CN101824271B - Aqueous bi-component coating of vehicle rubber and plastic sealing strip and preparation method thereof - Google Patents
Aqueous bi-component coating of vehicle rubber and plastic sealing strip and preparation method thereof Download PDFInfo
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Abstract
The invention relates to an aqueous bi-component coating of a vehicle rubber and plastic sealing strip and a preparation method thereof. A component A takes aqueous polyurethane as matrix resin, and a component B is a cross-linking agent. The component A contains the following components in percentage by weight: 26-55 percent of aliphatic aqueous polyurethane dispersoid, 0-5 percent of polyamide paraffin slurry, 0-20 percent of aqueous ethylene paraffin liquid, 0-12 percent of aqueous resin containing active functional group, 1-10 percent of functional material, 5-10 percent of slipping agent, 0.1-2 percent of stuffing, 0-3 percent of pigment slurry, 1.5-6 percent of special assistant and 15-45 percent of solvent, and the component B contains the following components in percentage by weight: 70-100 percent of hydrophilic aliphatic polyisocyanate based on hexamethylene diisocyanate and 0-30 percent of diethylene glycol butylether acetate. The invention has the advantages that after the cross-linking reaction is carried out on the aqueous resin composition and the cross-linking agent, the aqueous bi-component coating has excellent adhesiveness and meets the adhering requirements on treated rubber and plastic surfaces, has superstrong abrasive resistance and moderate flexibility, can enhance the slipping performance and the abrasive resistance with glass, resists high temperature, does not deform or separate out and has permanent slipping effect.
Description
Technical field
The automobile-used sealed strip coating of aqueous double-component of the present invention relates to two kinds of coating materials, is mainly used in the inside and outside application of vehicle with sealed strip, comprises sealed strips such as flexible PVC, rubber, EPDM.
Background technology
Existing sealed strip is mainly with cashmere-planted layer and the solvent-based coating contact layer as glass slides, and is seriously polluted, also Air quality requirement in the incompatibility car; And solvent based coating discharging VOC organic solvent comprised hazardous compounds such as toluene, YLENE, and cashmere-planted layer is resistant not, the cleaning difficulty; Wear resistance is bad; Be prone to fly upward and pollute indoor environment etc., harm is biological, influences human beings'health.
The automotive coating industry also has common recognition now; Water-borne modification coating is the main direction of Future Development; A lot of middle-and-high-rankingly well-behavedly all begin requirement with car and use water-borne coatings, rubber surface is nonpolarity basically, and very difficulty of coating is done on the surface; It is bigger to do the aqueous coating difficulty, and the present domestic water-borne coatings that can satisfy the automobile-used rubber seal standard of the well-behaved usefulness of GB/T21282-2007 does not also appear in the newspapers.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of aqueous bi-component coating of automobile-used rubber seal, is the water-borne coatings of environmental protection, can on automobile-used sealed strip, form the coating of difference in functionality.
Another technical problem to be solved by this invention is to provide the preparation method of the aqueous bi-component coating of above-mentioned automobile-used rubber seal.
The present invention solves the problems of the technologies described above the technical scheme of taking: a kind of aqueous bi-component coating of automobile-used rubber seal, component A are matrix resin with the aqueous polyurethane, and B component is a linking agent, wherein,
Component A comprises by mass percentage:
B component comprises by mass percentage:
Wetting ability aliphatic polymeric isocyanate 70～100% based on hexamethylene diisocyanate
Diethylene Glycol monobutyl ether acetate 0～30%
Aromatic diisocyanate 0～5%.
Concrete, among the component A,
The consumption of aliphatics aqueous pu dispersions can be 26,28,30,32,35,38,40,42,45,48,50,52 or 55%;
The consumption of polyamide wax pulp can be 0,1,2,3,4 or 5%;
The consumption of aqueous polyethylene wax dispenser can be 0,2,5,8,10,12,15,18 or 20%;
The consumption of water-based hydroxyl resin can be 0,2,4,6,8,10 or 12%;
The consumption of functional material can be 1,2,3,4,5,6,7,8,9 or 10%;
The consumption of slipenhancing material can be 5,6,7,8,9 or 10%;
The consumption of filler can be 0.1,0.5,1,1.5 or 2%;
The consumption of pigment slurry can be 0,0.1,0.5,1,1.5,2,2.5 or 3%;
The consumption of special addition agent can be 1.5,2,2.5,3,3.5,4,4.5,5,5.5 or 6%;
The consumption of solvent can be 15,18,20,22,25,28,30,32,35,38,40,42 or 45%.
In the B component,
Consumption based on the wetting ability aliphatic polymeric isocyanate of hexamethylene diisocyanate can be 70,75,80,85,90,95 or 100%;
The consumption of Diethylene Glycol monobutyl ether acetate can be 0,5,10,15,20,25 or 30%;
The consumption of aromatic diisocyanate can be 0,1,2,3,4 or 5%.
Water-borne coatings of the present invention is to be the domestic first product that can meet the demands through the experiment of the national passenger car standard unit of drafting, and comparing currently available products has important breakthrough.
Water-borne coatings of the present invention is main film forming bond with the aliphatics aqueous pu dispersions; The aliphatics aqueous pu dispersions is a flexible resin; Can be coating itself enough sticking power be provided, with wetting ability aliphatic polymeric isocyanate based on hexamethylene diisocyanate be main linking agent cross linking reaction and solidification film forming, have excellent tack; Can satisfy in surperficial the adhering to of treated rubber and plastic, satisfy the automobile-used rubber seal standard-required of the well-behaved usefulness of GB/T21282-2007.
On the basis of such scheme, described aliphatics waterborne polyurethane resin comprises by component A mass percent:
Ionic aliphatics aqueous pu dispersions 25～50%
Non-ionic type aliphatics aqueous pu dispersions 1～3%
Polybutadiene-base aliphatics aqueous pu dispersions 0～10%.
Non-ionic type aliphatics aqueous pu dispersions is mainly anti-heavy as thickening.
Concrete,
The consumption of ionic aliphatics aqueous pu dispersions can be 25,28,30,32,35,38,40,42,45,48 or 50%;
The consumption of non-ionic type aliphatics aqueous pu dispersions can be 1,1.5,2,2.5 or 3%;
The consumption of polybutadiene-base aliphatics aqueous pu dispersions can be 0,1,2,3,4 or 10%.
The solid content of ionic aliphatics aqueous pu dispersions is 25～35%; The solid content of non-ionic type aliphatics aqueous polyurethane (dispersion-s) is 15～25%; The solid content of polybutadiene-base aliphatics aqueous pu dispersions is 30～40%.
On the basis of such scheme, the solid content of said polyamide wax pulp is 4～10%; The solid content of said aqueous polyethylene wax dispenser is 15～25%.
Concrete, the solid content of polyamide wax pulp can be 4,5,6,7,8,9 or 10%; The solid content of aqueous polyethylene wax dispenser can be 15,18,20,22 or 25%.
On the basis of such scheme, the described water-base resin that contains active function groups comprises by component A mass percent:
Water-based hydroxyl Emulsion acrylic resin 0～10%
The aqueous polyurethane emulsion 0～10% of hydroxyl
Methyl-etherified aminoresin 0～5%.
The described water-base resin total amount that contains active function groups preferably accounts for component A mass percent and counts 5～10%.This contain active function groups water-base resin had-OH or-NH
2Functional group can provide abundant cross-linking set.
Concrete, the consumption of water-based hydroxyl Emulsion acrylic resin can be 0,2,4,6,8 or 10%;
The consumption of the aqueous polyurethane emulsion of hydroxyl can be 0,2,4,6,8 or 10%;
The consumption of methyl-etherified aminoresin can be 0,0.5,1,1.5,2,2.5,3,3.5,4,4.5 or 5%.
The solid content of the aqueous polyurethane emulsion of water-based hydroxyl Emulsion acrylic resin or hydroxyl is 35～45%; The solid content of methyl-etherified aminoresin is 95～99%.
On the basis of main film forming bonding material aliphatics waterborne polyurethane resin, be aided with water-based hydroxyl resin, functional material, slipenhancing material, filler, pigment slurry, special addition agent etc., increase specific function with the processing of promotion coating and to coating.
On the basis of such scheme, to wear-resisting automobile-used sealed strip, described functional material can be high-abrasive material, and high-abrasive material is one or more in aqueous dispersion type poly (methyl methacrylate) micro-sphere, the polytetrafluorethylepowder powder.
The sealed strip that adopts coating of the present invention to apply generally can bear reciprocating friction 10000 times at load 1000 grams, even reaches wear-resisting 30000 times of load 1500 grams.
On the basis of such scheme, described functional material adopts the aqueous dispersion type poly (methyl methacrylate) micro-sphere of a kind of particle diameter or two kinds of particle diameters, comprises by component A mass percent:
Poly (methyl methacrylate) micro-sphere, particle diameter 20～65 μ 2～10%
Poly (methyl methacrylate) micro-sphere, particle diameter 1.8～15 μ 0～8%.
Concrete, the consumption of particle diameter 20～65 μ poly (methyl methacrylate) micro-spheres can be 2,3,4,5,6,7,8,9 or 10%;
The consumption of particle diameter 1.8～15 μ poly (methyl methacrylate) micro-spheres can be 0,2,4,6 or 8%.
Further, when adopting the poly (methyl methacrylate) micro-sphere of two kinds of particle diameters, comprise by component A mass percent:
Poly (methyl methacrylate) micro-sphere, particle diameter 20～65 μ 1～3%
Poly (methyl methacrylate) micro-sphere, particle diameter 1.8～15 μ 5～9%.
Further, when only adopting the poly (methyl methacrylate) micro-sphere of particle diameter 20～65 μ, comprise by component A mass percent:
Poly (methyl methacrylate) micro-sphere, particle diameter 20～65 μ 8～10%.
Poly (methyl methacrylate) micro-sphere not only can strengthen the wear resistance of sealed strip, also can strengthen the sliding of sealed strip and glass, high temperature resistant indeformable, do not separate out, have permanent sliding effect; And polytetrafluoroethylene powder also can provide auxiliary sliding effect.The superpower wear resistance of tool behind the aqueous resin composition of interpolation high-abrasive material and the linking agent, suitable snappiness, incrust.
On the basis of such scheme, to ornamental automobile-used sealed strip, described functional material is an extinction material, and extinction material is a SiO 2 powder.The particle diameter of SiO 2 powder is 2～5 μ.
On the basis of such scheme, described slipenhancing material comprises by component A mass percent:
Emulsifying water polymer silicone resin 2～4%
Polyether modified silicon oil 1～3%
Fluoridize organosilicon 2～5%.
The interpolation of slipenhancing material makes the sealed strip after the coating have the permanent smooth property that continues.Above-mentioned slipenhancing material cooperates poly (methyl methacrylate) micro-sphere to use, and auxiliary sliding effect can be provided, and cooperatively interacts to make the sliding wear resistance of increasing of sealed strip more become perfect.
Concrete, the consumption of emulsifying water polymer silicone resin can be 2,2.5,3,3.5 or 4%;
The consumption of polyether modified silicon oil can be 1,1.5,1.8,2,2.2,2.5 or 3%;
Fluoridize organosilyl consumption and can be 2,2.5,3,3.5,4,4.5 or 5%.
Fluoridize organosilyl solid content 25～35%.
On the basis of such scheme, described filler is one or more in carbon black, aerosil, the high-weatherability organic or inorganic filler.
On the basis of such scheme, described pigment slurry is the carbon black slurry, and solid content is 10～60%.
On the basis of such scheme, described special addition agent component A mass percent meter comprises:
Polydimethyl silane 0.1～0.4%
Polyethers-silane copolymer 1.5～2.5%
Sticking power promotes resin 0～3%.
Concrete, polydimethyl silane is as skimmer, and its consumption can be 0.1,0.15,0.2,0.25,0.3,0.35 or 0.4%;
Polyethers-silane copolymer is as wetting agent, and its consumption can be 1.5,1.6,1.8,2.0,2.2,2.4 or 2.5%;
Sticking power promotes resin as promotor, and its consumption can be 0,1,2 or 3%.
On the basis of such scheme, described solvent comprises by component A mass percent:
Water 3～30%
Propylene glycol monomethyl ether 5～10%
Ethanol 0～15%
Virahol 0～5%.
Concrete, the consumption of water can be 3,5,10,15,20,25 or 30%;
The consumption of propylene glycol monomethyl ether can be 5,6,7,8,9 or 10%;
Consumption of ethanol can be 0,2,5,8,10,12 or 15%;
The consumption of Virahol can be 0,1,2,3,4 or 5%.
A kind of solvent formula further is provided, and solvent comprises by component A mass percent:
Water 18～30%
Propylene glycol monomethyl ether 5～10%
Another kind of solvent formula further is provided, and solvent comprises by component A mass percent:
Water 3～25%
Propylene glycol monomethyl ether 5～10%
Ethanol 10～15%.
Another solvent formula further is provided, and solvent comprises by component A mass percent:
Preparing method to the aqueous bi-component coating of above-mentioned automobile-used rubber seal is characterized in that comprising the steps:
The preparation of component A:
The first step: will the water in the solvent, the polydimethyl silane in the special addition agent, emulsifying water polymer silicone resin and the part aliphatics aqueous pu dispersions in the slipenhancing material be dropped in the dispersion cup by prescription; Stirring velocity is 500～600 commentaries on classics/min; In whipping process, add remaining aliphatics aqueous pu dispersions, polyamide wax pulp, filler and functional material, 2000～3000 commentaries on classics/min high speed dispersion 8～15 minutes;
Second step: stirring velocity is reduced to 500～600 commentaries on classics/min; Add pigment slurry, the water-base resin that contains active function groups, aqueous polyethylene wax dispenser, residue slipenhancing material, residual solvent and residue special addition agent; Stirred 25～40 minutes, filter with 80～300 eye mesh screens the back that is uniformly dispersed;
The preparation of B component:
Each prescription of B component is dropped in the container, 50～150 commentaries on classics/min stirring at low speed 3～5 minutes, filter with 200～300 eye mesh screens the back that is uniformly dispersed;
During use component A is mixed with B component, mixed weight is than being component A: B component=9～11: 1, and stirring at normal temperature is even.
The invention has the beneficial effects as follows:
Have excellent tack after selected use resin combination of the present invention and the linking agent crosslinking reaction, can satisfy and adhere to the wear resistance that tool is superpower on treated rubber and plastic surface; The snappiness that is fit to; Incrust, the function high-abrasive material of being selected for use is the PMMA microballoon, can strengthen sliding and wear resistance with glass; High temperature resistant indeformable, do not separate out; Have permanent sliding effect, polytetrafluoroethylene powder, organic silicone grease, silicon-fluorine polymer thing etc. also can provide auxiliary sliding effect, cooperatively interact to make to increase sliding wear resistance and more become perfect.
Embodiment
The automobile-used rubber seal coating of special-purpose aqueous pair of component of embodiment 1 glass run
Component A comprises by mass percentage:
The aliphatics aqueous pu dispersions comprises:
Ionic aliphatics aqueous pu dispersions (solid content 30%) 30%
(Hangzhou Reynolds novel material ltd, PUD-1019 waterborne polyurethane resin)
Non-ionic type aliphatics aqueous pu dispersions (solid content 20%) 3%
(NOPCO company, SN-THICKENER 612N)
Polyamide wax pulp (solid content 5%) 4%
(Japanese nanmu Disparlon AQ600)
Aqueous polyethylene wax dispenser (solid content 20%) 4%
(the new promise chemical industry 617B2 of ltd in Shanghai)
The water-base resin that contains active function groups:
Water-based hydroxyl Emulsion acrylic resin (solid content 40%) 10%
(BASF?luhydran?S937T)
Functional material comprises:
The aqueous dispersion type poly (methyl methacrylate) micro-sphere, particle diameter 20～65 μ 2%
The aqueous dispersion type poly (methyl methacrylate) micro-sphere, particle diameter 1.8～15 μ 6%
(the MX-20E30H of soken company; MX-1500HF)
Slipenhancing material comprises:
Emulsifying water polymer silicone resin (DOW CORNING 51) 2%
Polyether modified silicon oil (E0-2051 of Hangzhou Bao Erde organosilicon ltd) 2%
Fluoridize organosilicon (solid content 30%) 2%
(E0-606 of Hangzhou Bao Erde organosilicon ltd)
Filler:
Aerosil (DEGUSSA A200) 1%
Pigment slurry:
Carbon black slurry (solid content 10%) (last two extra large coloured silks add lustre to and expect chemical company 8501) 1%
Special addition agent comprises
Polydimethyl silane (MUNING PI35) 0.2%
Polyether siloxane copolymers (TEGO WET260) 2%
Solvent comprises:
Water 20.8%
Propylene glycol monomethyl ether 10%;
B component comprises by mass percentage:
Wetting ability aliphatic polymeric isocyanate 70% based on hexamethylene diisocyanate
(BAYER?BAYHYDUR?305)
Diethylene Glycol monobutyl ether acetate 30%.
The preparation method comprises the steps:
The preparation of component A:
The first step: will water, polydimethyl silane, emulsifying water polymer silicone resin and ionic aliphatics aqueous pu dispersions be dropped in the dispersion cup by prescription; Stirring velocity is 500～600 commentaries on classics/min; In whipping process, add non-ionic type aliphatics aqueous pu dispersions, polyamide wax pulp, aerosil and aqueous dispersion type poly (methyl methacrylate) micro-sphere successively, 2000～3000 commentaries on classics/min high speed dispersion 8～15 minutes;
Second step: stirring velocity is reduced to 500～600 commentaries on classics/min; Add carbon black slurry, water-based hydroxyl Emulsion acrylic resin, aqueous polyethylene wax dispenser, polyether modified silicon oil successively, fluoridize organosilicon, propylene glycol monomethyl ether and polyether siloxane copolymers; Stirred 25～40 minutes, filter with 80～300 eye mesh screens the back that is uniformly dispersed;
The preparation of B component:
Each prescription of B component is dropped in the container, 50～150 commentaries on classics/min stirring at low speed 3～5 minutes, filter with 200～300 eye mesh screens the back that is uniformly dispersed;
During use component A is mixed with B component, the mixed weight ratio is component A: B component=10: 1, stirring at normal temperature is even.
The automobile-used rubber seal coating of special-purpose aqueous pair of component of embodiment 2 glass runs
Component A comprises by mass percentage:
The aliphatics aqueous pu dispersions comprises:
Ionic aliphatics aqueous pu dispersions (solid content 30%) 30%
Non-ionic type aliphatics aqueous pu dispersions (solid content 20%) 1.5%
Polybutadiene-base aliphatics aqueous pu dispersions (solid content 35%) 4%
(new Yongtai, Jiangsu printed material Science and Technology Ltd., YH4102 water-based glue)
Polyamide wax pulp (solid content 5%) 4%
The water-base resin that contains active function groups:
Water-based hydroxyl Emulsion acrylic resin (solid content 40%) 7%
Functional material comprises:
The aqueous dispersion type poly (methyl methacrylate) micro-sphere, particle diameter 20～65 μ 2%
The aqueous dispersion type poly (methyl methacrylate) micro-sphere, particle diameter 1.8～15 μ 8%
Slipenhancing material comprises:
Emulsifying water polymer silicone resin 3%
Polyether modified silicon oil 2%
Fluoridize organosilicon (solid content 30%) 5%
Filler:
Aerosil 1%
Pigment slurry:
Carbon black slurry (solid content 10%) 1%
Special addition agent comprises:
Polydimethyl silane 0.2%
Polyether siloxane copolymers 2%
Sticking power promotes resin (BASF EP-DS-1300) 3%
Solvent comprises:
Water 6.3%
Propylene glycol monomethyl ether 5%
Ethanol 15%;
B component comprises by mass percentage:
Wetting ability aliphatic polymeric isocyanate 70% based on hexamethylene diisocyanate
Diethylene Glycol monobutyl ether acetate 30%.
The preparation method comprises the steps:
The preparation of component A:
The first step: will water, polydimethyl silane, emulsifying water polymer silicone resin and ionic aliphatics aqueous pu dispersions be dropped in the dispersion cup by prescription; Stirring velocity is 500～600 commentaries on classics/min; In whipping process, add non-ionic type aliphatics aqueous pu dispersions, polybutadiene-base aliphatics aqueous pu dispersions, polyamide wax pulp, aerosil and aqueous dispersion type poly (methyl methacrylate) micro-sphere successively, 2000～3000 commentaries on classics/min high speed dispersion 8～15 minutes;
Second step: stirring velocity is reduced to 500～600 commentaries on classics/min; Add carbon black slurry, water-based hydroxyl Emulsion acrylic resin, polyether modified silicon oil successively, fluoridize organosilicon, propylene glycol monomethyl ether, ethanol, polyether siloxane copolymers and sticking power promotes resin; Stirred 25～40 minutes, filter with 80～300 eye mesh screens the back that is uniformly dispersed;
The preparation of B component:
Each prescription of B component is dropped in the container, 50～150 commentaries on classics/min stirring at low speed 3～5 minutes, filter with 200～300 eye mesh screens the back that is uniformly dispersed;
During use component A is mixed with B component, the mixed weight ratio is component A: B component=10: 1, stirring at normal temperature is even.
Embodiment 3
Component A comprises by mass percentage:
The aliphatics aqueous pu dispersions comprises:
Ionic aliphatics aqueous pu dispersions (solid content 30%) 50%
Non-ionic type aliphatics aqueous pu dispersions (solid content 20%) 1.5%
Polyamide wax pulp (solid content 5%) 4%
Functional material:
The aqueous dispersion type poly (methyl methacrylate) micro-sphere, particle diameter 20～65 μ 10%
Slipenhancing material comprises:
Emulsifying water polymer silicone resin 3%
Polyether modified silicon oil 2%
Fluoridize organosilicon (solid content 30%) 5%
Filler:
Aerosil 1%
Pigment slurry:
Carbon black slurry (solid content 10%) 3%
Special addition agent comprises:
Polydimethyl silane 0.2%
Polyether siloxane copolymers 2%
Solvent comprises:
Water 3.3%
Propylene glycol monomethyl ether 5%
Ethanol 10%;
B component comprises by mass percentage:
Wetting ability aliphatic polymeric isocyanate 70% based on hexamethylene diisocyanate
Diethylene Glycol monobutyl ether acetate 30%.
The preparation method comprises the steps:
The preparation of component A:
The first step: will water, polydimethyl silane, emulsifying water polymer silicone resin and ionic aliphatics aqueous pu dispersions be dropped in the dispersion cup by prescription; Stirring velocity is 500～600 commentaries on classics/min; In whipping process, add non-ionic type aliphatics aqueous pu dispersions, polyamide wax pulp, aerosil and aqueous dispersion type poly (methyl methacrylate) micro-sphere successively, 2000～3000 commentaries on classics/min high speed dispersion 8～15 minutes;
Second step: stirring velocity is reduced to 500～600 commentaries on classics/min; Add carbon black slurry, polyether modified silicon oil successively, fluoridize organosilicon, propylene glycol monomethyl ether, ethanol and polyether siloxane copolymers; Stirred 25～40 minutes, filter with 80～300 eye mesh screens the back that is uniformly dispersed;
The preparation of B component:
Each prescription of B component is dropped in the container, 50～150 commentaries on classics/min stirring at low speed 3～5 minutes, filter with 200～300 eye mesh screens the back that is uniformly dispersed;
During use component A is mixed with B component, the mixed weight ratio is component A: B component=10: 1, stirring at normal temperature is even.
Embodiment 4
Component A comprises by mass percentage:
The aliphatics aqueous pu dispersions comprises:
The water-base resin that contains active function groups:
The aqueous polyurethane emulsion of hydroxyl (solid content 40%) 10%
(BAYER?BAYHYDRO?XP?2485)
Functional material:
Silicon-dioxide, particle diameter 2～5 μ (DEGUSSA TS100) 2%
Slipenhancing material comprises:
Emulsifying water polymer silicone resin 3%
Polyether modified silicon oil 2%
Fluoridize organosilicon (solid content 30%) 2%
Filler:
Aerosil 1%
Pigment slurry:
Carbon black slurry (solid content 10%) v 3%
Special addition agent comprises
Polydimethyl silane 0.2%
Polyether siloxane copolymers 1.5%
Solvent comprises:
Water 27.3%
Propylene glycol monomethyl ether 7%;
B component comprises by mass percentage:
Wetting ability aliphatic polymeric isocyanate 100% based on hexamethylene diisocyanate
The preparation method comprises the steps:
The preparation of component A:
The first step: will water, polydimethyl silane, emulsifying water polymer silicone resin and ionic aliphatics aqueous pu dispersions be dropped in the dispersion cup by prescription; Stirring velocity is 500～600 commentaries on classics/min; In whipping process, add non-ionic type aliphatics aqueous pu dispersions, polyamide wax pulp, aerosil and silicon-dioxide successively, 2000～3000 commentaries on classics/min high speed dispersion 8～15 minutes;
Second step: stirring velocity is reduced to 500～600 commentaries on classics/min; Add successively carbon black slurry, hydroxyl aqueous polyurethane emulsion, aqueous polyethylene wax dispenser, polyether modified silicon oil, fluoridize organosilicon, propylene glycol monomethyl ether and polyether siloxane copolymers; Stirred 25～40 minutes, filter with 80～300 eye mesh screens the back that is uniformly dispersed;
The preparation of B component:
B component is filtered with 200～300 eye mesh screens;
During use component A is mixed with B component, the mixed weight ratio is component A: B component=9.5: 1, stirring at normal temperature is even.
The automobile-used sealed strip coating of special-purpose aqueous pair of component of embodiment 5 sponge products
Component A comprises by mass percentage:
The aliphatics aqueous pu dispersions comprises:
The water-base resin that contains active function groups:
The aqueous acrylic emulsion of hydroxyl (solid content 40%) 7%
Functional material:
Silicon-dioxide, particle diameter 2～5 μ 3%
Slipenhancing material comprises:
Emulsifying water polymer silicone resin 3%
Polyether modified silicon oil 2%
Fluoridize organosilicon (solid content 30%) 2%
Filler:
Aerosil 1%
Pigment slurry:
Carbon black slurry (solid content 10%) 1%
Special addition agent comprises:
Polydimethyl silane 0.2%
Polyether siloxane copolymers 2%
Solvent comprises:
Water 18.3%
Propylene glycol monomethyl ether 5%
Ethanol 15%;
B component comprises by mass percentage:
Wetting ability aliphatic polymeric isocyanate 80% based on hexamethylene diisocyanate
Diethylene Glycol monobutyl ether acetate 20%.
The preparation method comprises the steps:
The preparation of component A:
The first step: will water, polydimethyl silane, emulsifying water polymer silicone resin and ionic aliphatics aqueous pu dispersions be dropped in the dispersion cup by prescription; Stirring velocity is 500～600 commentaries on classics/min; In whipping process, add non-ionic type aliphatics aqueous pu dispersions, polybutadiene-base aliphatics aqueous pu dispersions, polyamide wax pulp, aerosil and silicon-dioxide successively, 2000～3000 commentaries on classics/min high speed dispersion 8～15 minutes;
Second step: stirring velocity is reduced to 500～600 commentaries on classics/min; Add successively carbon black slurry, hydroxyl aqueous acrylic emulsion, polyether modified silicon oil, fluoridize organosilicon, propylene glycol monomethyl ether, ethanol and polyether siloxane copolymers; Stirred 25～40 minutes, filter with 80～300 eye mesh screens the back that is uniformly dispersed;
The preparation of B component:
Each prescription of B component is dropped in the container, 50～150 commentaries on classics/min stirring at low speed 3～5 minutes, filter with 200～300 eye mesh screens the back that is uniformly dispersed;
During use component A is mixed with B component, the mixed weight ratio is component A: B component=10.5: 1, stirring at normal temperature is even.
The automobile-used sealed strip coating of special-purpose aqueous pair of component of embodiment 6 sponge products
Component A comprises by mass percentage:
The aliphatics aqueous pu dispersions comprises:
Ionic aliphatics aqueous pu dispersions (solid content 30%) 30%
Non-ionic type aliphatics aqueous pu dispersions (solid content 20%) 1%
Polybutadiene-base aliphatics aqueous pu dispersions (solid content 35%) 10%
Functional material:
Silicon-dioxide, particle diameter 2～5 μ 1.5%
Slipenhancing material comprises:
Emulsifying water polymer silicone resin 2%
Polyether modified silicon oil 2%
Fluoridize organosilicon (solid content 30%) 5%
Filler:
Aerosil 1%
Pigment slurry:
Carbon black slurry (solid content 10%) 3%
Special addition agent comprises:
Polydimethyl silane 0.2%
Polyether siloxane copolymers 1.5%
Solvent comprises:
Water 22.8%
Propylene glycol monomethyl ether 5%
Ethanol 15%;
B component comprises by mass percentage:
Wetting ability aliphatic polymeric isocyanate 75% based on hexamethylene diisocyanate
Diethylene Glycol monobutyl ether acetate 20%
Aromatic diisocyanate 5%.
The preparation method comprises the steps:
The preparation of component A:
The first step: will water, polydimethyl silane, emulsifying water polymer silicone resin and ionic aliphatics aqueous pu dispersions be dropped in the dispersion cup by prescription; Stirring velocity is 500～600 commentaries on classics/min; In whipping process, add non-ionic type aliphatics aqueous pu dispersions, polybutadiene-base aliphatics aqueous pu dispersions, aerosil and silicon-dioxide successively, 2000～3000 commentaries on classics/min high speed dispersion 8～15 minutes;
Second step: stirring velocity is reduced to 500～600 commentaries on classics/min; Add carbon black slurry, polyether modified silicon oil successively, fluoridize organosilicon, propylene glycol monomethyl ether, ethanol and polyether siloxane copolymers; Stirred 25～40 minutes, filter with 80～300 eye mesh screens the back that is uniformly dispersed;
The preparation of B component:
Each prescription of B component is dropped in the container, 50～150 commentaries on classics/min stirring at low speed 3～5 minutes, filter with 200～300 eye mesh screens the back that is uniformly dispersed;
During use component A is mixed with B component, the mixed weight ratio is component A: B component=10.2: 1, stirring at normal temperature is even.
The automobile-used sealed strip coating of special-purpose aqueous pair of component of embodiment 7 colored articles
Component A comprises by mass percentage:
The aliphatics aqueous pu dispersions comprises:
Ionic aliphatics aqueous pu dispersions (solid content 30%) 35%
Non-ionic type aliphatics aqueous pu dispersions (solid content 20%) 3%
Aqueous polyethylene wax dispenser (solid content 20%) 4%
The water-base resin that contains active function groups:
The aqueous polyurethane emulsion of hydroxyl (solid content 40%) 10%
Functional material:
Silicon-dioxide, particle diameter 2～5 μ 1%
Slipenhancing material comprises:
Emulsifying water polymer silicone resin 3%
Polyether modified silicon oil 2%
Fluoridize organosilicon (solid content 30%) 2%
Filler:
Aerosil 1%
Special addition agent comprises
Polydimethyl silane 0.2%
Polyether siloxane copolymers 2%
Solvent comprises:
Water 28.8%
Propylene glycol monomethyl ether 8%;
B component comprises by mass percentage:
Wetting ability aliphatic polymeric isocyanate 90% based on hexamethylene diisocyanate
Diethylene Glycol monobutyl ether acetate 10%.
The preparation method comprises the steps:
The preparation of component A:
The first step: will water, polydimethyl silane, emulsifying water polymer silicone resin and ionic aliphatics aqueous pu dispersions be dropped in the dispersion cup by prescription; Stirring velocity is 500～600 commentaries on classics/min; In whipping process, add non-ionic type aliphatics aqueous pu dispersions, aerosil and silicon-dioxide successively, 2000～3000 commentaries on classics/min high speed dispersion 8～15 minutes;
Second step: stirring velocity is reduced to 500～600 commentaries on classics/min; Add successively carbon black slurry, hydroxyl aqueous polyurethane emulsion, aqueous polyethylene wax dispenser, polyether modified silicon oil, fluoridize organosilicon, propylene glycol monomethyl ether and polyether siloxane copolymers; Stirred 25～40 minutes, filter with 80～300 eye mesh screens the back that is uniformly dispersed;
The preparation of B component:
Each prescription of B component is dropped in the container, 50～150 commentaries on classics/min stirring at low speed 3～5 minutes, filter with 200～300 eye mesh screens the back that is uniformly dispersed;
During use component A is mixed with B component, the mixed weight ratio is component A: B component=9.3: 1, stirring at normal temperature is even.
The automobile-used sealed strip coating of special-purpose aqueous pair of component of embodiment 8 colored articles
Component A comprises by mass percentage:
The aliphatics aqueous pu dispersions comprises:
Ionic aliphatics aqueous pu dispersions (solid content 30%) 30%
Non-ionic type aliphatics aqueous pu dispersions (solid content 20%) 1.5%
Aqueous polyethylene wax dispenser (solid content 20%) 20%
The water-base resin that contains active function groups:
The aqueous acrylic emulsion of hydroxyl (solid content 40%) 7%
Functional material:
Silicon-dioxide, particle diameter 2～5 μ 1%
Slipenhancing material comprises:
Emulsifying water polymer silicone resin 3%
Polyether modified silicon oil 2%
Fluoridize organosilicon (solid content 30%) 2%
Filler:
Aerosil 1%
Special addition agent comprises
Polydimethyl silane 0.2%
Polyether siloxane copolymers 2%
Solvent comprises:
Water 15.3%
Propylene glycol monomethyl ether 5%
Ethanol 10%;
B component comprises by mass percentage:
Wetting ability aliphatic polymeric isocyanate 70% based on hexamethylene diisocyanate
Diethylene Glycol monobutyl ether acetate 28%
Aromatic diisocyanate 2%.
The preparation method comprises the steps:
The preparation of component A:
The first step: will water, polydimethyl silane, emulsifying water polymer silicone resin and ionic aliphatics aqueous pu dispersions be dropped in the dispersion cup by prescription; Stirring velocity is 500～600 commentaries on classics/min; In whipping process, add non-ionic type aliphatics aqueous pu dispersions, aerosil and silicon-dioxide successively, 2000～3000 commentaries on classics/min high speed dispersion 8～15 minutes;
Second step: stirring velocity is reduced to 500～600 commentaries on classics/min; Add successively hydroxyl aqueous acrylic emulsion, aqueous polyethylene wax dispenser, polyether modified silicon oil, fluoridize organosilicon, propylene glycol monomethyl ether, ethanol and polyether siloxane copolymers; Stirred 25～40 minutes, filter with 80～300 eye mesh screens the back that is uniformly dispersed;
The preparation of B component:
Each prescription of B component is dropped in the container, 50～150 commentaries on classics/min stirring at low speed 3～5 minutes, filter with 200～300 eye mesh screens the back that is uniformly dispersed;
During use component A is mixed with B component, the mixed weight ratio is component A: B component=10: 1, stirring at normal temperature is even.
The automobile-used sealed strip coating of special-purpose aqueous pair of component of embodiment 9 colored articles
Component A comprises by mass percentage:
The aliphatics aqueous pu dispersions comprises:
Ionic aliphatics aqueous pu dispersions (solid content 30%) 37%
Non-ionic type aliphatics aqueous pu dispersions (solid content 20%) 1.5%
Aqueous polyethylene wax dispenser (solid content 20%) 20%
Functional material:
Silicon-dioxide, particle diameter 2～5 μ 1%
Slipenhancing material comprises:
Emulsifying water polymer silicone resin 3%
Polyether modified silicon oil 2%
Fluoridize organosilicon (solid content 30%) 2%
Filler:
Aerosil 1%
Special addition agent comprises
Polydimethyl silane 0.2%
Polyether siloxane copolymers 2%
Solvent comprises:
Water 15.3%
Propylene glycol monomethyl ether 5%
Ethanol 10%;
B component comprises by mass percentage:
Wetting ability aliphatic polymeric isocyanate 85% based on hexamethylene diisocyanate
Diethylene Glycol monobutyl ether acetate 15%
The preparation method comprises the steps:
The preparation of component A:
The first step: will water, polydimethyl silane, emulsifying water polymer silicone resin and ionic aliphatics aqueous pu dispersions be dropped in the dispersion cup by prescription; Stirring velocity is 500～600 commentaries on classics/min; In whipping process, add non-ionic type aliphatics aqueous pu dispersions, aerosil and silicon-dioxide successively, 2000～3000 commentaries on classics/min high speed dispersion 8～15 minutes;
Second step: stirring velocity is reduced to 500～600 commentaries on classics/min; Add aqueous polyethylene wax dispenser, polyether modified silicon oil successively, fluoridize organosilicon, propylene glycol monomethyl ether, ethanol and polyether siloxane copolymers; Stirred 25～40 minutes, filter with 80～300 eye mesh screens the back that is uniformly dispersed;
The preparation of B component:
Each prescription of B component is dropped in the container, 50～150 commentaries on classics/min stirring at low speed 3～5 minutes, filter with 200～300 eye mesh screens the back that is uniformly dispersed;
During use component A is mixed with B component, the mixed weight ratio is component A: B component=10: 1, stirring at normal temperature is even.
The automobile-used rubber seal coating of special-purpose aqueous pair of component of embodiment 10 glass runs
Component A comprises by mass percentage:
The aliphatics aqueous pu dispersions comprises:
The aqueous acrylic emulsion of hydroxyl comprises:
Methyl-etherified aminoresin (BASF LUWIPAL 066) 3.2%
Functional material comprises:
The aqueous dispersion type poly (methyl methacrylate) micro-sphere, particle diameter 20～65 μ 2%
The aqueous dispersion type poly (methyl methacrylate) micro-sphere, particle diameter 1.8～15 μ 8%
Slipenhancing material comprises:
Emulsifying water polymer silicone resin 3%
Polyether modified silicon oil 2%
Fluoridize organosilicon (solid content 30%) 2%
Filler:
Aerosil 1%
Pigment slurry:
Carbon black slurry (solid content 10%) 1%
Special addition agent comprises:
Polydimethyl silane 0.2%
Polyether siloxane copolymers 2%
Solvent comprises:
B component comprises by mass percentage:
Wetting ability aliphatic polymeric isocyanate 85% based on hexamethylene diisocyanate
Diethylene Glycol monobutyl ether acetate 15%
The preparation method comprises the steps:
The preparation of component A:
The first step: will water, polydimethyl silane, emulsifying water polymer silicone resin and ionic aliphatics aqueous pu dispersions be dropped in the dispersion cup by prescription; Stirring velocity is 500～600 commentaries on classics/min; In whipping process, add non-ionic type aliphatics aqueous pu dispersions, polybutadiene-base aliphatics aqueous pu dispersions, polyamide wax pulp, aerosil and aqueous dispersion type poly (methyl methacrylate) micro-sphere successively, 2000～3000 commentaries on classics/min high speed dispersion 8～15 minutes;
Second step: stirring velocity is reduced to 500～600 commentaries on classics/min; Add carbon black slurry, methyl-etherified aminoresin, polyether modified silicon oil successively, fluoridize organosilicon, propylene glycol monomethyl ether, ethanol, Virahol and polyether siloxane copolymers; Stirred 25～40 minutes, filter with 80～300 eye mesh screens the back that is uniformly dispersed;
The preparation of B component:
Each prescription of B component is dropped in the container, 50～150 commentaries on classics/min stirring at low speed 3～5 minutes, filter with 200～300 eye mesh screens the back that is uniformly dispersed;
During use component A is mixed with B component, the mixed weight ratio is component A: B component=10: 1, stirring at normal temperature is even.
Coating of the present invention is coated on the automobile-used rubber seal, automobile-used sealed strip is tested, the result is as shown in table 1:
Table 1
Claims (8)
1. the aqueous bi-component coating of an automobile-used rubber seal, component A is matrix resin with the aqueous polyurethane, B component is a linking agent, it is characterized in that:
Component A comprises by mass percentage:
Aliphatics aqueous pu dispersions 26～55%
Polyamide wax pulp and/or aqueous polyethylene wax dispenser
Wherein, when using polyamide wax pulp separately, consumption is 4～5%;
When using the aqueous polyethylene wax dispenser separately, consumption is 4～20%;
When polyamide wax pulp and aqueous polyethylene wax dispenser used jointly, polyamide wax pulp was 4～5%, and the aqueous polyethylene wax dispenser is 4～5%;
The water-base resin that contains active function groups
Aqueous polyurethane emulsion or methyl-etherified aminoresin that the described water-base resin that contains active function groups is water-based hydroxyl Emulsion acrylic resin, hydroxyl,
Wherein, when using the water-based hydroxyl Emulsion acrylic resin, consumption is 2～10%;
When using the aqueous polyurethane emulsion of hydroxyl, consumption is 2～10%;
When using methyl-etherified aminoresin, consumption is 0.5～5%;
Functional material 1～10%
Slipenhancing material 5～10%
Filler 0.1～2%
Pigment slurry 0～3%
Special addition agent 1.5～6%
Solvent 15～45%;
Described functional material is a kind of in high-abrasive material, the extinction material, and wherein, described high-abrasive material is one or more in aqueous dispersion type poly (methyl methacrylate) micro-sphere, the polytetrafluorethylepowder powder; Described extinction material is a SiO 2 powder;
Described special addition agent comprises by component A mass percent:
Polydimethyl silane 0.1～0.4%
Polyethers-silane copolymer 1.5～2.5%
Sticking power promotes resin 0～3%;
B component comprises by mass percentage:
Wetting ability aliphatic polymeric isocyanate 70～90% based on hexamethylene diisocyanate
Diethylene Glycol monobutyl ether acetate 10～30%
Aromatic diisocyanate 0～5%.
2. the aqueous bi-component coating of automobile-used rubber seal according to claim 1, it is characterized in that: described aliphatics aqueous pu dispersions comprises by component A mass percent:
Ionic aliphatics aqueous pu dispersions 25～50%
Non-ionic type aliphatics aqueous pu dispersions 1～3%
Polybutadiene-base aliphatics aqueous pu dispersions 0～10%.
3. the aqueous bi-component coating of automobile-used rubber seal according to claim 1, it is characterized in that: the solid content of said polyamide wax pulp is 4～10%; The solid content of said aqueous polyethylene wax dispenser is 15～25%.
4. the aqueous bi-component coating of automobile-used rubber seal according to claim 1, it is characterized in that: described slipenhancing material comprises by component A mass percent:
Emulsifying water polymer silicone resin 2～4%
Polyether modified silicon oil 1～3%
Fluoridize organosilicon 2～5%.
5. the aqueous bi-component coating of automobile-used rubber seal according to claim 1, it is characterized in that: described filler is one or more in the high-weatherability organic or inorganic filler; Described pigment slurry is the carbon black slurry, and solid content is 10～60%.
6. the aqueous bi-component coating of automobile-used rubber seal according to claim 5, it is characterized in that: described high-weatherability organic filler is a carbon black, the high-weatherability mineral filler is an aerosil.
7. the aqueous bi-component coating of automobile-used rubber seal according to claim 1, it is characterized in that: described solvent comprises by component A mass percent:
Water 3～30%
Propylene glycol monomethyl ether 5～10%
Ethanol 0～15%
Virahol 0～5%.
8. be directed against the preparation method of the aqueous bi-component coating of the described automobile-used rubber seal of claim 1, it is characterized in that:
Described slipenhancing material comprises by component A mass percent:
Emulsifying water polymer silicone resin 2～4%
Polyether modified silicon oil 1～3%
Fluoridize organosilicon 2～5%;
Described special addition agent comprises by component A mass percent:
Polydimethyl silane 0.1～0.4%
Polyethers-silane copolymer 1.5～2.5%
Sticking power promotes resin 0～3%;
Described solvent comprises by component A mass percent:
Water 3～30%
Propylene glycol monomethyl ether 5～10%
Ethanol 0～15%
Virahol 0～5%;
The preparation of component A:
The first step: the water in the solvent, the polydimethyl silane in the special addition agent, emulsifying water polymer silicone resin and the part aliphatics aqueous pu dispersions in the slipenhancing material are dropped in the dispersion cup by prescription; Stirring velocity is 500～600 commentaries on classics/min; In whipping process, add remaining aliphatics aqueous pu dispersions, polyamide wax pulp, filler and functional material, 2000～3000 commentaries on classics/min high speed dispersion 8～15 minutes;
Second step: stirring velocity is reduced to 500～600 commentaries on classics/min; Add pigment slurry, the water-base resin that contains active function groups, aqueous polyethylene wax dispenser, residue slipenhancing material, residual solvent and residue special addition agent; Stirred 25～40 minutes, filter with 80～300 eye mesh screens the back that is uniformly dispersed;
The preparation of B component:
Each prescription of B component is dropped in the container, 50～150 commentaries on classics/min stirring at low speed 3～5 minutes, filter with 200～300 eye mesh screens the back that is uniformly dispersed;
During use component A is mixed with B component, the mixed weight ratio is component A: B component=9～11:1, stirring at normal temperature is even.
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| CN102585681B (en) * | 2012-02-08 | 2014-04-16 | 上海三恩化工有限公司 | Coating for automobile sealing strip and preparation method thereof |
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| CN103724917A (en) * | 2013-12-06 | 2014-04-16 | 成都闿阳科技有限公司 | Flame-retardant sealing strip for automobile |
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| CN104152026A (en) * | 2014-07-25 | 2014-11-19 | 上海蓝欧化工科技有限公司 | Wear-resistant paint |
| CN105402448A (en) * | 2015-11-26 | 2016-03-16 | 成都九十度工业产品设计有限公司 | Material opening sealing device |
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