CN104031595A - Polyurethane adhesive and manufacturing method and application method thereof - Google Patents
Polyurethane adhesive and manufacturing method and application method thereof Download PDFInfo
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- CN104031595A CN104031595A CN201410316724.7A CN201410316724A CN104031595A CN 104031595 A CN104031595 A CN 104031595A CN 201410316724 A CN201410316724 A CN 201410316724A CN 104031595 A CN104031595 A CN 104031595A
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Abstract
The invention discloses a polyurethane adhesive which is composed of a component A and a component B. The component A comprises, by mass, 65 parts of triphenyl methane tri-isocyanate and 4 parts of zinc chloride. The component B comprises, by mass, 110 parts of chloroprene rubber, 4 parts of calcium oxide, 3 parts of N-phenyl-2-naphthylamine, 90 parts of methylbenzene and 60 parts of ethyl acetate. The polyurethane adhesive contains isocyanate groups with strong polarity, so the polyurethane adhesive has excellent adhesive properties and excellent mechanical properties such as bending resistance and impact resistance and has the advantages of high peeling strength, acid and alkali resistance, solvent resistance, water resistance, mould prevention and the like. The polyurethane adhesive still has good adhesion strength at a low temperature and especially can keep constant adhesion strength at an ultralow temperature, and the usage temperature range of the polyurethane adhesive is from minus 30 DEG C to 50 DEG C. The invention further provides a manufacturing method and application method of the polyurethane adhesive.
Description
Technical field
The present invention relates to a kind of sizing agent, especially a kind of polyurethane adhesive with and preparation method thereof.
background technology
The features such as splicing (bonding, bonding, cementing, gluing) refers to that homogeneity or heterogeneous body surface stick with glue the technology that agent links together, and has stress distribution continuous, lightweight, or sealing, and most technological temperatures are low.Glued joint the connection that is specially adapted to unlike material, different thickness, ultra-thin specification and complex component.The twentieth century later stage, the research and development institution of World Developed Countries taking u s company as representative, research and develop taking macromolecular material and composite technology as basic composite high-molecular tackiness agent, it is that it is the hi-tech subject growing up on the subject bases such as polymer chemistry, colloid chemistry, organic chemistry and the mechanics of materials with two-pack or the multi-component matrix material of polymer composition polymer and metal-powder or pottery grain composition.It can greatly solve and make up the application weakness of metallic substance, can be widely used in equipment unit wearing and tearing, wash away, the restoration and protection such as burn into seepage, crackle, scuffing.Polymer composite technology has developed into one of important modernization adhesive applications technology.Therefore glued joint application industry extremely wide, and high-and-new science and technology progress and people's daily life improvement are had to great effect.But tackiness agent has certain harm to environment and human body, this is due to the objectionable impurities in tackiness agent, as volatile organic compounds, poisonous solidifying agent, softening agent, thinner and other auxiliary agents, harmful filler etc. are caused.And some tackiness agent to exist cementability not strong, not acid and alkali-resistance or not water-fast problem.
Owing to a series of problem such as having to environment and human body has larger harm and some tackiness agent stripping strengths are low, acid and alkali-resistance, not water-fast and cementability temperature influence be not larger, so be necessary existing polyurethane adhesive to improve.
Summary of the invention
A kind of adhesiveproperties of the object of the invention is the deficiency in order to solve above-mentioned technology and design is good, good mechanical property, polyurethane adhesive that resistance to acids and bases is good.
The polyurethane adhesive that the present invention is designed, is made up of first component and second component, and first component is composed as follows: 65 parts of triphenylmethane triisocyanates, 4 parts of zinc chloride; Second component is composed as follows: 110 parts of chloroprene rubbers, 4 parts, calcium oxide, 3 parts of N-phenyl-2-naphthylamines, 90 parts of toluene, 60 parts of vinyl acetic monomers; The above-mentioned mass parts that is all.
The polyurethane adhesive that the present invention is designed, its beneficial effect is: the present invention is taking a kind of compound triphenylmethane triisocyanate in polyisocyanates as main raw material, and the properties-correcting agent that adds other is formulated.Not only cost is low but also have the unexistent feature of many other sizing agents:
(1) in the present invention, contain the isocyanate group of strong polarity, therefore there is good adhesiveproperties, there is the fabulous mechanical property such as bending resistance, shock resistance.
(2) the present invention has the features such as higher stripping strength and acid and alkali-resistance, resistance to solvent, water-fast, mildew-resistant.
(3) under low temperature, still have good bonding strength, especially under very low temperature, still keep bonding strength constant, use temperature scope is-30 ~ 50 DEG C.
The polyurethane adhesive that the present invention is designed, purposes is very extensive.Can be used for the bonding of leather, rubber, fiber, various porous plastics, pottery, glass, paper, fabric, polyvinyl chloride, metal (steel aluminium and copper) etc.And differing materials also can be mutually bonding.And this agent is less to environment and people's harm, can be widely used.
The present invention has also designed a kind of making method of polyurethane adhesive.
The making method of the designed polyurethane adhesive of the present invention, is characterized in that: first a second component material is dissolved in mixed solvent by formula, stirring is mixed; By first, second two components, in the ratio preparation tackiness agent of first: second=20:80.
This making method has the simple advantage of technique.
The present invention has also designed a kind of using method of polyurethane adhesive.
The using method of the designed polyurethane adhesive of the present invention, it is characterized in that: the surface that first prepares tackiness agent and process clean adherend, then carry out gluing, in the time that glue-coated surface will be done and be not too dry, it is bonding, carry out gluing for the second time, in the time that the glue-coated surface of gluing for the second time will be done and be not too dry, apply 0.3MPa pressure, the in the situation that of 30 DEG C of temperature, solidify 20min, then solidify 20min in the situation that of 20 DEG C of temperature.
Such using method has gluing firmly advantage, is particularly suitable for using on leather.
Embodiment
The present invention is further described by the following embodiment.
Embodiment 1:
The described polyurethane adhesive of the present embodiment, is made up of first component and second component, and first component is composed as follows: 65 parts of triphenylmethane triisocyanates, 4 parts of zinc chloride; Second component is composed as follows: 110 parts of chloroprene rubbers, 4 parts, calcium oxide, 3 parts of N-phenyl-2-naphthylamines, 90 parts of toluene, 60 parts of vinyl acetic monomers; The above-mentioned mass parts that is all.
The polyurethane adhesive that the present invention is designed, its beneficial effect is: the present invention is taking a kind of compound triphenylmethane triisocyanate in polyisocyanates as main raw material, and the properties-correcting agent that adds other is formulated.Not only cost is low but also have the unexistent feature of many other sizing agents: in the present invention, contain the isocyanate group of strong polarity, therefore have good adhesiveproperties, have the fabulous mechanical property such as bending resistance, shock resistance.The present invention has the features such as higher stripping strength and acid and alkali-resistance, resistance to solvent, water-fast, mildew-resistant.In addition, still have good bonding strength under low temperature, especially under very low temperature, still keep bonding strength constant, use temperature scope is-30 ~ 50 DEG C.
Embodiment 2:
The making method of the described a kind of polyurethane adhesive of the present embodiment, is characterized in that: first a second component material is dissolved in mixed solvent by formula, stirring is mixed; By first, second two components, in the ratio preparation tackiness agent of first: second=20:80.
This making method has the simple advantage of technique.
Embodiment 3:
The using method of the described a kind of polyurethane adhesive of the present embodiment, it is characterized in that: the surface that first prepares tackiness agent and process clean adherend, then carry out gluing, in the time that glue-coated surface will be done and be not too dry, it is bonding, carry out gluing for the second time, in the time that the glue-coated surface of gluing for the second time will be done and be not too dry, apply 0.3MPa pressure, the in the situation that of 30 DEG C of temperature, solidify 20min, then solidify 20min in the situation that of 20 DEG C of temperature.
Such using method has gluing firmly advantage, is particularly suitable for using on leather.
Above-described embodiment is only to design of the present invention explanation for example, and significantly, the protection domain of this patent is not limited to above-described embodiment.
Various equivalent modifications that those skilled in the art do above-described embodiment or supplement, all should fall into the protection domain of this patent.
Claims (3)
1. a polyurethane adhesive, is characterized in that being made up of first component and second component, and first component is composed as follows: 65 parts of triphenylmethane triisocyanates, 4 parts of zinc chloride; Second component is composed as follows: 110 parts of chloroprene rubbers, 4 parts, calcium oxide, 3 parts of N-phenyl-2-naphthylamines, 90 parts of toluene, 60 parts of vinyl acetic monomers; The above-mentioned mass parts that is all.
2. a making method for polyurethane adhesive claimed in claim 1, is characterized in that: first a second component material is dissolved in mixed solvent by formula, stirring is mixed; By first, second two components, in the ratio preparation tackiness agent of first: second=20:80.
3. the using method of a polyurethane adhesive claimed in claim 1, it is characterized in that: the surface that first prepares tackiness agent and process clean adherend, then carry out gluing, in the time that glue-coated surface will be done and be not too dry, it is bonding, carry out gluing for the second time, in the time that the glue-coated surface of gluing for the second time will be done and be not too dry, apply 0.3MPa pressure, the in the situation that of 30 DEG C of temperature, solidify 20min, then solidify 20min in the situation that of 20 DEG C of temperature.
Priority Applications (1)
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CN201410316724.7A CN104031595A (en) | 2014-07-06 | 2014-07-06 | Polyurethane adhesive and manufacturing method and application method thereof |
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CN201410316724.7A CN104031595A (en) | 2014-07-06 | 2014-07-06 | Polyurethane adhesive and manufacturing method and application method thereof |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105131865A (en) * | 2015-08-31 | 2015-12-09 | 北京正元天瑞建筑墙体保温技术有限责任公司 | High-strength polyurethane construction glue and preparing method thereof |
CN111227439A (en) * | 2020-02-28 | 2020-06-05 | 温州市铭捷鞋业有限公司 | Auxiliary production assembly and production method of high-heeled shoes |
CN111995803A (en) * | 2020-09-09 | 2020-11-27 | 广州宝来声学材料有限公司 | Novel composite new material high-strength rubber sound insulation pad and preparation method thereof |
-
2014
- 2014-07-06 CN CN201410316724.7A patent/CN104031595A/en active Pending
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105131865A (en) * | 2015-08-31 | 2015-12-09 | 北京正元天瑞建筑墙体保温技术有限责任公司 | High-strength polyurethane construction glue and preparing method thereof |
CN111227439A (en) * | 2020-02-28 | 2020-06-05 | 温州市铭捷鞋业有限公司 | Auxiliary production assembly and production method of high-heeled shoes |
CN111227439B (en) * | 2020-02-28 | 2021-06-22 | 温州市铭捷鞋业有限公司 | Auxiliary production assembly and production method of high-heeled shoes |
CN111995803A (en) * | 2020-09-09 | 2020-11-27 | 广州宝来声学材料有限公司 | Novel composite new material high-strength rubber sound insulation pad and preparation method thereof |
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Application publication date: 20140910 |
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