CN103964792A - Preparation method for resin/ cement composite light weight board - Google Patents

Preparation method for resin/ cement composite light weight board Download PDF

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Publication number
CN103964792A
CN103964792A CN201410151615.4A CN201410151615A CN103964792A CN 103964792 A CN103964792 A CN 103964792A CN 201410151615 A CN201410151615 A CN 201410151615A CN 103964792 A CN103964792 A CN 103964792A
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resin
light weight
preparation
sheet material
composite light
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CN103964792B (en
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徐琪
王臻
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Vanjoin Wuhan New Material Co ltd
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Abstract

The invention discloses a preparation method for a resin/ cement composite light weight board. The resin/ cement composite light weight board is processed and prepared by adopting compound resin, a water-based curing agent, alkali-proof glass staple fibers, a foaming agent, coal ash, calcium hydroxide powder, low-alkaline sulphate aluminium cement, a chemical additive and water in accordance with certain weight proportion. The chemical additive is prepared by adopting the following raw materials in accordance with certain weight proportion: carboxy methyl starch, polyacrylic acid, Alpha-cellulose, lignose, boric acid, calcium sulfonate and calcium chloride. Compared with traditional boards, the resin/cement composite forming board prepared by the preparation method has the advantages that the intensity and toughness are high, the hanging force is strong, the durability is good and the like; moreover, the resin/cement composite light weight board has the characteristics that the heat insulation, sound-proof and damp-proof performances, fire resistance, high durability, light weight, shock resistance are achieved, the manufacture process is simple, the construction is convenient and the like, and the resin/cement composite light weight board is an ideal environment-friendly wall body material.

Description

A kind of preparation method of resin/cementitious composite light weight board
Technical field
The present invention relates to a kind of preparation method of material of construction, relate in particular to a kind of preparation method of resin/cementitious composite light weight board.
Background technology
Along with social development, since country carries out wall reform policy, since particularly building energy-saving standard is the serial compulsory standards such as acceptance specification and enforcement of regulations, novel wall material presents fast-developing trend.
At present, novel wall material kind is more and more, wherein apply morely, have gypsum or cement light partition wall board, color steel, air-entrained concrete building block, steel wire net rack cystose, small concrete block masonry, plasterboard, gypsum block, figuline building blocks, sintered perforated brick, shale brick, solid concrete brick, the large plate of PC, lateral aperture concrete panel, gac body of wall, Novel partition plate etc.
Chinese patent application CN101857459B discloses a kind of lightweight fireproof insulating composite board and preparation method thereof; it comprises: expanded and vitrified small ball, dry powder silico-aluminate gelatinous material, the high mould spandex fiber of mineral, dry powder additive and inert gas blown liquid; wherein; by weight; described expanded and vitrified small ball accounts for 30-40%; described dry powder silico-aluminate gelling material accounts for 50-60%; the high mould spandex fiber of described mineral accounts for 2-4%; described dry powder additive accounts for 3-5%, and described inert gas blown liquid accounts for 1-3%.
It is said that this lightweight fireproof insulating composite board has the features such as light weight, fire prevention, heat insulation, long service life, energy-conserving and environment-protective.
But above-mentioned composite sheet intensity is low, be only suitable for wall insulating sheet materials and use, and its foamed process employing inert gas blown of preparing, its manufacturing cost is relatively high.
This foam cement plate class light wall thermal insulating material commercially available prod is very abundant, mainly contains perlite and cement plate, foamed cement board etc.
But the deficiencies such as above-mentioned foam cement sheet material ubiquity intensity is not high, hanging force and shock-resistant ability are weak, directly cause it to use field relative narrower.
How to carry out the improvement of material modification and manufacturing process, to make on the basis of traditional performance such as heat insulating, light weight, have that intensity is higher, hanging force is better, the good foam cement composite sheet of impact resistance concurrently, become the problem that people are more and more concerned about.
Summary of the invention
The object of the invention is, provide a kind of lightweight, sound insulation, heat insulation, waterproof, fire resistance good, the preparation method of resin/cementitious composite light weight board that intensity is higher, impact resistance is good.
The technical scheme that the present invention adopted is for achieving the above object that a kind of preparation method of resin/cementitious composite light weight board, is characterized in that, comprises the following steps:
A. take composite resin, waterborne curing agent and water and mix by weight 5-20: 2-10: 5-30, adding emulsifying agent, after powerful emulsification, making sheet material strongthener;
B. take low alkali aluminosulfate cement, slaked lime powder, flyash, alkali-proof glass short fiber, whipping agent and water and mix by weight 20-40: 10-20: 20-40: 5-15: 1-5: 10-30, making sheet material base material;
C. take by weight 20-60: 10-20: 2-7: 1-5: 5-10: 3-8: 1-5 carboxymethyl starch, polyacrylic acid, alpha-cellulose, xylogen, boric acid, calcium sulphonate is with calcium chloride and mix, and makes sheet material material modified;
D. by weight 5-20: 60-80: 2-8 by above-mentioned sheet material strongthener, sheet material base material and sheet material is material modified mix after, join in prefabricated mould, heat preservation solidification 3-48h at 60-100 DEG C, the demoulding after composite molding, then through water seasoning 24-100h and get final product.
The technique effect that technique scheme is directly brought is, the board lightweight of preparation, sound insulation, heat insulation, waterproof, fire resistance are good, and intensity is higher, impact resistance good;
And, in above-mentioned sheet material base material preparation process, can use the flyash of larger proportion as raw material, realize and having turned waste into wealth, meet the idea of development of recycling economy.
As preferably, above-mentioned composite resin by aqueous epoxy resins, aqueous polyurethane and urea-formaldehyde resin by weight 3: 1: 1 composite making.
The technique effect that this optimal technical scheme is directly brought is by the synergistic effect of three kinds of resins, to have improved intensity and the toughness of sheet material, and further reduced board materials production cost.
Further preferably, above-mentioned whipping agent is to add the H that has suds-stabilizing agent 2o 2.
The technique effect that this optimal technical scheme is directly brought is, easily processing of sheet material, light energy conservation, the even closely knit sound isolating and heat insulating performance in cavity are good.
Further preferably, above-mentioned aqueous epoxy resins is aqueous acrylic modified epoxy resin.
The technique effect that this optimal technical scheme is directly brought is, space multistory reticulated structure improves the intensity of sheet material, and water resistance is good.
Further preferably, above-mentioned aqueous polyurethane is single-component water-based urethane.
The technique effect that this optimal technical scheme is directly brought is, adding of single-component water-based urethane, is conducive to improve the toughness of sheet material, and impact resistance is good.
Further preferably, above-mentioned urea-formaldehyde resin is water-based urea formaldehyde resin adhesive powder.
The technique effect that this optimal technical scheme is directly brought is, the adding of water-based urea formaldehyde resin adhesive powder, its cohesiveness is good, is conducive to improve the bulk strength of sheet material.
In sum, it is simple, reasonable that the preparation method of resin/cementitious composite light weight board of the present invention has technique, the features such as low cost of manufacture.
Resin/cementitious composite the light weight board that adopts method of the present invention to prepare, has following beneficial effect with respect to prior art:
1, compact structure, light energy conservation, has good post-production performance;
The good combination properties such as 2, sound insulation, heat insulation, waterproof, fire prevention;
3, timber intensity, toughness and impact resistance are good.
Embodiment
Below in conjunction with embodiment, the present invention is elaborated.
Embodiment 1
Taking 2.5 kilograms, 2.5 kilograms of composite resins, 1 kilogram of waterborne curing agent and water is raw material, mixes and stirs, and makes sheet material strongthener after high-shear emulsifying; Taking 10 kilograms, 20 kilograms of alkali aluminosulfate cements, 10 kilograms of slaked lime powders, 20 kilograms, flyash, 5 kilograms of alkali-proof glass short fibers, 1 kilogram of whipping agent and water mixes and is worth sheet material base mateiral; Take 0.15 kilogram of 1 kilogram of carboxymethyl starch, 0.5 kilogram of polyacrylic acid, 0.1 kilogram of alpha-cellulose, 0.05 kilogram, xylogen, 0.25 kilogram of boric acid, calcium sulphonate and mix with 0.05 kilogram, calcium chloride that to make sheet material material modified., stir by above-mentioned three kinds of material mixing together, join in prefabricated mould, stir pressurization, under 60 DEG C of environment, keep 3h, the demoulding, every 12h water seasoning once, curing time 24h, makes sheet material.
Gained sheet material volume dry density is 400kg/m 3, ultimate compression strength 0.5MPa, thermal conductivity is 0.08w/ (mk), suspension force > 1000/N, is beneficial to post-production processing.
Embodiment 2
Taking 5 kilograms, 5 kilograms of composite resins, 2 kilograms of waterborne curing agents and water is raw material, mixes and stirs, and makes sheet material strongthener after high-shear emulsifying; Taking 10 kilograms, 20 kilograms of alkali aluminosulfate cements, 10 kilograms of slaked lime powders, 20 kilograms, flyash, 5 kilograms of alkali-proof glass short fibers, 1 kilogram of whipping agent and water mixes and is worth sheet material base mateiral; Take 0.15 kilogram of 1 kilogram of carboxymethyl starch, 0.5 kilogram of polyacrylic acid, 0.1 kilogram of alpha-cellulose, 0.05 kilogram, xylogen, 0.25 kilogram of boric acid, calcium sulphonate and mix with 0.05 kilogram, calcium chloride that to make sheet material material modified., stir by above-mentioned three kinds of material mixing together, join in prefabricated mould, stir pressurization, under 60 DEG C of environment, keep 12h, mould is removed, and takes out sheet material every 12h water seasoning once, maintenance 24h altogether.
Gained sheet material volume dry density is 350kg/m 3, ultimate compression strength 1MPa, thermal conductivity is 0.08w/ (mk), suspension force > 1200/N, is beneficial to post-production processing.
Embodiment 3
Taking 15 kilograms, 10 kilograms of composite resins, 5 kilograms of waterborne curing agents and water is raw material, mixes and stirs, and makes sheet material strongthener after high-shear emulsifying; Taking 15 kilograms, 20 kilograms of alkali aluminosulfate cements, 15 kilograms of slaked lime powders, 35 kilograms, flyash, 10 kilograms of alkali-proof glass short fibers, 3 kilograms of whipping agents and water mixes and is worth sheet material base mateiral; Take 0.3 kilogram of 2 kilograms of carboxymethyl starch, 1 kilogram of polyacrylic acid, 0.2 kilogram of alpha-cellulose, 0.1 kilogram, xylogen, 0.4 kilogram of boric acid, calcium sulphonate and mix with 0.1 kilogram, calcium chloride that to make sheet material material modified., stir by above-mentioned three kinds of material mixing together, join in prefabricated mould, stir pressurization, under 80 DEG C of environment, keep 24h, mould is removed, and takes out sheet material every 24h water seasoning once, maintenance 72h altogether.
Gained sheet material volume dry density is 300kg/m 3, ultimate compression strength 3MPa, thermal conductivity is 0.06w/ (mk), suspension force > 1400/N, is beneficial to post-production processing.
Embodiment 4
Taking 15 kilograms, 10 kilograms of composite resins, 5 kilograms of waterborne curing agents and water is raw material, mixes and stirs, and makes sheet material strongthener after high-shear emulsifying; Taking 30 kilograms, 30 kilograms of alkali aluminosulfate cements, 15 kilograms of slaked lime powders, 20 kilograms, flyash, 15 kilograms of alkali-proof glass short fibers, 5 kilograms of whipping agents and water mixes and is worth sheet material base mateiral; Take 0.4 kilogram of 3 kilograms of carboxymethyl starch, 2 kilograms of polyacrylic acid, 0.35 kilogram of alpha-cellulose, 0.25 kilogram, xylogen, 0.5 kilogram of boric acid, calcium sulphonate and mix with 0.25 kilogram, calcium chloride that to make sheet material material modified., stir by above-mentioned three kinds of material mixing together, join in prefabricated mould, stir pressurization, under 90 DEG C of environment, keep 36h, mould is removed, and takes out sheet material every 24h water seasoning once, maintenance 100h altogether.
Gained sheet material volume dry density is 250kg/m 3, ultimate compression strength 6MPa, thermal conductivity is 0.055w/ (mk), suspension force > 1500/N, is beneficial to post-production processing.
Embodiment 5
Taking 15 kilograms, 10 kilograms of composite resins, 5 kilograms of waterborne curing agents and water is raw material, mixes and stirs, and makes sheet material strongthener after high-shear emulsifying; Taking 30 kilograms, 40 kilograms of alkali aluminosulfate cements, 20 kilograms of slaked lime powders, 20 kilograms, flyash, 15 kilograms of alkali-proof glass short fibers, 5 kilograms of whipping agents and water mixes and is worth sheet material base mateiral; Take 0.3 kilogram of 2 kilograms of carboxymethyl starch, 1.5 kilograms of polyacrylic acid, 0.3 kilogram of alpha-cellulose, 0.25 kilogram, xylogen, 0.3 kilogram of boric acid, calcium sulphonate and mix with 0.2 kilogram, calcium chloride that to make sheet material material modified., stir by above-mentioned three kinds of material mixing together, join in prefabricated mould, stir pressurization, under 100 DEG C of environment, keep 36h, mould is removed, and takes out sheet material every 24h water seasoning once, maintenance 100h altogether.
Gained panel density is 280kg/m 3, ultimate compression strength 6MPa, thermal conductivity is 0.05w/ (mk), suspension force > 1500/N, is beneficial to post-production processing.

Claims (6)

1. a preparation method for resin/cementitious composite light weight board, is characterized in that, comprises the following steps:
A. take composite resin, waterborne curing agent and water and mix by weight 5-20: 2-10: 5-30, adding emulsifying agent, after powerful emulsification, making sheet material strongthener;
B. take low alkali aluminosulfate cement, slaked lime powder, flyash, alkali-proof glass short fiber, whipping agent and water and mix by weight 20-40: 10-20: 20-40: 5-15: 1-5: 10-30, making sheet material base material;
C. take by weight 20-60: 10-20: 2-7: 1-5: 5-10: 3-8: 1-5 carboxymethyl starch, polyacrylic acid, alpha-cellulose, xylogen, boric acid, calcium sulphonate is with calcium chloride and mix, and makes sheet material material modified;
D. by weight 5-20: 60-80: 2-8 by above-mentioned sheet material strongthener, sheet material base material and sheet material is material modified mix after, join in prefabricated mould, heat preservation solidification 3-48h at 60-100 DEG C, the demoulding after composite molding, then through water seasoning 24-100h and get final product.
2. the preparation method of resin/cementitious composite light weight board according to claim 1, is characterized in that, described composite resin is by aqueous epoxy resins, aqueous polyurethane and urea-formaldehyde resin 3: 1: 1 composite making by weight.
3. the preparation method of resin/cementitious composite light weight board according to claim 2, is characterized in that, described whipping agent is to add the H that has suds-stabilizing agent 2o 2.
4. the preparation method of resin/cementitious composite light weight board according to claim 2, is characterized in that, described aqueous epoxy resins is aqueous acrylic modified epoxy resin.
5. the preparation method of resin/cementitious composite light weight board according to claim 2, is characterized in that, described aqueous polyurethane is single-component water-based urethane.
6. the preparation method of resin/cementitious composite light weight board according to claim 2, is characterized in that, described urea-formaldehyde resin is water-based urea formaldehyde resin adhesive powder.
CN201410151615.4A 2014-04-16 2014-04-16 A kind of preparation method of resin/cementitious composite light weight board Expired - Fee Related CN103964792B (en)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104860620A (en) * 2015-04-28 2015-08-26 昆明理工大学 Copolymer enhanced lightweight gypsum decorative materials
CN105802108A (en) * 2016-03-18 2016-07-27 苏州亚思科精密数控有限公司 Machine tool foundation built by adopting foaming cement
CN106495614A (en) * 2016-10-28 2017-03-15 南京信息工程大学 A kind of compounding insulating material and preparation method thereof
CN107235664A (en) * 2017-07-04 2017-10-10 合肥市大卓电力有限责任公司 A kind of light-weight environment-friendly sheet material and preparation method thereof
CN109185599A (en) * 2018-08-31 2019-01-11 南通江山农药化工股份有限公司 Lightening fire resistant heat-insulating material and its foam process
CN109704673A (en) * 2019-01-03 2019-05-03 温州市艺都装潢有限公司 A kind of exterior wall environment-friendly insulating material
CN113845347A (en) * 2021-10-28 2021-12-28 重庆伍圣建材有限公司 High-strength high-toughness composite compact cementing material

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JP2009270380A (en) * 2008-05-09 2009-11-19 Maitekku:Kk 60 min heatproof building material and its manufacturing method
CN201390002Y (en) * 2009-04-15 2010-01-27 义乌市安冬电器有限公司 Compound board for electric fireplace frame
CN101733821A (en) * 2009-11-12 2010-06-16 徐琪 Processing method of novel light energy-saving environmental-protection board
CN103254609A (en) * 2013-05-10 2013-08-21 苏州工业园区方圆金属制品有限公司 Novel polycarbonate plant fiber wood-plastic composite board
CN103482933A (en) * 2013-09-12 2014-01-01 东南大学 Fiber-reinforced composite insulation board and extrusion forming preparing method

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JP2009270380A (en) * 2008-05-09 2009-11-19 Maitekku:Kk 60 min heatproof building material and its manufacturing method
CN201390002Y (en) * 2009-04-15 2010-01-27 义乌市安冬电器有限公司 Compound board for electric fireplace frame
CN101733821A (en) * 2009-11-12 2010-06-16 徐琪 Processing method of novel light energy-saving environmental-protection board
CN103254609A (en) * 2013-05-10 2013-08-21 苏州工业园区方圆金属制品有限公司 Novel polycarbonate plant fiber wood-plastic composite board
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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104860620A (en) * 2015-04-28 2015-08-26 昆明理工大学 Copolymer enhanced lightweight gypsum decorative materials
CN105802108A (en) * 2016-03-18 2016-07-27 苏州亚思科精密数控有限公司 Machine tool foundation built by adopting foaming cement
CN105802108B (en) * 2016-03-18 2018-09-07 新昌县羽林街道达康机械厂 A kind of lathe ground built using foam cement
CN106495614A (en) * 2016-10-28 2017-03-15 南京信息工程大学 A kind of compounding insulating material and preparation method thereof
CN107235664A (en) * 2017-07-04 2017-10-10 合肥市大卓电力有限责任公司 A kind of light-weight environment-friendly sheet material and preparation method thereof
CN109185599A (en) * 2018-08-31 2019-01-11 南通江山农药化工股份有限公司 Lightening fire resistant heat-insulating material and its foam process
CN109704673A (en) * 2019-01-03 2019-05-03 温州市艺都装潢有限公司 A kind of exterior wall environment-friendly insulating material
CN109704673B (en) * 2019-01-03 2021-08-24 温州市艺都装潢有限公司 Environment-friendly heat-insulating material for external wall
CN113845347A (en) * 2021-10-28 2021-12-28 重庆伍圣建材有限公司 High-strength high-toughness composite compact cementing material

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