CN105153673A - Crack, oil and high temperature resistant polymer modified exterior wall material and production technology thereof - Google Patents

Crack, oil and high temperature resistant polymer modified exterior wall material and production technology thereof Download PDF

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Publication number
CN105153673A
CN105153673A CN201510412996.1A CN201510412996A CN105153673A CN 105153673 A CN105153673 A CN 105153673A CN 201510412996 A CN201510412996 A CN 201510412996A CN 105153673 A CN105153673 A CN 105153673A
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China
Prior art keywords
temperature
powder
rubber powder
cracking resistance
resistant
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CN201510412996.1A
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Chinese (zh)
Inventor
上官挺
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常州市武进金阳光电子有限公司
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Priority to CN201510412996.1A priority Critical patent/CN105153673A/en
Publication of CN105153673A publication Critical patent/CN105153673A/en

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Abstract

The invention relates to a building wall material, and concretely relates to a crack, oil and high temperature resistant polymer modified exterior wall material and a production technology thereof. The technology comprises the following steps: mixing modified rubber powder, polyurethane elastomer, a tetrafluoroethene-hexafluoropropene copolymer, isoprene rubber, re-dispersible latex powder, quicklime, cellulose ether and an air entraining agent through a mixer, kneading through a kneader, placing the obtained mixture in a die, and compacting through a flat vulcanizer to obtain an exterior wall panel. The above exterior wall material product made in the invention reduces the use amount of wood fibers, the production cost and the sheet unit weight, and has improved compressive strength, flexural strength, bending toughness, oil resistance and high temperature resistance. The polyurethane elastomer added in the invention effectively improves the mechanical properties of a polypropylene cable material; fluorubber added in the invention has high temperature and oil resistance; and other fillers added in the invention can enhance other physical properties and the processability of the cable.

Description

The outer wall material of polymer modification cracking resistance oil-resistant high-temperature and production technique thereof
Technical field
The present invention relates to construction material, be specifically related to the composite exterior wall material of construction of a kind of polymer modification cracking resistance polyisoprene rubber slurry as raw material.
Background technology
Along with the flourish of construction industry and the modernization of building, outer wall material used in construction work is also widely applied thereupon and payes attention to.And traditional outer wall material polyisoprene rubber slurry used can cause metope cavity, ftracture and the problem such as to come off, these not only can affect the use of materials for wall, also can have impact on construction quality simultaneously.In order to strengthen the over-all properties of outer wall material, got the attention by modified cracking resistance polyisoprene rubber slurry.But, existing outer wall material, in the raw materials for production of especially polyurethane elastomer outer wall material, the enhancing modified multiselect filamentary material of cracking resistance polyisoprene rubber slurry carries out compound to it, and these filamentary materials are generally polypropylene fibre, asbestos etc., because these two kinds of filamentary materials also exist the problem such as price and environmental protection, therefore by using the cracking resistance polyisoprene rubber of cheap and environmental protection slurry to prepare outer wall material, there is certain development trend.
Summary of the invention
The object of the invention is to the defect that exists for above-mentioned prior art and problem, by to the interface modification of rubber powder and the modification of Paratetrafluoroethylene-hexafluoropropylene copolymer, improve the interfacial adhesion of rubber powder and polyurethane elastomer base material, improve the concrete intensity of polyurethane elastomer, and outer wall material and the production technique thereof of polymer modification cracking resistance oil-resistant high-temperature are provided.
Technical solutions according to the invention are:
The outer wall material of polymer modification cracking resistance oil-resistant high-temperature, its component and weight content are modified rubber powder 22-23, polyurethane elastomer 32-42, tetrafluoraoethylene-hexafluoropropylene copolymer 8-12, polyisoprene rubber 16-20, redispersable latex powder 1-5, unslaked lime 1-5, ether of cellulose 2-5, air entrapment agent 1-5.
Described air entrapment agent is acrylic acid epoxy resin synthesis type concrete air-entrainer.
Described modified rubber powder comprises properties-correcting agent, rubber powder, and its parts by weight proportioning is properties-correcting agent 10-20, rubber powder 80-90.
Described properties-correcting agent is the raw material of following proportioning by weight: vinyltriethoxysilane accounts for 25-28, Hydroxyethyl acrylate 7-11, Potassium Persulphate 3-4, water 60-65.
Described tetrafluoraoethylene-hexafluoropropylene copolymer is the raw material of following proportioning by weight: slag powders 30-36, modified fibre 3-6, volume stabilizer 28-32, polymer modifiers 30-35.
Described polyurethane elastomer is silicate polyurethane elastomer or stream aluminate polyurethane elastomer.
Described volume stabilizer is the air entrapment agent of swelling agent and anionic is that 3000:1 is composited according to weight ratio.
Described polymer modifiers is carboxymethyl cellulose, vinyl acetate between to for plastic dry powder and polyethylene dry powder are that 1:1:1 is composited according to weight ratio.
Described modified fibre is obtained by dipping in the epoxy by fiber, and wherein this fiber is xylon and wood powder, also can be the blend fiber of xylon, wood powder and polypropylene fibre three.
The manufacture method of the outer wall material of polymer modification cracking resistance oil-resistant high-temperature: comprise the steps:
(1) preparation of properties-correcting agent: the parts by weight proportioning by properties-correcting agent: vinyltriethoxysilane accounts for 25-28, Hydroxyethyl acrylate 7-11, Potassium Persulphate 3-4, water 60-65, all dropped in stirrer by the material measured, uniform stirring 20 seconds, temperature keeps 40-50 DEG C;
(2) preparation of modified rubber powder: heat rubber powder to 65 DEG C, is sprayed at the microparticle surfaces of rubber powder by the above-mentioned properties-correcting agent prepared, make all rubber powders moistening, places moistening rubber powder 6-8 hour, obtains modified rubber powder;
(3) dry: moistening modified rubber powder is carried out nature and to dry or after warm braw dries up process, stand-by; Temperature during preparation making beating controls at about 40-50 DEG C;
(4) prepare modified rubber powder insulation cracking resistance polyisoprene rubber and starch finished product: by above-mentioned raw materials polyurethane elastomer, modified rubber powder, polyisoprene rubber, redispersable latex powder, unslaked lime, tetrafluoraoethylene-hexafluoropropylene copolymer, ether of cellulose, air entrapment agent by weight proportioning mix, namely obtain modified rubber powder insulation cracking resistance polyisoprene rubber and starch;
(5) mediate: polyisoprene rubber slurry is placed in engagement in conjunction with 15min, and evenly spray moisture content, water consumption is 35 parts simultaneously;
(6) suppress maintenance: kneaded material is placed in mould, suppressed forming slab by compression molding agent, unit pressure is 6Mpa, and clamping time is 7min, takes off after touching and dries in the dryer of 70-100 DEG C, make slab water content be less than 7%;
(7) polish; Polish smooth goods by polyisoprene rubber ray machine to put in storage.
The invention has the beneficial effects as follows: the present invention utilize in formula cheap xylon, wood powder by the modification of epoxy resin come alternative part or all polypropylene fibre and fibrous magnesium silicate, and by the modification of epoxy resin, the consumption to wood fibre can be reduced, and then reduce production cost and sheet material unit weight; And the present invention is also by adding the interpolation of modified rubber powder, this cracking resistance polyisoprene rubber is starched, compared with the rubber powder insulation of non-modified process is starched with cracking resistance polyisoprene rubber, under same flowing implementations, its ultimate compression strength, folding strength, bend ductility, oil resistant, high temperature resistant being obtained for improve improvement.The present invention will play a great role at building field, wide market.The polyurethane elastomer that the present invention adds has excellent wear-resisting, oil resistance, and belong to polar polymer can and polypropylene be combined into one, effectively can improve the mechanical property of polypropylene material; The viton added has high temperature resistant, resistance to wet goods characteristic, and other fillers added can strengthen other physicalies and processing characteristics.
Embodiment
Embodiment 1:
The outer wall material of polymer modification cracking resistance oil-resistant high-temperature, its parts by weight proportioning is:
Modified rubber powder 22, silicate polyurethane elastomer 42, tetrafluoraoethylene-hexafluoropropylene copolymer 8, polyisoprene rubber 16, redispersable latex powder 1, unslaked lime 5, ether of cellulose 5, acrylic acid epoxy resin synthesis type concrete air-entrainer 1;
Wherein, modified rubber powder comprises properties-correcting agent, rubber powder, and its parts by weight proportioning is properties-correcting agent 10, rubber powder 90;
Tetrafluoraoethylene-hexafluoropropylene copolymer is the raw material of following proportioning by weight: inorganic mineral powder 30, modified fibre 4, volume stabilizer 25, polymer modifiers 45; Wherein modified fibre xylon and wood powder mark are than the mixture for 1:1, are obtained in the epoxy by dipping; Slag powders 30, modified fibre 3, volume stabilizer 32, polymer modifiers 35.
The manufacture method of the outer wall material of polymer modification cracking resistance oil-resistant high-temperature: comprise the steps:
(1) preparation of properties-correcting agent: the parts by weight proportioning by properties-correcting agent: vinyltriethoxysilane 25, Hydroxyethyl acrylate 11, Potassium Persulphate 3, water 60, all drops into the material measured in stirrer, uniform stirring 20 seconds, and temperature keeps 40 DEG C;
(2) preparation of modified rubber powder: heat rubber powder to 65 DEG C, is sprayed at the microparticle surfaces of rubber powder by the above-mentioned properties-correcting agent prepared, make all rubber powders moistening, places moistening rubber powder 6 hours, obtains modified rubber powder;
(3) dry: moistening modified rubber powder is carried out nature and to dry or after warm braw dries up process, stand-by; Temperature during preparation making beating controls at about 40 DEG C;
(4) prepare modified rubber powder insulation cracking resistance polyisoprene rubber and starch finished product: by above-mentioned raw materials polyurethane elastomer, modified rubber powder, polyisoprene rubber, redispersable latex powder, unslaked lime, tetrafluoraoethylene-hexafluoropropylene copolymer, ether of cellulose, air entrapment agent by weight proportioning mix, namely obtain modified rubber powder insulation cracking resistance polyisoprene rubber and starch;
(5) mediate: polyisoprene rubber slurry is placed in engagement in conjunction with 15min, and evenly spray moisture content, water consumption is 35 parts simultaneously;
(6) suppress maintenance: kneaded material is placed in mould, suppressed forming slab by compression molding agent, unit pressure is 6Mpa, and clamping time is 7min, takes off after touching and dries in the dryer of 50 DEG C, make slab water content be less than 7%;
(7) polish; Polish smooth goods by polyisoprene rubber ray machine to put in storage.
Embodiment 2:
The outer wall material of polymer modification cracking resistance oil-resistant high-temperature, its parts by weight proportioning is:
Modified rubber powder 22.5, silicate polyurethane elastomer 37, tetrafluoraoethylene-hexafluoropropylene copolymer 10, polyisoprene rubber 18, redispersable latex powder 2.5, unslaked lime 2.5, ether of cellulose 4, acrylic acid epoxy resin synthesis type concrete air-entrainer 3.5;
Wherein, modified rubber powder comprises properties-correcting agent, rubber powder, and its parts by weight proportioning is properties-correcting agent 15, rubber powder 85;
Tetrafluoraoethylene-hexafluoropropylene copolymer is the raw material of following proportioning by weight: slag powders 33, modified fibre 4, volume stabilizer 30, polymer modifiers 33; Wherein modified fibre xylon and wood powder mark are than the mixture for 1:1, are obtained in the epoxy by dipping;
The manufacture method of the outer wall material of polymer modification cracking resistance oil-resistant high-temperature: comprise the steps:
(1) preparation of properties-correcting agent: the parts by weight proportioning by properties-correcting agent: vinyltriethoxysilane accounts for 25, Hydroxyethyl acrylate 8.5, Potassium Persulphate 3.5, water 63, all dropped in stirrer by the material measured, uniform stirring 20 seconds, temperature keeps 45 DEG C;
(2) preparation of modified rubber powder: heat rubber powder to 65 DEG C, is sprayed at the microparticle surfaces of rubber powder by the above-mentioned properties-correcting agent prepared, make all rubber powders moistening, places moistening rubber powder 6 hours, obtains modified rubber powder;
(3) dry: moistening modified rubber powder is carried out nature and to dry or after warm braw dries up process, stand-by; Temperature during preparation making beating controls at about 40 DEG C;
(4) prepare modified rubber powder insulation cracking resistance polyisoprene rubber and starch finished product: by above-mentioned raw materials polyurethane elastomer, modified rubber powder, polyisoprene rubber, redispersable latex powder, unslaked lime, tetrafluoraoethylene-hexafluoropropylene copolymer, ether of cellulose, air entrapment agent by weight proportioning mix, namely obtain modified rubber powder insulation cracking resistance polyisoprene rubber and starch;
(5) mediate: polyisoprene rubber slurry is placed in engagement in conjunction with 15min, and evenly spray moisture content, water consumption is 35 parts simultaneously;
(6) suppress maintenance: kneaded material is placed in mould, suppressed forming slab by compression molding agent, unit pressure is 6Mpa, and clamping time is 7min, takes off after touching and dries in the dryer of 50 DEG C, make slab water content be less than 7%;
(7) polish; Polish smooth goods by polyisoprene rubber ray machine to put in storage.
Embodiment 3:
The outer wall material of polymer modification cracking resistance oil-resistant high-temperature, its parts by weight proportioning is:
Modified rubber powder 23, polyurethane elastomer 32, tetrafluoraoethylene-hexafluoropropylene copolymer 12, polyisoprene rubber 20, redispersable latex powder 5, unslaked lime 1, ether of cellulose 2, acrylic acid epoxy resin synthesis type concrete air-entrainer 5;
Wherein, modified rubber powder comprises properties-correcting agent, rubber powder, and its parts by weight proportioning is properties-correcting agent 20, rubber powder 80;
Tetrafluoraoethylene-hexafluoropropylene copolymer is the raw material of following proportioning by weight: inorganic mineral powder 40, modified fibre 0.1, volume stabilizer 40, polymer modifiers 30; Wherein modified fibre xylon and wood powder mark are than the mixture for 1:1, are obtained in the epoxy by dipping; Slag powders 36, modified fibre 6, volume stabilizer 28, polymer modifiers 30.
The manufacture method of the outer wall material of polymer modification cracking resistance oil-resistant high-temperature: comprise the steps:
(1) preparation of properties-correcting agent: the parts by weight proportioning by properties-correcting agent: vinyltriethoxysilane 28, Hydroxyethyl acrylate 7, Potassium Persulphate 4, water 65, all drops into the material measured in stirrer, uniform stirring 20 seconds, and temperature keeps 50 DEG C;
(2) preparation of modified rubber powder: heat rubber powder to 65 DEG C, is sprayed at the microparticle surfaces of rubber powder by the above-mentioned properties-correcting agent prepared, make all rubber powders moistening, places moistening rubber powder 6 hours, obtains modified rubber powder;
(3) dry: moistening modified rubber powder is carried out nature and to dry or after warm braw dries up process, stand-by; Temperature during preparation making beating controls at about 40 DEG C;
(4) prepare modified rubber powder insulation cracking resistance polyisoprene rubber and starch finished product: by above-mentioned raw materials polyurethane elastomer, modified rubber powder, polyisoprene rubber, redispersable latex powder, unslaked lime, tetrafluoraoethylene-hexafluoropropylene copolymer, ether of cellulose, air entrapment agent by weight proportioning mix, namely obtain modified rubber powder insulation cracking resistance polyisoprene rubber and starch;
(5) mediate: polyisoprene rubber slurry is placed in engagement in conjunction with 15min, and evenly spray moisture content, water consumption is 35 parts simultaneously;
(6) suppress maintenance: kneaded material is placed in mould, suppressed forming slab by compression molding agent, unit pressure is 6Mpa, and clamping time is 7min, takes off after touching and dries in the dryer of 50 DEG C, make slab water content be less than 7%;
(7) polish; Polish smooth goods by polyisoprene rubber ray machine to put in storage.
The polyurethane elastomer that the present invention adds has excellent wear-resisting, oil resistance, and belong to polar polymer can and polypropylene be combined into one, effectively can improve the mechanical property of polypropylene material; The viton added has high temperature resistant, resistance to wet goods characteristic, other physicalies that other fillers added can strengthen and processing characteristics.

Claims (10)

1. the outer wall material of polymer modification cracking resistance oil-resistant high-temperature, it is characterized in that: raw material is made by following parts by weight proportioning: modified rubber powder 22-23, polyurethane elastomer 32-42, tetrafluoraoethylene-hexafluoropropylene copolymer 8-12, polyisoprene rubber 16-20, redispersable latex powder 1-5, unslaked lime 1-5, ether of cellulose 2-5, air entrapment agent 1-5.
2. the outer wall material of polymer modification cracking resistance oil-resistant high-temperature according to claim 1, is characterized in that: described air entrapment agent is acrylic acid epoxy resin synthesis type concrete air-entrainer.
3. the outer wall material of polymer modification cracking resistance oil-resistant high-temperature according to claim 1, is characterized in that: described modified rubber powder comprises properties-correcting agent, rubber powder, and its parts by weight proportioning is properties-correcting agent 10-20, rubber powder 80-90.
4. the outer wall material of polymer modification cracking resistance oil-resistant high-temperature according to claim 2, it is characterized in that: described properties-correcting agent is the raw material of the following proportioning of proportioning by weight: vinyltriethoxysilane accounts for 25-28, Hydroxyethyl acrylate 7-11, Potassium Persulphate 3-4, water 60-65.
5. the outer wall material of polymer modification cracking resistance oil-resistant high-temperature according to claim 1, it is characterized in that: described tetrafluoraoethylene-hexafluoropropylene copolymer is the raw material of following proportioning by weight: slag powders 30-40, modified fibre 1-4, volume stabilizer 25-35, polymer modifiers 30-43.
6. the outer wall material of polymer modification cracking resistance oil-resistant high-temperature according to claim 1, is characterized in that: described polyurethane elastomer is silicate polyurethane elastomer or stream aluminate polyurethane elastomer.
7. the outer wall material of polymer modification cracking resistance oil-resistant high-temperature according to claim 5, is characterized in that: described volume stabilizer is the air entrapment agent of swelling agent and anionic is that 3000:1 is composited according to weight ratio.
8. the outer wall material of polymer modification cracking resistance oil-resistant high-temperature according to claim 5, is characterized in that: described polymer modifiers is carboxymethyl cellulose, vinyl acetate between to for plastic dry powder and polyethylene dry powder are that 1:1:1 is composited according to weight ratio.
9. the outer wall material of polymer modification cracking resistance oil-resistant high-temperature according to claim 1, it is characterized in that: described modified fibre is obtained by dipping in the epoxy by fiber, wherein this fiber is xylon and wood powder, also can be the blend fiber of xylon, wood powder and polypropylene fibre three.
10. the manufacture method of the outer wall material of polymer modification cracking resistance oil-resistant high-temperature: it is characterized in that: comprise the steps:
(1) preparation of properties-correcting agent: the parts by weight proportioning by properties-correcting agent: vinyltriethoxysilane accounts for 25-28, Hydroxyethyl acrylate 7-11, Potassium Persulphate 3-4, water 60-65, all dropped in stirrer by the material measured, uniform stirring 20 seconds, temperature keeps 40-50 degree Celsius;
(2) preparation of modified rubber powder: heat rubber powder to 65 degree Celsius, is sprayed at the microparticle surfaces of rubber powder by the above-mentioned properties-correcting agent prepared, make all rubber powders moistening, places moistening rubber powder 6-8 hour, obtains modified rubber powder;
(3) dry: moistening modified rubber powder is carried out nature and to dry or after warm braw dries up process, stand-by; Temperature during preparation making beating controls at about 40-50 DEG C;
(4) prepare modified rubber powder insulation cracking resistance polyisoprene rubber and starch finished product: by above-mentioned raw materials polyurethane elastomer, modified rubber powder, polyisoprene rubber, redispersable latex powder, unslaked lime, tetrafluoraoethylene-hexafluoropropylene copolymer, ether of cellulose, air entrapment agent by weight proportioning mix, namely obtain modified rubber powder insulation cracking resistance polyisoprene rubber and starch;
(5) mediate: polyisoprene rubber slurry is placed in engagement in conjunction with 15min, and evenly spray moisture content, water consumption is 35 parts simultaneously;
(6) suppress maintenance: kneaded material is placed in mould, suppressed forming slab by compression molding agent, unit pressure is 6Mpa, and clamping time is 7min, takes off after touching and dries in the dryer of 50-100 DEG C, make slab water content be less than 7%;
(7) polish; Polish smooth goods by polyisoprene rubber ray machine to put in storage.
CN201510412996.1A 2015-07-15 2015-07-15 Crack, oil and high temperature resistant polymer modified exterior wall material and production technology thereof CN105153673A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105837137A (en) * 2016-04-08 2016-08-10 武汉理工大学 Composite reinforcing type mortar for rapid repairing

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1594194A (en) * 2004-07-16 2005-03-16 张志峰 Fiber-reinforced polymer modified crack resistant mortar
CN102225856A (en) * 2011-04-14 2011-10-26 中国新兴保信建设总公司 Crack-resisting mortar for insulation of modified rubber powder and preparation method thereof
CN103909703A (en) * 2014-02-23 2014-07-09 青岛中科昊泰新材料科技有限公司 High-strength high-toughness polyvinyl chloride sheet material and production method thereof
CN104341613A (en) * 2013-07-28 2015-02-11 安徽同丰橡塑工业有限公司 High-temperature-resistant oil-resistant rubber composition and preparation method thereof

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1594194A (en) * 2004-07-16 2005-03-16 张志峰 Fiber-reinforced polymer modified crack resistant mortar
CN102225856A (en) * 2011-04-14 2011-10-26 中国新兴保信建设总公司 Crack-resisting mortar for insulation of modified rubber powder and preparation method thereof
CN104341613A (en) * 2013-07-28 2015-02-11 安徽同丰橡塑工业有限公司 High-temperature-resistant oil-resistant rubber composition and preparation method thereof
CN103909703A (en) * 2014-02-23 2014-07-09 青岛中科昊泰新材料科技有限公司 High-strength high-toughness polyvinyl chloride sheet material and production method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105837137A (en) * 2016-04-08 2016-08-10 武汉理工大学 Composite reinforcing type mortar for rapid repairing
CN105837137B (en) * 2016-04-08 2018-01-12 武汉理工大学 A kind of composite enhanced rapid-patching motar

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Application publication date: 20151216