CN1213112C - Composite resin for paint and its prepn - Google Patents
Composite resin for paint and its prepn Download PDFInfo
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- CN1213112C CN1213112C CN 02138746 CN02138746A CN1213112C CN 1213112 C CN1213112 C CN 1213112C CN 02138746 CN02138746 CN 02138746 CN 02138746 A CN02138746 A CN 02138746A CN 1213112 C CN1213112 C CN 1213112C
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Abstract
The present invention relates to composite resin, particularly to composite resin for paint and a preparation method thereof. The composite resin contains silicate solution, organosilicon solution, organic resin and initiating agents. The core part of the present invention is the favorable performance produced by the full compounding of active organic resin molecular groups and active inorganic silicate molecular groups with the help of the initiating agents. The composite resin of the present invention has the functions of good wear resistance, good duration, good high temperature resistance and good waterproofing and bonding performance; when the composite resin is mixed with conventional pigment, filling materials and auxiliary agents, paint as finished products is obtained, conventional organic solvent, such as benzene, xylene, etc. is not needed, and thus, the composite resin is also new paint which conforms to environmental protection requirements.
Description
Technical field
The present invention relates to a kind of compound resin, particularly a kind of coating compound resin.
Background technology
The starting material of coating are mainly by resin, and pigment, filler, auxiliary agent four class materials are formed.
Coating resin is that caking agent is the core component of coating, and at present domestic reasonable coating caking agent has polyamine lipid, epoxy resin, crylic acid resin, Synolac class, chlorinated rubber class, vinyl, organic fluorine class and through organically-modified all kinds of synthetic resins.
Above various types of resins is based on organic composition, its wear-resisting and endurance quality is outstanding inadequately, by its coating life-span of making generally about the several years, no longer than 15 years, above-mentioned resin has his own strong points, but it is also rare to satisfy the resin of requirement of wear-resisting durable and high temperature resistant, waterproof simultaneously.The coating of being made by above-mentioned resin contains a large amount of organic solvent volatile matters mostly, its VOC index seriously surpasses the national environmental standard requirement, producing, transporting, storing, in the construction process environment and human body are caused bigger injury, be engaged in coating material production for a long time, the personnel of construction have in various degree occupational illness, and production, accumulating, have potential safety hazard in the construction process all the time.
Summary of the invention
The purpose of this invention is to provide a kind of coating compound resin.
Technical scheme of the present invention is:
A kind of coating compound resin contains silicate solutions 60-85 part of weight proportion, organic resin 15-20 part, water 50-150 part, initiator 5-10 part.
Silicate solutions obtains by following method, diameter is that the nano level superfine powder SiO2 hydro-oxidation sodium of 5-30nm and/or potassium hydroxide are hydrolyzed and control weight proportion silicon: sodium and/or potassium=6-10: 1, make colourless transparent solution after the reaction of heating according to a conventional method.
Organic silicon solution 15-30 part of also containing weight proportion; It is nano level methyl and/or the phenyl organosilane monomer polymkeric substance better effects if of 10-50nm that organic silicon solution adopts diameter.
Initiator selects for use single or blended oxalic acid, carbonic acid, phosphoric acid, citric acid, fumaric acid, and is helpful to the copolymerization of compound resin, and shortens preparation time.
Organic resin of the present invention selects for use single or compound polyamine lipid, epoxy resin, crylic acid resin, Synolac class, chlorinated rubber class, vinyl, organic fluorine class, has shown good performance in practice.
Coating can be undertaken by following step with the preparation method of compound resin: feed intake in proportion, add in the reactor and heat to 70-80 ℃, react and obtained finished product in one to two hour.
Core of the present invention is organic resin and inorganic silicate bioactive molecule group, and abundant compound back produces good performance under initiator helps.The inorganic silicic acid salt component contains the fabulous inorganic silicon of wear resisting property, so compound resin has shown superior wear-resisting weather resistance.When compound resin has increased silicone ingredients, because of organosilicon has good high temperature resistant and water resistance, compound resin has also increased high temperature resistant and function waterproof.Compound resin of the present invention has good binding function, when itself and conventional pigment, filler, additive mixture obtain finished product coating, does not need conventional organic solvent such as benzene, dimethylbenzene, thereby is the new coating of compliance with environmental protection requirements.
Normal silicate solution and organic resin are compound by a certain percentage, just can show good performance, but the storage time grown the part layering arranged, cause certain loss; But nano level SiO2 ultrafine powder through alkaline hydrolysis, according to a conventional method heat the reaction after make the water white transparency silicate solutions, comprise the superfine greasy small inorganic active molecular grouping of a large amount of particles, compound with organic resin again, the compound resin good stability, be difficult for layering, can improve the utilization ratio of compound resin, increase value-added content of product.
Compound resin possesses multinomial high performance principle and also has:
After reacting through heating, silicate solutions adding organic silicon solution forms the compound that siloxane bond and methyl join, after causing, initiator can form methyl silica superpolymer, the molecular grouping surface is contained a large amount of-OH base, when resin-coating when rigid surfaces such as iron and steel, cement wall dehydrations concentrates,-OH base forms chemical bond with iron and steel or cement wall surface and combines, and this is the reason that this compound resin has superpower bonding force.If initiator does not adopt the compound resin in the ratio range of the present invention, its bonding force and conventional resin similar, but do not influence other performances of compound resin.
Contain multiple carbamate chain link in the polyamine fat resin macromolecular structure, so full name is the polyurethane resin, abbreviates Polyurethane as to have very strong adhesiveproperties.
Methyl silica superpolymer and siloxanes are different, and siloxanes has only on a small quantity-the OH base, and is inflammable, and methyl silica superpolymer contains in a large number-the OH base, be incombustible material, be a kind of network molecular structure type material, be suitable for being coated in the rigidity basal plane.
The molecular structure of polyamine fat is that strip structure belongs to the pinking material.
According to the interpenetrating(polymer)networks theory: two or more polymkeric substance can form the network interpenetrating polymkeric substance with the chemical process interpenetration, be the novel complex phase polymer materials of a class of interleaving network shape.
(be called for short IPN0 is the frontier of polymer blending modification technical development to interpenetrating net polymer, has opened up brand-new approach for the polymer materials of making property, develops very rapidly, has formed independently status of of polymer blending and compound at present.
Methyl silicon-oxygen polymer and the blend of polyamine fat form the organic-inorganic interpenetrating net polymer ,-OH base chemical bond in conjunction with less than the position have polyamine fat organically to replenish, so have superpower cementability.
Owing to a large amount of inorganic materials are arranged in this product, so it possesses super competent performance, promptly have a weathering resistance of overlength, infer that according to detection architecture normally work-ing life should be more than 30 years.This product also has in the market the incomparable performance of organic resin promptly not burn resistant to elevated temperatures extraordinary performance simultaneously.
Owing to introduced organic simultaneously and organosilicon material, so this polymkeric substance has excellent waterproofness again.
The present invention except that can introducing polyamine fat, can also this add epoxy resin, crylic acid resin, Synolac class, chlorinated rubber class, vinyl, organic fluorine class, all can make high performance organic one inorganic interpenetrating net polymer.
Be understood that according to above situation, above organic-inorganic interpenetrating net polymer have in the market a large amount of coating that use incomparable multinomial performance, be the high-performance coating resin of real compliance with environmental protection requirements.
Compound resin of the present invention has following advantage:
Durable wear-resisting; Good cementability; , waterproof high temperature resistant, organic solvent-free, compliance with environmental protection requirements by its coatings formulated; Good flame resistance; Good and economic, about 1000 yuan/ton of the comprehensive production costs of product of the present invention, comparing with other synthetic resins has good cost/performance ratio.
Specific embodiment
1. 1 kinds of coating compound resins of example contain silicate solutions 60-85 part of weight proportion, organic resin 15-20 part, water 50-150 part, initiator 5-10 part.
2. 1 kinds of coating compound resins of example, its silicate solutions obtains by following method, diameter is that the nano level superfine powder SiO2 hydro-oxidation sodium of 5-30nm and/or potassium hydroxide are hydrolyzed and control weight proportion silicon: sodium and/or potassium=6-10: 1, make colourless transparent solution after the reaction of heating according to a conventional method.All the other are with embodiment 1.
3. 1 kinds of coating compound resins of example also contain organic silicon solution 15-30 part of weight proportion; It is nano level methyl and/or the phenyl organosilane monomer polymkeric substance better effects if of 10-50nm that organic silicon solution adopts diameter.All the other are with embodiment 1.
4. 1 kinds of coating compound resins of example, its initiator selects for use single or blended oxalic acid, carbonic acid, phosphoric acid, citric acid, fumaric acid, and all the other are with embodiment 1.
5. 1 kinds of coating compound resins of example, its organic resin select for use single or compound polyamine lipid, epoxy resin, crylic acid resin, Synolac class, chlorinated rubber class, vinyl, organic fluorine class, have shown good performance in practice.All the other are with embodiment 1.
6. 1 kinds of coating of example can carry out in following step with the preparation method of compound resin: feed intake in 1,2,3,4,5 raw materials that provide and ratio are provided respectively, add in the reactor and heat to 70-80 ℃, react and obtained finished product in one to two hour.
Example 7. oxalic acid, carbonic acid, phosphoric acid, citric acid, fumaric acid
Diameter is that the nano level superfine powder SiO2 hydro-oxidation sodium of 20nm and potassium hydroxide are hydrolyzed and control weight proportion silicon: sodium and/or potassium=and 8: 1, make water white silicate solutions after the reaction of heating according to a conventional method.
Get 70 parts of silicate solutions, 20 parts of polyamine fat water miscible liquids, 80 parts in water, 7 parts of oxalic acid initiators add in the reactor and heat to 70-80 ℃, react promptly to generate a kind of coating compound resin in one hour.
Example 8.
Diameter is that the nano level superfine powder SiO2 hydro-oxidation sodium of 30nm is hydrolyzed and controls weight proportion silicon: sodium and/or potassium=and 6: 1, make water white silicate solutions after the reaction of heating according to a conventional method.
Get 60 parts of silicate solutions, 15 parts of Resins, epoxy, 15 parts of organic silicon solutions, 50 parts in water, 5 parts in carbonic acid.Add in the reactor and heat, react and promptly generated a kind of coating compound resin in one hour to 70-80 ℃.
Example 9.
Diameter is that the nano level superfine powder SiO2 hydro-oxidation potassium of 25nm is hydrolyzed and controls weight proportion silicon: sodium and/or potassium=and 10: 1, make water white silicate solutions after the reaction of heating according to a conventional method.
85 parts of silicate solutions, 25 parts of acrylic resins, 30 parts of organic silicon solutions, 150 parts in water, 10 parts of citric acids.Add in the reactor and heat, react and promptly generated a kind of coating compound resin in one hour to 70-80 ℃.
Example 10.
Diameter is that the nano level superfine powder SiO2 hydro-oxidation sodium of 25nm is hydrolyzed and controls weight proportion silicon: sodium and/or potassium=and 10: 1, make water white silicate solutions after the reaction of heating according to a conventional method.
A kind of coating compound resin contains 80 parts of the silicate solutions of weight proportion, and 18 parts of Synolac, diameter are 15 parts of the nano level methyl organosilane monomer polymers solns of 10nm, 100 parts in water, 2 parts of oxalic acid, 3 parts in carbonic acid, phosphatase 11 part.Add in the reactor and heat, react and promptly generated a kind of coating compound resin in one hour to 70-80 ℃.
Example 11.
Diameter is that the nano level superfine powder SiO2 hydro-oxidation sodium of 25nm is hydrolyzed and controls weight proportion silicon: sodium and/or potassium=and 7: 1, make water white silicate solutions after the reaction of heating according to a conventional method.
A kind of coating compound resin contains 80 parts of the silicate solutions of weight proportion, and 18 parts of Synolac, diameter are 25 parts of the nano level phenyl organosilane monomer polymers solns of 50nm, 100 parts in water, 2 parts of oxalic acid, 3 parts in carbonic acid, 1 part in tartrate.Add in the reactor and heat, react and promptly generated a kind of coating compound resin in one hour to 70-80 ℃.
Example 12.
Diameter is that the nano level superfine powder SiO2 hydro-oxidation sodium of 25nm is hydrolyzed and controls weight proportion silicon: sodium and/or potassium=and 6: 1, make water white silicate solutions after the reaction of heating according to a conventional method.
A kind of coating compound resin contains 80 parts of the silicate solutions of weight proportion, and 18 parts in polyamine fat, diameter are each 10 parts of the nano level methyl of 30nm and phenyl organosilane monomer polymers solns, 100 parts in water, 2 parts of oxalic acid, 3 parts in carbonic acid, phosphatase 11 part.Add in the reactor and heat, react and promptly generated a kind of coating compound resin in one hour to 70-80 ℃.Put the system 2 years not stratified.Use compound resin to smear behind the steel plate repeatedly high strength and be exposed to the sun, water washes away, and compound resin did not come off in 2 years, showed good cementability.
Example 13. contrast experiments:
Cut-off directly is hydrolyzed for the SiO2 hydro-oxidation sodium of 100nm, and all the other are with embodiment 12, and gained coating is put to make with compound resin 17% species precipitate half a year.But other performances are unaffected substantially.
Cut-off directly is each 5 parts of the methyl of 70nm and phenyl organosilane monomer polymers solns, and all the other are with embodiment 12, and the system of putting has 12% species precipitate half a year.Gained coating is smeared behind the steel plate repeatedly high strength with compound resin and is exposed to the sun, water washes away, and compound resin came off at five months, and cementability is relatively poor, proof is worked as organic silicon monomer polymer loading and particle requirement exceeds the scope of the invention, demonstrate,proves influential to compoite resin adhesive power.
Get 3 parts in sulfuric acid, phosphatase 11 part is an initiator, and all the other are with embodiment 12, and gained coating needs copolymerization 5 hours with compound resin.And smear behind the steel plate repeatedly high strength and be exposed to the sun, water washes away, and compound resin came off at three months, and cementability is relatively poor, proves that the kind of initiator and consumption are stable and bonding force is influential to the copolymerization of compound resin.
Claims (1)
1. coating compound resin contains silicate solutions 60-85 part of weight proportion, organic resin 15-20 part, and water 50-150 part, initiator 5-10 part is characterized in that: organic silicon solution 15-30 part of also containing weight proportion; Organic silicon solution is that diameter is nano level methyl and/or the phenyl organosilane monomer polymkeric substance of 10-50nm; Silicate solutions obtains by following method, and diameter is the nano level superfine powder SiO of 5-30nm
2Hydro-oxidation sodium and/or potassium hydroxide are hydrolyzed and control weight proportion silicon: sodium and/or potassium=6-10: 1, make colourless transparent solution after the reaction of heating according to a conventional method; Organic resin is a kind of in single epoxy resin, crylic acid resin, the Synolac class; Initiator is single or blended oxalic acid, carbonic acid, phosphoric acid, citric acid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02138746 CN1213112C (en) | 2002-07-02 | 2002-07-02 | Composite resin for paint and its prepn |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02138746 CN1213112C (en) | 2002-07-02 | 2002-07-02 | Composite resin for paint and its prepn |
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| Publication Number | Publication Date |
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| CN1403509A CN1403509A (en) | 2003-03-19 |
| CN1213112C true CN1213112C (en) | 2005-08-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 02138746 Expired - Fee Related CN1213112C (en) | 2002-07-02 | 2002-07-02 | Composite resin for paint and its prepn |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107936705A (en) * | 2017-11-27 | 2018-04-20 | 德阳天赐塑胶有限责任公司 | A kind of strong plastic part Special wear-resistant paint of water-resistance and its preparation process |
| CN110229598A (en) * | 2019-03-29 | 2019-09-13 | 东南大学 | Cool down coating and its preparation method and application |
| CN114806398A (en) * | 2022-04-01 | 2022-07-29 | 北京华夏先河新材料有限公司 | Protective agent for improving self-protection capability of active cement concrete and preparation method thereof |
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