide on surface, oils and fats are removed in pickling, alkali cleaning, ultrasound wave eccysis；
2), adhesive is composite: adopt cobalt boracylate nickel to mix in the ratio of 1:1:2:1 with silane resin acceptor kh-550, KH-560, DL-602; it is applied to the surface of metal core board; dry at 60 DEG C; silicone hydroxyl and organo-functional group can connect metal and rubber, and cobalt boracylate nickel can play good facilitation；
3), the refining of bipeltate coating: add white carbon black, zinc oxide, magnesium oxide, zinc stearate, sulfur, dibutyl phthalate in nitrile rubber rubber difference, in mill or banbury mixing 3 times, mix homogeneously obtains elastomeric compound, and its mixed proportion is nitrile rubber rubber 100 parts, white carbon black 20 parts, zinc oxide 4 parts, magnesium oxide 15 parts, zinc stearate 5 parts, 2 parts of sulfur, dibutyl phthalate 8 parts.；And the rubber pulverizing refined will be opened, add auxiliary agent, foaming agent simultaneously, fully dissolve with butyl acetate and acetone, more than mechanical agitation 48h, its mixed proportion is that organic solvent accounts for 30 parts, and foaming agent accounts for 10 parts, and blowing promotor is 2 parts, Liquid Crystalline Ionomer is 3 parts, brushes or roller coating is on adhesive surface after mix homogeneously；
4) sulfur foam of compound seal plate: obtain bipeltate composite metal plate through high temperature or press cure molding in vulcanizing press or air, wherein curing temperature 150 DEG C, cure time 30min, sulfide stress 3MPa.
Claims (3)
1. the preparation method of a bipeltate metal composite sealing plate, it is characterised in that: the method adopts metal base, foaming rubber layer and adhesive to be prepared from, and specifically comprises the following steps that
1), the pre-treatment of metal core board: the oxide on surface, oils and fats are removed in metal core board mechanical grinding successively thick for 0.1mm-0.5mm, pickling, alkali cleaning, ultrasound wave eccysis；
2), adhesive is composite: adopt cobalt boracylate nickel with silane resin acceptor kh-550, KH-560, DL-602 in 1:1:(1-3): the ratio of 1 mixes; it is applied to the surface of metal core board; dry at 50-80 DEG C; silicone hydroxyl and organo-functional group can connect metal and rubber; cobalt boracylate nickel can form electron hole at rubber with metal interface, and the two bonding is played facilitation；
3), the refining of bipeltate coating: nitrile rubber rubber respectively in add white carbon black, zinc oxide, magnesium oxide, zinc stearate, sulfur, dibutyl phthalate, in mill or banbury mixing 2-4 time, mix homogeneously obtains elastomeric compound；And the rubber pulverizing refined will be opened, add blowing promotor, foaming agent simultaneously, fully dissolve with butyl acetate or acetone, more than mechanical agitation 48h, its mixed proportion is that organic solvent accounts for 20-50 part, and foaming agent accounts for 5-15 part, and blowing promotor is 1-3 part, Liquid Crystalline Ionomer is 0.5-5 part, brushes or roller coating is on adhesive surface after mix homogeneously；
4) sulfur foam of compound seal plate: obtain bipeltate composite metal plate through high temperature or press cure molding in vulcanizing press or air, wherein curing temperature 140-180 DEG C, cure time 15-60min, sulfide stress 0.25-5MPa.
2. the preparation method of bipeltate metal composite sealing plate according to claim 1, it is characterized in that: 3) in step, its mixed proportion is nitrile rubber rubber 100 parts, white carbon black 10-30 part, zinc oxide 2-6 part, magnesium oxide 10-20 part, zinc stearate 3-9 part, sulfur 1-4 part, dibutyl phthalate 5-15 part.
3. the preparation method of bipeltate metal composite sealing plate according to claim 1, it is characterised in that: metal core board thickness is 0.1-0.5mm.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109206686A (en) * | 2018-07-14 | 2019-01-15 | 桂林理工大学 | A kind of nitrile rubber-metal composite sealing material and preparation method thereof |
| CN109412022A (en) * | 2018-09-18 | 2019-03-01 | 武汉水院电气有限责任公司 | A kind of technique for sticking of spheric electrode and electro-insulating rubber |
| CN109535853A (en) * | 2018-10-29 | 2019-03-29 | 胡果青 | A kind of preparation method of blown rubber composite metal plate |
| CN109854747A (en) * | 2019-03-15 | 2019-06-07 | 广东中宇恒通电热科技有限公司 | Metal foaming rubber/fluorubber composite seal and preparation method thereof |
| CN110920178A (en) * | 2019-12-05 | 2020-03-27 | 中国航发北京航空材料研究院 | Variable-rigidity conductive composite material and preparation method thereof |
| CN111073006A (en) * | 2019-12-05 | 2020-04-28 | 宁波信幸隆密封制品有限公司 | Closed pore rubber material and preparation process thereof |
| CN114517833A (en) * | 2022-01-18 | 2022-05-20 | 一汽解放汽车有限公司 | Sealing gasket, nitrile rubber, preparation method of sealing gasket and vehicle |
| CN115570858A (en) * | 2022-08-26 | 2023-01-06 | 浙江国泰萧星密封材料股份有限公司 | High-temperature-resistant composite gasket and preparation method thereof |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109206686A (en) * | 2018-07-14 | 2019-01-15 | 桂林理工大学 | A kind of nitrile rubber-metal composite sealing material and preparation method thereof |
| CN109412022A (en) * | 2018-09-18 | 2019-03-01 | 武汉水院电气有限责任公司 | A kind of technique for sticking of spheric electrode and electro-insulating rubber |
| CN109535853A (en) * | 2018-10-29 | 2019-03-29 | 胡果青 | A kind of preparation method of blown rubber composite metal plate |
| CN109854747A (en) * | 2019-03-15 | 2019-06-07 | 广东中宇恒通电热科技有限公司 | Metal foaming rubber/fluorubber composite seal and preparation method thereof |
| CN110920178A (en) * | 2019-12-05 | 2020-03-27 | 中国航发北京航空材料研究院 | Variable-rigidity conductive composite material and preparation method thereof |
| CN111073006A (en) * | 2019-12-05 | 2020-04-28 | 宁波信幸隆密封制品有限公司 | Closed pore rubber material and preparation process thereof |
| CN110920178B (en) * | 2019-12-05 | 2022-03-15 | 北京航空材料研究院有限公司 | Variable-rigidity conductive composite material and preparation method thereof |
| CN114517833A (en) * | 2022-01-18 | 2022-05-20 | 一汽解放汽车有限公司 | Sealing gasket, nitrile rubber, preparation method of sealing gasket and vehicle |
| CN115570858A (en) * | 2022-08-26 | 2023-01-06 | 浙江国泰萧星密封材料股份有限公司 | High-temperature-resistant composite gasket and preparation method thereof |
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Application publication date: 20160706 |