CN105238255B - A kind of oil-resisting and heat-resisting modified polyurethane paint - Google Patents
A kind of oil-resisting and heat-resisting modified polyurethane paint Download PDFInfo
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- CN105238255B CN105238255B CN201510655188.8A CN201510655188A CN105238255B CN 105238255 B CN105238255 B CN 105238255B CN 201510655188 A CN201510655188 A CN 201510655188A CN 105238255 B CN105238255 B CN 105238255B
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Abstract
The invention discloses a kind of oil-resisting and heat-resisting modified polyurethane paint, its raw material includes by weight：80 120 parts of modified aqueous polyurethane dispersoid, 30 60 parts of acrylate, 9 16 parts of diisocyanate, 10 30 parts of alkyd resin, 5 15 parts of dipropylene, 28 parts of organic siliconresin, 36 parts of chlorinated rubber, 49 parts of chlorinated paraffin, 15 parts of iron oxide red, 24 parts of nitrocotton, 15 parts of glass fibre, 28 parts of nano-calcium carbonate, 28 parts of mica powder, 15 parts of graphite powder, 49 parts of magnesia, 37 parts of n-octyl alcohol, 49 parts of lauryl alcohol, 26 parts of hexadecanol, 15 parts of polymer diatomic alcohol, 37 parts of polyether diatomic alcohol containing fluorine, 49 parts of compatilizer, 24 parts of emulsifying agent, 36 parts of foaming agent, 48 parts of silane coupler, 19 parts of curing agent, 5 16 parts of silicone oil.The oil-resisting and heat-resisting modified polyurethane paint of the present invention has excellent oil resistant and heat resistance.
Description
Technical field
The present invention relates to paint field, more particularly to a kind of oil-resisting and heat-resisting modified polyurethane paint.
Background technology
At present, polyurethane coating is a kind of coating more typical at present, can be divided into bicomponent polyurethane coating and single group
Divide polyurethane coating.Bicomponent polyurethane coating is usually (to be also low molecule urethane polymerization by isocyanate prepolymer
Thing) and hydroxy-containing resin two parts composition, commonly referred to as curing agent component and host component.This-various types of class coating, should
It is also very wide with scope, acroleic acid polyurethane, alcohol acid and polyurethane, polyester-polyurethane, poly- can be divided into according to the difference of hydroxy-containing component
The kinds such as ether polyurethane, epoxy polyurethane.Typically all there is good mechanical performance, higher solids content, the property of each side
Can be all relatively good.It is current rising-class coating variety.Main application direction has woodwork coating, car repair to apply
Material, anticorrosive paint, floor paint, electronic paint, sapecial coating, polyurethane water-proof paint etc..Shortcoming is working procedure complexity, to applying
Work environmental requirement is very high, and paint film easily produces disadvantage.One-can urethane coating mainly has the poly- ammonia of urethane oil paint, moisture solidification
The kinds such as ester paint, blocked polyurethane paint.Application surface is wide not as two-component coating, is mainly used in floor paint, anti-corrosion applies
Material, pre- coil coating etc., its overall performance are comprehensive not as two-component coating.
In the prior art, the oil resistant of polyurethane coating and heat resistance can not meet the needs of actual production, therefore need badly
Develop a kind of polyurethane coating with oil resistant and heat resistance.
The content of the invention
To solve technical problem present in background technology, the present invention proposes a kind of oil-resisting and heat-resisting modified polyurethane paint,
With excellent oil resistant and heat resistance.
A kind of oil-resisting and heat-resisting modified polyurethane paint proposed by the present invention, its raw material include by weight：Modified water-soluble gathers
Urethane dispersion 80-120 parts, acrylate 30-60 parts, diisocyanate 9-16 parts, alkyd resin 10-30 parts, DPG
Butyl ether 5-15 parts, organic siliconresin 2-8 parts, chlorinated rubber 3-6 parts, chlorinated paraffin 4-9 parts, iron oxide red 1-5 parts, nitrocotton 2-
4 parts, glass fibre 1-5 parts, nano-calcium carbonate 2-8 parts, mica powder 2-8 parts, graphite powder 1-5 parts, magnesia 4-9 parts, n-octyl alcohol
3-7 parts, lauryl alcohol 4-9 parts, hexadecanol 2-6 parts, polymer diatomic alcohol 1-5 parts, polyether diatomic alcohol containing fluorine 3-7 parts, compatilizer 4-9
Part, emulsifying agent 2-4 parts, foaming agent 3-6 parts, silane coupler 4-8 parts, curing agent 1-9 parts, silicone oil 5-16 parts.
Preferably, modified aqueous polyurethane dispersoid is prepared by following technique：By polytetramethylene ether diol, two ends
Hydroxyl butyl dimethyl silicone polymer and IPDI are well mixed, and are warming up to 85-95 DEG C, are incubated 20-50min,
It is cooled to room temperature and obtains material a, material a is warming up to 35-45 DEG C, then add 2,2- dihydromethyl propionic acids and be well mixed, rises
Temperature is incubated 10-30min, is cooled to room temperature and obtains material b, material b is warming up into 40-50 DEG C, then adds third to 75-85 DEG C
Ketone, pentaerythritol diacrylate, l, 4- butanediols, polymerization inhibitor and catalyst are well mixed, and are warming up to 65-75 DEG C, are incubated 30-
50min, is cooled to room temperature and obtains material c, and material c is warming up into 35-45 DEG C, then adds hydroxy-ethyl acrylate and is well mixed,
55-65 DEG C is warming up to, 30-50min is incubated, is cooled to room temperature and obtains material d, material d is warming up to 55-65 DEG C, then added
Acetone and deionized water are well mixed, and are warming up to 85-95 DEG C, are incubated 20-40min, are then carried out vacuum distillation removing and are removed acetone,
It is cooled to room temperature and obtains modified aqueous polyurethane dispersoid.
Preferably, in the preparation technology of modified aqueous polyurethane dispersoid, the solid content of modified aqueous polyurethane dispersoid
For 30-40%, pH value 7-8, resin number-average molecular weight is 20000-22000.
Preferably, in the preparation technology of modified aqueous polyurethane dispersoid, polytetramethylene ether diol, dihydroxybutyl gather
Dimethyl siloxane, IPDI, 2,2- dihydromethyl propionic acids, pentaerythritol diacrylate, l, 4- fourths two
Alcohol, polymerization inhibitor, catalyst, the weight ratio of hydroxy-ethyl acrylate and deionized water are 8-15：2-6：1-4：2-5：3-6：4-8：3-
9：1-5：2-4：2-6.
Preferably, the weight ratio of modified aqueous polyurethane dispersoid, acrylate, diisocyanate and alkyd resin is
85-115：35-55：10-15：15-25.
Preferably, dipropylene, organic siliconresin, chlorinated rubber, chlorinated paraffin, iron oxide red, nitrocotton, glass
Fiber, nano-calcium carbonate, mica powder, graphite powder, magnesia, n-octyl alcohol, lauryl alcohol, hexadecanol, polymer diatomic alcohol and fluorine-containing
The weight ratio of polyether Glycols is 8-12：3-7：4-5：5-8：2-4：2.5-3.5：2-4：3-7：3-7：2-4：5-8：4-6：5-8：
3-5：2-4：4-6.
Preferably, modified aqueous polyurethane dispersoid 85-115 parts, acrylate 35-55 parts, diisocyanate 10-15
Part, alkyd resin 15-25 parts, dipropylene 8-12 parts, organic siliconresin 3-7 parts, chlorinated rubber 4-5 parts, chlorinated paraffin
5-8 parts, iron oxide red 2-4 parts, nitrocotton 2.5-3.5 parts, glass fibre 2-4 parts, nano-calcium carbonate 3-7 parts, mica powder 3-7
Part, graphite powder 2-4 parts, magnesia 5-8 parts, n-octyl alcohol 4-6 parts, lauryl alcohol 5-8 parts, hexadecanol 3-5 parts, polymer diatomic alcohol 2-
4 parts, polyether diatomic alcohol containing fluorine 4-6 parts, compatilizer 5-8 parts, emulsifying agent 2.5-3.5 parts, foaming agent 4-5 parts, silane coupler 5-7
Part, curing agent 2-8 parts, silicone oil 7-14 parts.
A kind of oil-resisting and heat-resisting modified polyurethane paint of the present invention, its raw material include modified aqueous polyurethane dispersoid, third
Olefin(e) acid ester, diisocyanate, alkyd resin, organic siliconresin, chlorinated rubber, dipropylene, chlorinated paraffin, iron oxide
Red, nitrocotton, glass fibre, nano-calcium carbonate, mica powder, graphite powder, magnesia, n-octyl alcohol, lauryl alcohol, hexadecanol, polymerization
Thing dihydric alcohol, polyether diatomic alcohol containing fluorine, compatilizer, emulsifying agent, foaming agent, silane coupler, curing agent and silicone oil, pass through modification
Aqueous polyurethane dispersion is as major ingredient, auxiliary addition acrylate, diisocyanate, alkyd resin, organic siliconresin and chlorine
Change adjunct of the rubber as major ingredient, make modified aqueous polyurethane dispersoid that there is excellent oil resistivity and heat resistance；Add
The dipropylene that adds, chlorinated paraffin, iron oxide red, nitrocotton, glass fibre, nano-calcium carbonate, mica powder, graphite powder and
Magnesia effectively increases the anti-wear performance of oil-resisting and heat-resisting modified polyurethane paint of the present invention as filler, wherein iron oxide red,
The addition of nitrocotton, mica powder and magnesia, effectively increase the heat resistance of oil-resisting and heat-resisting modified polyurethane paint of the present invention；
The n-octyl alcohol of addition, lauryl alcohol, hexadecanol, polymer diatomic alcohol, polyether diatomic alcohol containing fluorine, compatilizer, emulsifying agent, foaming agent,
Silane coupler, curing agent and silicone oil can effectively improve the comprehensive of oil-resisting and heat-resisting modified polyurethane paint of the present invention as auxiliary agent
Performance is closed, the addition of wherein polyether diatomic alcohol containing fluorine effectively increases the oil resistivity of oil-resisting and heat-resisting modified polyurethane paint of the present invention
Energy.Oil-resisting and heat-resisting modified polyurethane paint of the present invention has excellent oil resistant and heat resistance.
Embodiment
The present invention is described in detail with reference to specific embodiment, it should be appreciated that embodiment is served only for illustrating this hair
It is bright, rather than for limiting the invention, any modification made on the basis of the present invention, equivalent substitution etc. are in this hair
In bright protection domain.
In embodiment, the parts by weight of modified aqueous polyurethane dispersoid can be 80 parts, 82 parts, 85 parts, 88 parts,
90 parts, 92 parts, 95 parts, 98 parts, 100 parts, 115 parts, 118 parts, 120 parts；The parts by weight of acrylate can be 30 parts, 35 parts,
40 parts, 45 parts, 50 parts, 55 parts, 60 parts；The parts by weight of diisocyanate can be 9 parts, 10 parts, 11 parts, 12 parts, 13 parts, 14
Part, 15 parts, 16 parts；The parts by weight of alkyd resin can be 10 parts, 11 parts, 12 parts, 13 parts, 14 parts, 15 parts, 16 parts, 17 parts, 18
Part, 19 parts, 20 parts, 21 parts, 22 parts, 23 parts, 24 parts, 25 parts, 26 parts, 27 parts, 28 parts, 29 parts, 30 parts；Dipropylene
Parts by weight can be 5 parts, 6 parts, 7 parts, 8 parts, 9 parts, 10 parts, 11 parts, 12 parts, 13 parts, 14 parts, 15 parts；The weight of organic siliconresin
It can be 2 parts, 3 parts, 4 parts, 5 parts, 6 parts, 7 parts, 8 parts to measure part；The parts by weight of chlorinated rubber can be 3 parts, 3.5 parts, 4 parts, 4.5
Part, 5 parts, 5.5 parts, 6 parts；The parts by weight of chlorinated paraffin can be 4 parts, 4.5 parts, 5 parts, 5.5 parts, 6 parts, 6.5 parts, 7 parts, 7.5
Part, 8 parts, 8.5 parts, 9 parts；The parts by weight of iron oxide red can be 1 part, 2 parts, 3 parts, 4 parts, 5 parts；The parts by weight of nitrocotton can be with
For 2 parts, 2.5 parts, 3 parts, 3.5 parts, 4 parts；The parts by weight of glass fibre can be 1 part, 2 parts, 3 parts, 4 parts, 5 parts；Nano-calcium carbonate
The parts by weight of calcium can be 2 parts, 3 parts, 4 parts, 5 parts, 6 parts, 7 parts, 8 parts；The parts by weight of mica powder can be 2 parts, 3 parts, 4 parts, 5
Part, 6 parts, 7 parts, 8 parts；The parts by weight of graphite powder can be 1 part, 2 parts, 3 parts, 4 parts, 5 parts；The parts by weight of magnesia can be 4
Part, 4.5 parts, 5 parts, 5.5 parts, 6 parts, 6.5 parts, 7 parts, 7.5 parts, 8 parts, 8.5 parts, 9 parts；The parts by weight of n-octyl alcohol can be 3 parts,
3.5 parts, 4 parts, 4.5 parts, 5 parts, 5.5 parts, 6 parts, 6.5 parts, 7 parts；The parts by weight of lauryl alcohol can be 4 parts, 4.5 parts, 5 parts, 5.5
Part, 6 parts, 6.5 parts, 7 parts, 7.5 parts, 8 parts, 8.5 parts, 9 parts；The parts by weight of hexadecanol can be 2 parts, 2.5 parts, 3 parts, 3.5 parts,
4 parts, 4.5 parts, 5 parts, 5.5 parts, 6 parts；The parts by weight of polymer diatomic alcohol can be 1 part, 2 parts, 3 parts, 4 parts, 5 parts；It is fluorine-containing poly-
The parts by weight of ether dihydric alcohol can be 3 parts, 4 parts, 5 parts, 6 parts, 7 parts；The parts by weight of compatilizer can be 4 parts, 4.5 parts, 5 parts,
5.5 parts, 6 parts, 6.5 parts, 7 parts, 7.5 parts, 8 parts, 8.5 parts, 9 parts；The parts by weight of emulsifying agent can be 2 parts, 2.5 parts, 3 parts, 3.5
Part, 4 parts；The parts by weight of foaming agent can be 3 parts, 3.5 parts, 4 parts, 4.5 parts, 5 parts, 5.5 parts, 6 parts；The weight of silane coupler
Part can be 4 parts, 5 parts, 6 parts, 7 parts, 8 parts；The parts by weight of curing agent can be 1 part, 2 parts, 3 parts, 4 parts, 5 parts, 6 parts, 7 parts, 8
Part, 9 parts；The parts by weight of silicone oil can be 5 parts, 5.5 parts, 6 parts, 6.5 parts, 7 parts, 7.5 parts, 8 parts, 8.5 parts, 9 parts, 9.5 parts, 10
Part, 10.5 parts, 11 parts, 11.5 parts, 12 parts, 12.5 parts, 13 parts, 13.5 parts, 14 parts, 15 parts, 15.5 parts, 16 parts.
Embodiment 1
A kind of oil-resisting and heat-resisting modified polyurethane paint proposed by the present invention, its raw material include by weight：Modified water-soluble gathers
100 parts of urethane dispersion, 45 parts of acrylate, 12.5 parts of diisocyanate, 20 parts of alkyd resin, 10 parts of dipropylene,
5 parts of organic siliconresin, 4.5 parts of chlorinated rubber, 6.5 parts of chlorinated paraffin, 3 parts of iron oxide red, 3 parts of nitrocotton, 3 parts of glass fibre,
5 parts of nano-calcium carbonate, 5 parts of mica powder, 3 parts of graphite powder, 6.5 parts of magnesia, 5 parts of n-octyl alcohol, 6.5 parts of lauryl alcohol, hexadecanol 4
Part, 3 parts of polymer diatomic alcohol, 5 parts of polyether diatomic alcohol containing fluorine, 6.5 parts of compatilizer, 3 parts of emulsifying agent, 4.5 parts of foaming agent, silane are even
Join 6 parts of agent, 5 parts of curing agent, 10.5 parts of silicone oil.
Modified aqueous polyurethane dispersoid is prepared by following technique：By weight by 11.5 parts of polytetramethylene ethers two
Alcohol, 4 parts of DHPDMSs and 2.5 parts of IPDIs are well mixed, and are warming up to 90 DEG C, are protected
Warm 35min, is cooled to room temperature and obtains material a, and material a is warming up into 40 DEG C, then adds 3.5 parts of 2,2- dihydromethyl propionic acids and mixes
Close uniformly, be warming up to 80 DEG C, be incubated 20min, be cooled to room temperature and obtain material b, material b is warming up to 45 DEG C, then adds third
Ketone, 4.5 parts of pentaerythritol diacrylates, 6 parts of l, 4- butanediols, 6 parts of polymerization inhibitors and 3 parts of catalyst are well mixed, are warming up to
70 DEG C, 40min is incubated, room temperature is cooled to and obtains material c, material c is warming up to 40 DEG C, then add 3 parts of hydroxy-ethyl acrylates
It is well mixed, 60 DEG C are warming up to, 40min is incubated, is cooled to room temperature and obtains material d, material d is warming up to 60 DEG C, then added
Acetone and 4 parts of deionized waters are well mixed, and are warming up to 90 DEG C, are incubated 30min, are then carried out vacuum distillation removing and are removed acetone, cold
But it is 35% to obtain solid content to room temperature, and pH value 7.5, the modified aqueous polyurethane that resin number-average molecular weight is 21000 disperses
Body.
Embodiment 2
A kind of oil-resisting and heat-resisting modified polyurethane paint proposed by the present invention, its raw material include by weight：Modified water-soluble gathers
80 parts of urethane dispersion, 60 parts of acrylate, 9 parts of diisocyanate, 30 parts of alkyd resin, 5 parts of dipropylene, organosilicon
8 parts of resin, 3 parts of chlorinated rubber, 9 parts of chlorinated paraffin, 1 part of iron oxide red, 4 parts of nitrocotton, 1 part of glass fibre, nano-calcium carbonate 8
Part, 2 parts of mica powder, 5 parts of graphite powder, 4 parts of magnesia, 7 parts of n-octyl alcohol, 4 parts of lauryl alcohol, 6 parts of hexadecanol, polymer diatomic alcohol 1
Part, 7 parts of polyether diatomic alcohol containing fluorine, 4 parts of compatilizer, 4 parts of emulsifying agent, 3 parts of foaming agent, 8 parts of silane coupler, 1 part of curing agent, silicon
16 parts of oil.
Modified aqueous polyurethane dispersoid is prepared by following technique：By weight by 8 parts of polytetramethylene ether diols,
6 parts of DHPDMSs and 1 part of IPDI are well mixed, and are warming up to 95 DEG C, insulation
20min, is cooled to room temperature and obtains material a, and material a is warming up into 45 DEG C, and it is equal then to add 2 parts of 2,2- dihydromethyl propionic acids mixing
It is even, 85 DEG C are warming up to, 10min is incubated, is cooled to room temperature and obtains material b, material b is warming up to 50 DEG C, then adds acetone, 3
Part pentaerythritol diacrylate, 8 parts of l, 4- butanediols, 3 parts of polymerization inhibitors and 5 parts of catalyst are well mixed, and are warming up to 65 DEG C, are protected
Warm 50min, is cooled to room temperature and obtains material c, and material c is warming up into 35 DEG C, and it is equal then to add 4 parts of hydroxy-ethyl acrylate mixing
It is even, 55 DEG C are warming up to, 50min is incubated, is cooled to room temperature and obtains material d, material d is warming up to 55 DEG C, then adds acetone and 6
Part deionized water is well mixed, and is warming up to 85 DEG C, is incubated 40min, is then carried out vacuum distillation removing and is removed acetone, is cooled to room temperature
It is 30% to obtain solid content, pH value 8, and resin number-average molecular weight is 20000 modified aqueous polyurethane dispersoid.
Embodiment 3
A kind of oil-resisting and heat-resisting modified polyurethane paint proposed by the present invention, its raw material include by weight：Modified water-soluble gathers
120 parts of urethane dispersion, 30 parts of acrylate, 16 parts of diisocyanate, 10 parts of alkyd resin, 15 parts of dipropylene, have
2 parts of machine silicones, 6 parts of chlorinated rubber, 4 parts of chlorinated paraffin, 5 parts of iron oxide red, 2 parts of nitrocotton, 5 parts of glass fibre, nano-sized carbon
Sour 2 parts of calcium, 8 parts of mica powder, 1 part of graphite powder, 9 parts of magnesia, 3 parts of n-octyl alcohol, 9 parts of lauryl alcohol, 2 parts of hexadecanol, polymer two
First 5 parts of alcohol, 3 parts of polyether diatomic alcohol containing fluorine, 9 parts of compatilizer, 2 parts of emulsifying agent, 6 parts of foaming agent, 4 parts of silane coupler, curing agent 9
Part, 5 parts of silicone oil.
Modified aqueous polyurethane dispersoid is prepared by following technique：By weight by 15 parts of polytetramethylene ethers two
Alcohol, 2 parts of DHPDMSs and 4 parts of IPDIs are well mixed, and are warming up to 85 DEG C, insulation
50min, is cooled to room temperature and obtains material a, and material a is warming up into 35 DEG C, and it is equal then to add 5 parts of 2,2- dihydromethyl propionic acids mixing
It is even, 75 DEG C are warming up to, 30min is incubated, is cooled to room temperature and obtains material b, material b is warming up to 40 DEG C, then adds acetone, 6
Part pentaerythritol diacrylate, 4 parts of l, 4- butanediols, 9 parts of polymerization inhibitors and 1 part of catalyst are well mixed, and are warming up to 75 DEG C, are protected
Warm 30min, is cooled to room temperature and obtains material c, and material c is warming up into 45 DEG C, and it is equal then to add 2 parts of hydroxy-ethyl acrylate mixing
It is even, 65 DEG C are warming up to, 30min is incubated, is cooled to room temperature and obtains material d, material d is warming up to 65 DEG C, then adds acetone and 2
Part deionized water is well mixed, and is warming up to 95 DEG C, is incubated 20min, is then carried out vacuum distillation removing and is removed acetone, is cooled to room temperature
It is 40% to obtain solid content, pH value 7, and resin number-average molecular weight is 22000 modified aqueous polyurethane dispersoid.
Embodiment 4
A kind of oil-resisting and heat-resisting modified polyurethane paint proposed by the present invention, its raw material include by weight：Modified water-soluble gathers
It is 85 parts of urethane dispersion, 55 parts of acrylate, 10 parts of diisocyanate, 25 parts of alkyd resin, 8 parts of dipropylene, organic
7 parts of silicones, 4 parts of chlorinated rubber, 8 parts of chlorinated paraffin, 2 parts of iron oxide red, 3.5 parts of nitrocotton, 2 parts of glass fibre, nano-sized carbon
Sour 7 parts of calcium, 3 parts of mica powder, 4 parts of graphite powder, 5 parts of magnesia, 6 parts of n-octyl alcohol, 5 parts of lauryl alcohol, 5 parts of hexadecanol, polymer two
First 2 parts of alcohol, 6 parts of polyether diatomic alcohol containing fluorine, 5 parts of compatilizer, 3.5 parts of emulsifying agent, 4 parts of foaming agent, 7 parts of silane coupler, solidification
2 parts of agent, 14 parts of silicone oil.
Modified aqueous polyurethane dispersoid is prepared by following technique：By weight by 9 parts of polytetramethylene ether diols,
5 parts of DHPDMSs and 2 parts of IPDIs are well mixed, and are warming up to 92 DEG C, insulation
25min, is cooled to room temperature and obtains material a, and material a is warming up into 42 DEG C, and it is equal then to add 3 parts of 2,2- dihydromethyl propionic acids mixing
It is even, 82 DEG C are warming up to, 15min is incubated, is cooled to room temperature and obtains material b, material b is warming up to 48 DEG C, then adds acetone, 4
Part pentaerythritol diacrylate, 7 parts of l, 4- butanediols, 4 parts of polymerization inhibitors and 4 parts of catalyst are well mixed, and are warming up to 68 DEG C, are protected
Warm 45min, is cooled to room temperature and obtains material c, and material c is warming up into 38 DEG C, and it is equal then to add 3.5 parts of hydroxy-ethyl acrylate mixing
It is even, 58 DEG C are warming up to, 45min is incubated, is cooled to room temperature and obtains material d, material d is warming up to 58 DEG C, then adds acetone and 5
Part deionized water is well mixed, and is warming up to 88 DEG C, is incubated 35min, is then carried out vacuum distillation removing and is removed acetone, is cooled to room temperature
It is 32% to obtain solid content, pH value 7.8, and resin number-average molecular weight is 20500 modified aqueous polyurethane dispersoid.
Embodiment 5
A kind of oil-resisting and heat-resisting modified polyurethane paint proposed by the present invention, its raw material include by weight：Modified water-soluble gathers
115 parts of urethane dispersion, 35 parts of acrylate, 15 parts of diisocyanate, 15 parts of alkyd resin, 12 parts of dipropylene, have
3 parts of machine silicones, 5 parts of chlorinated rubber, 5 parts of chlorinated paraffin, 4 parts of iron oxide red, 2.5 parts of nitrocotton, glass fibre 4 part, nanometer
3 parts of calcium carbonate, 7 parts of mica powder, 2 parts of graphite powder, 8 parts of magnesia, 4 parts of n-octyl alcohol, 8 parts of lauryl alcohol, 3 parts of hexadecanol, polymer
It is 4 parts of dihydric alcohol, 4 parts of polyether diatomic alcohol containing fluorine, 8 parts of compatilizer, 2.5 parts of emulsifying agent, 5 parts of foaming agent, 5 parts of silane coupler, solid
8 parts of agent, 7 parts of silicone oil.
Modified aqueous polyurethane dispersoid is prepared by following technique：By weight by 14 parts of polytetramethylene ethers two
Alcohol, 3 parts of DHPDMSs and 3 parts of IPDIs are well mixed, and are warming up to 88 DEG C, insulation
45min, is cooled to room temperature and obtains material a, and material a is warming up into 38 DEG C, and it is equal then to add 4 parts of 2,2- dihydromethyl propionic acids mixing
It is even, 78 DEG C are warming up to, 25min is incubated, is cooled to room temperature and obtains material b, material b is warming up to 42 DEG C, then adds acetone, 5
Part pentaerythritol diacrylate, 5 parts of l, 4- butanediols, 8 parts of polymerization inhibitors and 2 parts of catalyst are well mixed, and are warming up to 72 DEG C, are protected
Warm 35min, is cooled to room temperature and obtains material c, and material c is warming up into 42 DEG C, and it is equal then to add 2.5 parts of hydroxy-ethyl acrylate mixing
It is even, 62 DEG C are warming up to, 35min is incubated, is cooled to room temperature and obtains material d, material d is warming up to 62 DEG C, then adds acetone and 3
Part deionized water is well mixed, and is warming up to 92 DEG C, is incubated 25min, is then carried out vacuum distillation removing and is removed acetone, is cooled to room temperature
It is 38% to obtain solid content, pH value 7.2, and resin number-average molecular weight is 21500 modified aqueous polyurethane dispersoid.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and its
Inventive concept is subject to equivalent substitution or change, should all be included within the scope of the present invention.
Claims (4)
1. a kind of oil-resisting and heat-resisting modified polyurethane paint, it is characterised in that its raw material includes by weight：Modified aqueous polyurethane
Dispersion 80-120 parts, acrylate 30-60 parts, diisocyanate 9-16 parts, alkyd resin 10-30 parts, dipropylene
5-15 parts, organic siliconresin 2-8 parts, chlorinated rubber 3-6 parts, chlorinated paraffin 4-9 parts, iron oxide red 1-5 parts, nitrocotton 2-4 parts,
Glass fibre 1-5 parts, nano-calcium carbonate 2-8 parts, mica powder 2-8 parts, graphite powder 1-5 parts, magnesia 4-9 parts, n-octyl alcohol 3-7
Part, lauryl alcohol 4-9 parts, hexadecanol 2-6 parts, polymer diatomic alcohol 1-5 parts, polyether diatomic alcohol containing fluorine 3-7 parts, compatilizer 4-9 parts,
Emulsifying agent 2-4 parts, foaming agent 3-6 parts, silane coupler 4-8 parts, curing agent 1-9 parts, silicone oil 5-16 parts；
Modified aqueous polyurethane dispersoid is prepared by following technique：By polytetramethylene ether diol, dihydroxybutyl poly- two
Methylsiloxane and IPDI are well mixed, and are warming up to 85-95 DEG C, are incubated 20-50min, are cooled to room temperature
Material a is obtained, material a is warming up to 35-45 DEG C, 2,2- dihydromethyl propionic acids is then added and is well mixed, be warming up to 75-85
DEG C, 10-30min is incubated, room temperature is cooled to and obtains material b, material b is warming up to 40-50 DEG C, then adds acetone, Ji Wusi
Alcohol diacrylate, l, 4- butanediols, polymerization inhibitor and catalyst are well mixed, and are warming up to 65-75 DEG C, are incubated 30-50min, cold
But material c is obtained to room temperature, material c is warming up to 35-45 DEG C, then added hydroxy-ethyl acrylate and be well mixed, be warming up to 55-
65 DEG C, be incubated 30-50min, be cooled to room temperature and obtain material d, material d is warming up to 55-65 DEG C, then add acetone and go from
Sub- water is well mixed, and is warming up to 85-95 DEG C, is incubated 20-40min, is then carried out vacuum distillation removing and is removed acetone, is cooled to room temperature
Obtain modified aqueous polyurethane dispersoid；
In the preparation technology of modified aqueous polyurethane dispersoid, the solid content of modified aqueous polyurethane dispersoid is 30-40%, pH
It is 20000-22000 to be worth for 7-8, resin number-average molecular weight；
In the preparation technology of modified aqueous polyurethane dispersoid, polytetramethylene ether diol, dihydroxybutyl polydimethylsiloxanes
Alkane, IPDI, 2,2- dihydromethyl propionic acids, pentaerythritol diacrylate, l, 4- butanediols, polymerization inhibitor,
The weight ratio of catalyst, hydroxy-ethyl acrylate and deionized water is 8-15：2-6：1-4：2-5：3-6：4-8：3-9：1-5：2-4：
2-6。
2. oil-resisting and heat-resisting modified polyurethane paint according to claim 1, it is characterised in that modified aqueous polyurethane disperses
Body, acrylate, the weight ratio of diisocyanate and alkyd resin are 85-115：35-55：10-15：15-25.
3. oil-resisting and heat-resisting modified polyurethane paint according to claim 1 or 2, it is characterised in that dipropylene, have
Machine silicones, chlorinated rubber, chlorinated paraffin, iron oxide red, nitrocotton, glass fibre, nano-calcium carbonate, mica powder, graphite powder,
Magnesia, n-octyl alcohol, lauryl alcohol, hexadecanol, the weight ratio of polymer diatomic alcohol and polyether diatomic alcohol containing fluorine are 8-12：3-7：4-
5：5-8：2-4：2.5-3.5：2-4：3-7：3-7：2-4：5-8：4-6：5-8：3-5：2-4：4-6.
4. oil-resisting and heat-resisting modified polyurethane paint according to claim 1 or 2, it is characterised in that modified aqueous polyurethane
Dispersion 85-115 parts, acrylate 35-55 parts, diisocyanate 10-15 parts, alkyd resin 15-25 parts, dipropylene
8-12 parts, organic siliconresin 3-7 parts, chlorinated rubber 4-5 parts, chlorinated paraffin 5-8 parts, iron oxide red 2-4 parts, nitrocotton 2.5-
3.5 parts, it is glass fibre 2-4 parts, nano-calcium carbonate 3-7 parts, mica powder 3-7 parts, graphite powder 2-4 parts, magnesia 5-8 parts, just pungent
Alcohol 4-6 parts, lauryl alcohol 5-8 parts, hexadecanol 3-5 parts, polymer diatomic alcohol 2-4 parts, polyether diatomic alcohol containing fluorine 4-6 parts, compatilizer
5-8 parts, emulsifying agent 2.5-3.5 parts, foaming agent 4-5 parts, silane coupler 5-7 parts, curing agent 2-8 parts, silicone oil 7-14 parts.
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| CN201510655188.8A CN105238255B (en) | 2015-10-09 | 2015-10-09 | A kind of oil-resisting and heat-resisting modified polyurethane paint |
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| CN201510655188.8A CN105238255B (en) | 2015-10-09 | 2015-10-09 | A kind of oil-resisting and heat-resisting modified polyurethane paint |
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| CN105238255A CN105238255A (en) | 2016-01-13 |
| CN105238255B true CN105238255B (en) | 2017-12-15 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105775263B (en) * | 2016-04-29 | 2018-06-19 | 国网山东省电力公司汶上县供电公司 | The auxiliary boxing apparatus and packaging system of a kind of larger volume article |
| CN106010180A (en) * | 2016-06-17 | 2016-10-12 | 枞阳县新天地高新材料有限公司 | Waterborne polyurethane coating |
| CN106046973A (en) * | 2016-08-13 | 2016-10-26 | 安庆市荷花化工有限责任公司 | High temperature resistant coating for automobile storage box and preparation method thereof |
| CN106634502A (en) * | 2016-10-11 | 2017-05-10 | 安徽卡塔门窗有限公司 | Easy-to-clean aluminum alloy windows and doors and preparation method thereof |
| CN107118604A (en) * | 2017-04-20 | 2017-09-01 | 常州市阿曼特化工有限公司 | A kind of environment-friendly antibacterial water paint and preparation method thereof |
| CN107964286A (en) * | 2017-11-14 | 2018-04-27 | 安徽建联木业有限公司 | A kind of environmental protection plank paint and preparation method thereof |
| CN107815240A (en) * | 2017-11-21 | 2018-03-20 | 广西吉宽太阳能设备有限公司 | Anti-corrosion coatings for furniture and production method |
| CN108867065A (en) * | 2018-07-03 | 2018-11-23 | 成都海蓉特种纺织品有限公司 | A kind of antiwear assistant and preparation method thereof for textile |
| CN117024897B (en) * | 2023-07-11 | 2024-02-20 | 珠海优亿电子科技有限公司 | Oil-resistant sealing element for transformer and preparation process thereof |
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| CN101372601B (en) * | 2008-10-17 | 2011-09-28 | 洛阳七维防腐工程材料有限公司 | Oil resistant (solvent), heatproof static conducting anti-corrosive paint and preparation thereof |
| CN102504518B (en) * | 2011-11-09 | 2013-07-24 | 温州大学 | Method for preparing nano silicon dioxide/aqueous polyurethane hybrid material |
| CN102504687B (en) * | 2011-11-26 | 2014-05-21 | 上海三恩化工有限公司 | Paint for sealing strip and preparation method thereof |
| CN104293158B (en) * | 2014-10-17 | 2017-06-16 | 上海理工大学 | Prepare the method and fluorochemical urethane anticorrosive paint of fluorocarbon coatings |
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