CN103642202A - Ceramic powder modified polyurethane/epoxy resin interpenetrating network elastomer - Google Patents
Ceramic powder modified polyurethane/epoxy resin interpenetrating network elastomer Download PDFInfo
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- CN103642202A CN103642202A CN201310685048.6A CN201310685048A CN103642202A CN 103642202 A CN103642202 A CN 103642202A CN 201310685048 A CN201310685048 A CN 201310685048A CN 103642202 A CN103642202 A CN 103642202A
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Abstract
The invention discloses a ceramic powder modified polyurethane/epoxy resin interpenetrating network elastomer which comprises the following components in percentage by weight: 5-20% of modifying ceramic powder, 10-40% of epoxy resin, 50-80% of polyurethane prepolymer, 1-4% of catalyst and 4-20% of curing agent. The network elastomer can be used as a carrier roller of a conveyor. In the presence of the modifying ceramic powder, the wear resistance of the elastomer is further improved, and the dimensional stability is improved to some degree. Due to the carrier roller prepared from the elastomer, the technical bottleneck that a traditional carrier roller cannot have high wear resistance, high toughness, high-temperature resistance and low-temperature resistance at the same time is solved.
Description
Technical field
The present invention relates to elastomerics, particularly relate to ceramics powder modified polyurethane/Epoxy Interpenetration Polymer Networks elastomerics.
Background technology
Carrier roller of belt conveyer need to be used the material of characteristics such as having good wear resistance, erosion resistance, anti-impact force, light weight, thermotolerance to make, at present, carrier roller of belt conveyer mainly comprises the several types such as steel carrying roller, plastic conveyer roller, carrier roller, owing to making the limitation of material, the carrying roller of these types shows various problems:
Steel carrying roller: wear no resistance, and wearing and tearing rear surface easily produce burr, cause scratching belt, cause great financial loss; Easily get rusty, while especially using under acid, alkali, salt environment, the life-span is extremely short; Quality weight, is not easy to transportation, installation and maintenance, causes tooling cost and maintenance cost higher.
Carrier roller: although there is the advantages such as wear-resisting, anti-oxidant and acid and alkali-resistance, equally also have the shortcomings such as fragility is large, quality heavy, inconvenience is installed, and concentricity is poor.
Common high-polymer supporting roller: there is the advantages such as quality is light, shock resistance, corrosion-resistant, noise is low, but the performances such as it is wear-resisting, heat-resisting, weather-proof, mechanical strength obviously can not be met the need of market.
Therefore, the material of synthetic a kind of superior performance is very important to meet the requirement of carrier roller of belt conveyer.
Summary of the invention
In view of this, the object of the invention is to propose a kind of ceramics powder modified polyurethane/Epoxy Interpenetration Polymer Networks elastomerics, the advantage such as this elastomerics has light weight, high tenacity, high temperature resistant, low temperature resistant, corrosion-resistant, noise is low, weather-proof, wear-resisting.
Based on above-mentioned purpose, the invention provides a kind of ceramics powder modified polyurethane/Epoxy Interpenetration Polymer Networks elastomerics, the weight percent of its component and each component is: modified ceramic powder 5%～20%, epoxy resin 10%～40%, base polyurethane prepolymer for use as 50%～80%, catalyzer 1%～4%, solidifying agent 4%～20%.
Described modified ceramic powder can be used following methods preparation: with atomizer, described surface treatment agent is dispersed in to the surface of described ceramics powder, is then placed at 80～130 ℃ and reacts 2～4 hours, obtain described modified ceramic powder.
Described ceramics powder modified polyurethane/Epoxy Interpenetration Polymer Networks is elastomeric can use following method preparation: the base polyurethane prepolymer for use as of modified ceramic powder, epoxy resin and melting is mixed, vacuumize the bubble draining in mixed solution; Then under the environment of 90 ℃～140 ℃, in mixed solution, add catalyzer and solidifying agent; Finally inject mould and be solidified into elastomerics under the environment of 70 ℃～150 ℃.
Described ceramics powder is selected from least one in silicon nitride, silicon carbide, silicon-dioxide, talcum powder and aluminum oxide; Described surface treatment agent is selected from least one in silane coupling agent, titanic acid ester and Aluminate.
Described epoxy resin is selected from a kind of in bisphenol A epoxide resin, brominated epoxy resin and novolac epoxy; Described base polyurethane prepolymer for use as is polyvalent alcohol and isocyanate reaction gained; Described polyvalent alcohol is polyester polyol or polyether glycol; Described isocyanic ester is selected from 2,4 toluene diisocyanate, 2, at least one in 6-tolylene diisocyanate and 4,4-diphenylmethanediisocyanate.
Described catalyzer is dibutyltin dilaurate; Described solidifying agent is diamino dichloro diphenyl methane.
Above-mentioned ceramics powder modified polyurethane/Epoxy Interpenetration Polymer Networks elastomerics can be applied on the carrying roller of transfer roller.
Effect of the present invention is: the mode that described ceramics powder modified polyurethane/Epoxy Interpenetration Polymer Networks elastomerics utilizes this uniqueness of interpenetrating(polymer)networks organically in conjunction with as a whole, had both retained the high tenacity of urethane, the advantage such as wear-resisting by urethane and epoxy resin; The advantages such as epoxy resin is high temperature resistant, corrosion-resistant have been had both again; Meanwhile, under the effect of modified ceramic powder, elastomeric wear resisting property further improves, and dimensional stability has also had certain improvement.The carrying roller of being prepared by described elastomerics has solved traditional carrying roller can not have high abrasion, high tenacity, high temperature resistant, low temperature resistant this technical bottleneck simultaneously.
Accompanying drawing explanation
Fig. 1 is the elastomeric preparation technology's schematic flow sheet of ceramics powder modified polyurethane/Epoxy Interpenetration Polymer Networks of the present invention.
Embodiment
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with specific embodiment, and with reference to accompanying drawing, the present invention is described in more detail.
Embodiment 1
First with atomizer, silane coupling agent 560 is dispersed in to the 800 talcous surfaces of order uniformly, is then placed under the environment of 130 ℃ and reacts 2 hours, obtain modified ceramic powder; Use polyethylene glycol oxalate, 2,4 toluene diisocyanate reaction to obtain base polyurethane prepolymer for use as.Then the base polyurethane prepolymer for use as high-speed mixing of modified ceramic powder, bisphenol A epoxide resin and melting is uniformly dispersed.The weight ratio of each component adding is modified ceramic powder 10%, bisphenol A epoxide resin 30%, base polyurethane prepolymer for use as 50%.Vacuumize the bubble draining in mixed solution; Then under the environment of 100 ℃, to adding 2% catalyzer dibutyltin dilaurate and 8% solidifying agent diamino dichloro diphenyl methane in mixed solution, finally inject mould and solidify under the environment of 110 ℃, wherein base polyurethane prepolymer for use as and epoxy resin polymerization reaction take place, and two quasi-molecule interchains mutually intert and form inierpeneirating network structure elastomer material.
The hardness of the network resilience body obtaining (Shao Shi A) is 98, and tensile strength is 50Mpa, and tensile yield is 350%, and Akron abrasion is 0.008, and heat-drawn wire is 120 degrees Celsius.Adding than the most obvious advantage of ordinary epoxy resin modified polyurethane for having significantly improved wear resistance and thermotolerance of ceramics powder.
Embodiment 2
First with atomizer, titanic acid ester is dispersed in uniformly to the surface of silicon carbide powder, is then placed under the environment of 120 ℃ and reacts 3 hours, obtain modified ceramic powder; Use phthalic anhydride Diethylene Glycol multipolymer, the reaction of 2,6-tolylene diisocyanate obtains base polyurethane prepolymer for use as.Then the base polyurethane prepolymer for use as high-speed mixing of modified ceramic powder, novolac epoxy and melting is uniformly dispersed.The weight ratio of each component adding is modified ceramic powder 20%, novolac epoxy 10%, base polyurethane prepolymer for use as 60%.Vacuumize the bubble draining in mixed solution; Then under the environment of 100 ℃, to adding 1% catalyzer dibutyltin dilaurate and 9% solidifying agent diamino dichloro diphenyl methane in mixed solution, finally inject mould and solidify under the environment of 90 ℃, wherein base polyurethane prepolymer for use as and epoxy resin polymerization reaction take place, and two quasi-molecule interchains mutually intert and form inierpeneirating network structure elastomer material.
The hardness of the network resilience body obtaining (Shao Shi A) is 99, and tensile strength is 60Mpa, and tensile yield is for being 200%, and Akron abrasion is 0.01, and heat-drawn wire is 125 degrees Celsius.Adding than the most obvious advantage of ordinary epoxy resin modified polyurethane for having significantly improved wear resistance and thermotolerance of ceramics powder.
Embodiment 3
First with atomizer, Aluminate is dispersed in uniformly to the surface of alumina powder, is then placed under the environment of 80 ℃ and reacts 4 hours, obtain modified ceramic powder; Use polytetrahydrofuran diol, the reaction of 4,4-diphenylmethanediisocyanate obtains base polyurethane prepolymer for use as.Then the base polyurethane prepolymer for use as high-speed mixing of modified ceramic powder, brominated epoxy resin and melting is uniformly dispersed.The weight ratio of each component adding is modified ceramic powder 5%, brominated epoxy resin 15%, base polyurethane prepolymer for use as 65%.Vacuumize the bubble draining in mixed solution; Then under the environment of 100 ℃, to adding 4% catalyzer dibutyltin dilaurate and 11% solidifying agent diamino dichloro diphenyl methane in mixed solution, finally inject mould and solidify under the environment of 130 ℃, wherein base polyurethane prepolymer for use as and epoxy resin polymerization reaction take place, and two quasi-molecule interchains mutually intert and form inierpeneirating network structure elastomer material.
The hardness of the network resilience body obtaining (Shao Shi A) is 90, and tensile strength is 45Mpa, and tensile yield is for being 450%, and Akron abrasion is 0.009, and heat-drawn wire is 112 degrees Celsius.Adding than the most obvious advantage of ordinary epoxy resin modified polyurethane for having significantly improved wear resistance and thermotolerance of ceramics powder.
Those of ordinary skill in the field are to be understood that: the foregoing is only specific embodiments of the invention; be not limited to the present invention; within the spirit and principles in the present invention all, any modification of making, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. ceramics powder modified polyurethane/Epoxy Interpenetration Polymer Networks elastomerics, is characterized in that, the weight percent of its component and each component is: modified ceramic powder 5%～20%, epoxy resin 10%～40%, base polyurethane prepolymer for use as 50%～80%, catalyzer 1%～4%, solidifying agent 4%～20%.
2. network resilience body according to claim 1, it is characterized in that, described modified ceramic powder is used following methods preparation: with atomizer, described surface treatment agent is dispersed in to the surface of described ceramics powder, is then placed at 80～130 ℃ and reacts 2～4 hours, obtain described modified ceramic powder.
3. network resilience body according to claim 1, is characterized in that, described ceramics powder is selected from least one in silicon nitride, silicon carbide, silicon-dioxide, talcum powder and aluminum oxide; Described surface treatment agent is selected from least one in silane coupling agent, titanic acid ester and Aluminate.
4. network resilience body according to claim 1, is characterized in that, described epoxy resin is selected from a kind of in bisphenol A epoxide resin, brominated epoxy resin and novolac epoxy; Described base polyurethane prepolymer for use as is polyvalent alcohol and isocyanate reaction gained; Described polyvalent alcohol is polyester polyol or polyether glycol; Described isocyanic ester is selected from 2,4 toluene diisocyanate, 2, at least one in 6-tolylene diisocyanate and 4,4-diphenylmethanediisocyanate.
5. network resilience body according to claim 1, is characterized in that, described catalyzer is dibutyltin dilaurate; Described solidifying agent is diamino dichloro diphenyl methane.
6. network resilience body according to claim 1, it is characterized in that, use following methods preparation: use surface treatment agent to carry out graft modification to ceramics powder surface and obtain described modified ceramic powder, the base polyurethane prepolymer for use as of described modified ceramic powder, epoxy resin and melting is mixed into mixed solution, vacuumizes the bubble draining in described mixed solution; Then under the environment of 90 ℃～140 ℃, in described mixed solution, add catalyzer and solidifying agent, under 70 ℃～150 ℃ environment, be solidified into elastomerics.
7. network resilience body according to claim 6, is characterized in that, described ceramics powder is selected from least one in silicon nitride, silicon carbide, silicon-dioxide, talcum powder and aluminum oxide; Described surface treatment agent is selected from least one in silane coupling agent, titanic acid ester and Aluminate.
8. network resilience body according to claim 6, is characterized in that, described epoxy resin is selected from a kind of in bisphenol A epoxide resin, brominated epoxy resin and novolac epoxy; Described base polyurethane prepolymer for use as is polyvalent alcohol and isocyanate reaction gained; Described polyvalent alcohol is polyester polyol or polyether glycol; Described isocyanic ester is selected from 2,4 toluene diisocyanate, 2, at least one in 6-tolylene diisocyanate and 4,4-diphenylmethanediisocyanate.
9. ceramics powder modified polyurethane/Epoxy Interpenetration Polymer Networks elastomerics according to claim 6, is characterized in that, described catalyzer is dibutyltin dilaurate; Described solidifying agent is diamino dichloro diphenyl methane.
10. the application of network resilience body as claimed in claim 1 on conveyer carrying roller.
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105238249A (en) * | 2015-10-28 | 2016-01-13 | 绍兴县寿春针纺织有限公司 | Fabric transfer-printing paint and preparation method thereof |
| CN105820506A (en) * | 2016-04-11 | 2016-08-03 | 南京信息职业技术学院 | Preparation method of epoxy resin/silicon nitride composite material |
| CN106084744A (en) * | 2016-06-08 | 2016-11-09 | 东莞市吉鑫高分子科技有限公司 | A kind of high permeation waterproof humidity-permeant Polyurethane Thermoplastic Elastomer and preparation method thereof |
| CN106366286A (en) * | 2016-09-30 | 2017-02-01 | 无锡市长安曙光手套厂 | High-permeability waterproof moisture-permeable thermoplastic polyurethane elastomer and preparation method thereof |
| CN106625921A (en) * | 2017-03-01 | 2017-05-10 | 浙江农林大学暨阳学院 | Method for preparing bamboo beam columns |
| CN107418155A (en) * | 2017-08-09 | 2017-12-01 | 邓韵 | A kind of ceramic elastomeric material containing TPO |
| CN107556868A (en) * | 2017-09-13 | 2018-01-09 | 合肥摩凯新材料科技有限公司 | A kind of cement plant deduster, pipeline and the out of stock ammoniacal liquor anticorrosion antiwear renovation agent of flue gas |
| CN107746546A (en) * | 2017-09-06 | 2018-03-02 | 嘉善金泰工程塑业有限公司 | A kind of epoxy resin hatch cover of ship pad and its manufacture method |
| CN109321085A (en) * | 2018-09-14 | 2019-02-12 | 浙江万华不锈钢有限公司 | Without the soft stainless steel of magnetic and its processing method |
| CN110746566A (en) * | 2019-11-12 | 2020-02-04 | 东莞市米儿塑胶原料有限公司 | Thermoplastic polyurethane matrix resin |
| CN112897938A (en) * | 2021-03-05 | 2021-06-04 | 洛阳嘉斯诺泵业制造有限公司 | Resin ceramic wear-resistant composite material and preparation method thereof |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105238249A (en) * | 2015-10-28 | 2016-01-13 | 绍兴县寿春针纺织有限公司 | Fabric transfer-printing paint and preparation method thereof |
| CN105820506A (en) * | 2016-04-11 | 2016-08-03 | 南京信息职业技术学院 | Preparation method of epoxy resin/silicon nitride composite material |
| CN105820506B (en) * | 2016-04-11 | 2018-05-01 | 南京信息职业技术学院 | Preparation method of epoxy resin/silicon nitride composite material |
| CN106084744A (en) * | 2016-06-08 | 2016-11-09 | 东莞市吉鑫高分子科技有限公司 | A kind of high permeation waterproof humidity-permeant Polyurethane Thermoplastic Elastomer and preparation method thereof |
| CN106366286A (en) * | 2016-09-30 | 2017-02-01 | 无锡市长安曙光手套厂 | High-permeability waterproof moisture-permeable thermoplastic polyurethane elastomer and preparation method thereof |
| CN106625921A (en) * | 2017-03-01 | 2017-05-10 | 浙江农林大学暨阳学院 | Method for preparing bamboo beam columns |
| CN107418155A (en) * | 2017-08-09 | 2017-12-01 | 邓韵 | A kind of ceramic elastomeric material containing TPO |
| CN107746546A (en) * | 2017-09-06 | 2018-03-02 | 嘉善金泰工程塑业有限公司 | A kind of epoxy resin hatch cover of ship pad and its manufacture method |
| CN107556868A (en) * | 2017-09-13 | 2018-01-09 | 合肥摩凯新材料科技有限公司 | A kind of cement plant deduster, pipeline and the out of stock ammoniacal liquor anticorrosion antiwear renovation agent of flue gas |
| CN109321085A (en) * | 2018-09-14 | 2019-02-12 | 浙江万华不锈钢有限公司 | Without the soft stainless steel of magnetic and its processing method |
| CN110746566A (en) * | 2019-11-12 | 2020-02-04 | 东莞市米儿塑胶原料有限公司 | Thermoplastic polyurethane matrix resin |
| CN112897938A (en) * | 2021-03-05 | 2021-06-04 | 洛阳嘉斯诺泵业制造有限公司 | Resin ceramic wear-resistant composite material and preparation method thereof |
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