CN104876487A - Paint for garage top plate cavity internal films - Google Patents

Paint for garage top plate cavity internal films Download PDF

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Publication number
CN104876487A
CN104876487A CN201510249535.7A CN201510249535A CN104876487A CN 104876487 A CN104876487 A CN 104876487A CN 201510249535 A CN201510249535 A CN 201510249535A CN 104876487 A CN104876487 A CN 104876487A
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China
Prior art keywords
cavity inner
inner membrance
water
shed deckhead
powder
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CN201510249535.7A
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Chinese (zh)
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CN104876487B (en
Inventor
么传杰
华雷广
张云强
李振
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SHANDONG LIAOJIAN GROUP Co.,Ltd.
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SHANDONG LIAOCHENG CONSTRUCTION GROUP CO Ltd
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Priority to CN201510249535.7A priority Critical patent/CN104876487B/en
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Abstract

The invention discloses a paint for garage top plate cavity internal films. The paint is prepared from an organosilicon modified styrene-acrylic emulsion, cement, sand, heavy calcium carbonate, redispersible latex powder, hydroxypropyl methylcellulose ether, anti-cracking fibers, a water reducer, an expanding agent, a powder reducer and water. The raw materials can form a flexible cement mortar protective layer with higher bonding power and strength, and the protective layer is coated on the garage top plate cavity internal film, thereby solving the problems of protection in transportation and engineering fireproofing. The product has the advantages of excellent performance, high bonding power and long anti-cracking time and is convenient for production.

Description

A kind of shed deckhead cavity inner membrance coating
Technical field
The present invention relates to a kind of for shed deckhead cavity inner membrance coating, belong to the technical field of construction material of construction.
Background technology
At present, weighting material many employings cavity inner membrance of shed deckhead concrete structure.As the patent No. utility model patent that is 201210536568.6 discloses a kind of shed deckhead structure and constructional method and concrete structural cavities inner membrance, this shed deckhead adopts the cavity inner membrance of concrete structure.Shed deckhead cavity inner membrance is a kind of material of construction, is the block hexahedron with the cutting of expanded polystyrene(EPS) plate.Along with the raising to engineering construction fire protection requirement, this product does not meet fire resistant requirements if do not taked envelope painting measure.Simultaneously because expanded polystyrene(EPS) plate density is lower, material is softer, is easy to collision in transit and causes damage, therefore also needs to adopt envelope to be coated with material and carries out envelope painting.On market existing smear or spray material price too high, cause production cost to increase more, exist simultaneously bonding loosely, easy to crack, the drawback such as come off.
Summary of the invention
For the problems referred to above, the invention provides a kind of shed deckhead cavity inner membrance coating.This coating has good bonding strength and flexibility, can be formed after being used in shed deckhead cavity inner membrance surface layer bonding firmly, the not easy to crack and protective layer that comes off, to solve the collision problem in fire safety problem and transport.
Technical scheme of the present invention is: a kind of shed deckhead cavity inner membrance coating, is characterized in that, be made up of the component of following weight parts: silicone modified styrene-acrylate emulsion 10-15, cement 25-45, husky 30-50, coarse whiting 4-9, redispersible latex powder 0.8-1.5, hydroxypropyl methyl cellulose ether 0.2-0.4, anti-crack fiber 0.2-0.5, water reducer 0.1-1.3, swelling agent 0.1-0.5, powder economization agent 0.2-0.5, water 75-90.
Optimum ratio (weight part): silicone modified styrene-acrylate emulsion 12, cement 40, husky 40, coarse whiting 6, redispersible latex powder 0.8, hydroxypropyl methyl cellulose ether 0.2, anti-crack fiber 0.3, water reducer 0.2, swelling agent 0.3, powder economization agent 0.2, water 85.
Method of preparation and use:
(1) with powder stirrer, above-mentioned materials (not comprising water) is mixed, and stir;
(2) send into mortar mixer, add water the feeding spraying machine that stirs, and spray respectively six faces of shed deckhead cavity inner membrance, make it the thickness reaching regulation, thickness is generally 0.5-1.5mm.
The present invention's organic-silicon-modified benzo emulsion used, for commercially available or self-control, it is by adding water tolerance and the weather resisteant that organosilane monomer (as vinyltriethoxysilane etc.) improves emulsion in benzo emulsion, requiring: solid content is 40-50%, and viscosity is 1000-3000mPas.
The SITREN PSR100 economization agent that the present invention's powder economization agent used preferably adopts Evonik Degussa (China) Co., Ltd. to produce.
It is the technical requirement of 42.5 grades that the present invention's cement used meets intensity in GB175-2007 " general purpose portland cement ".
The present invention's sand used is the one in machine-made sand or river sand, and fineness is 40-70 order, and silt content is not more than 0.5%.
The present invention's anti-crack fiber used is PVA fiber, and its length is not more than 5mm.
The present invention's water reducer used is high-efficiency water-reducing agent of poly-carboxylic acid.
The present invention's swelling agent used is UEA type cement expansive material.
Innovative point of the present invention is: the present invention adopts silicone modified styrene-acrylate emulsion to improve the weathering resistance of matrix, compound adds redispersible latex powder and PVA fiber, powder economization agent, greatly improves the flexibility of matrix and styrofoam, bonding strength and resistance to cleavage.Swelling agent makes grout fully enter the surface gap of styrofoam when solidifying, and improves adhesion strength.Use six faces of paint spay-coating shed deckhead cavity inner membrance polystyrene board of the present invention make it close after, the strong difficult drop-off of bonding force.This coating is mainly inorganic materials, can realize good flameproof effect.
The invention has the beneficial effects as follows: the present invention, with after above-mentioned raw materials prescription, forms a kind of fleximer mortar protective layer with higher bonding, intensity, parcel shed deckhead cavity inner membrance, to solve protection question in transport and engineering fire safety problem.Product performance of the present invention are superior, and bonding force is strong, and cracking resistance is durable, convenient for production.Coating of the present invention also can be used for the other field of expansion polyphenyl plate or extruded sheet, as being used as surface layer interfacial agents of expansion polyphenyl plate or extruded sheet in exterior-wall heat insulation woven wire frame plate etc.
The performance index of product of the present invention are as follows: with styrofoam (density 20kg/m 3) tensile bond intensity>=0.1MPa; With styrofoam (density 20kg/m 3) water-fast tensile bond intensity>=0.1MPa; With styrofoam (density 20kg/m 3) freeze-thaw cycle back draft bonding strength>=0.1MPa; 24 hours water regain≤500g/m 2; Backfin is than≤3.0; Fire performance: be not less than B1 level, meet Architectural Design Requirements.
Embodiment
The present embodiment silicone modified styrene-acrylate emulsion used is commercially available or self-control, requires: solid content 40-50%, viscosity (25 DEG C) 1000-3000mPas, level of residual monomers≤0.5%, pH value 7-9.Powder economization agent used is Evonik Degussa (China) Co., Ltd. SITREN PSR100 economization agent, and its effective constituent is the diatomic alcohol compounds on carrier, and aerated density is about 550g/L.Redispersible latex powder used is that German Wa Ke company produces.It is the technical requirement of 42.5 grades that cement used meets intensity in GB175-2007 " general purpose portland cement ".Sand used is the one in machine-made sand or river sand, and fineness is 40-70 order, and silt content is not more than 0.5%.Anti-crack fiber used is PVA fiber, and its length is not more than 5mm.Water reducer used is high-efficiency water-reducing agent of poly-carboxylic acid.Swelling agent used is UEA type cement expansive material.
Embodiment 1:
Proportioning (weight ratio): silicone modified styrene-acrylate emulsion 12, cement 40, husky 40, coarse whiting 6, redispersible latex powder 0.8, hydroxypropyl methyl cellulose ether 0.2, anti-crack fiber 0.3, water reducer 0.2, swelling agent 0.3, powder economization agent 0.2, water 85.
Method of preparation and use:
(1) with powder stirrer, above-mentioned materials (except water) is mixed, and stir;
(2) send into mortar mixer, add water and stir, make it to reach the state and concentration that are applicable to spraying;
(3) send into spraying machine, six faces of shed deckhead cavity inner membrance are sprayed respectively, makes it the thickness reaching 1mm;
(4) after 3 days, warehouse-in is checked in curing room maintenance.
The performance index of products obtained therefrom are as follows: with styrofoam (density 20kg/m 3) tensile bond intensity be 0.28MPa; With styrofoam (density 20kg/m 3) water-fast tensile bond intensity be 0.23MPa; With styrofoam (density 20kg/m 3) freeze-thaw cycle back draft bonding strength be 0.20MPa; 24 hours water regains are 200g/m 2; Backfin ratio is 1.5; Fire performance: be not less than B1 level, meet Architectural Design Requirements.
Embodiment 2
Proportioning raw materials (weight part): silicone modified styrene-acrylate emulsion 10, cement 40, husky 40, coarse whiting 8, redispersible latex powder 0.8, hydroxypropyl methyl cellulose ether 0.2, anti-crack fiber 0.2, water reducer 0.3, swelling agent 0.3, powder economization agent 0.2, water 75.
Method of preparation and use: with embodiment 1.
The performance index of products obtained therefrom are as follows: with styrofoam (density 20kg/m 3) tensile bond intensity be 0.28MPa; With styrofoam (density 20kg/m 3) water-fast tensile bond intensity be 0.22MPa; With styrofoam (density 20kg/m 3) freeze-thaw cycle back draft bonding strength be 0.18MPa; 24 hours water regains are 300g/m 2; Backfin ratio is 2.1; Fire performance: be not less than B1 level, meet Architectural Design Requirements.
Embodiment 3
Proportioning raw materials (weight part): silicone modified styrene-acrylate emulsion 13, cement 40, husky 40, coarse whiting 5, redispersible latex powder 1.0, hydroxypropyl methyl cellulose ether 0.2, anti-crack fiber 0.2, water reducer 0.2, swelling agent 0.2, powder economization agent 0.2, water 85.
Method of preparation and use: with embodiment 1.
The performance index of products obtained therefrom are as follows: with styrofoam (density 20kg/m 3) tensile bond intensity be 0.25MPa; With styrofoam (density 20kg/m 3) water-fast tensile bond intensity be 0.20MPa; With styrofoam (density 20kg/m 3) freeze-thaw cycle back draft bonding strength be 0.16MPa; 24 hours water regains are 300g/m 2; Backfin ratio is 1.8; Fire performance: be not less than B1 level, meet Architectural Design Requirements.
Above-described embodiment, the just one of the present invention more preferably in embodiment, the usual change that those skilled in the art carries out in the scope of the present invention program and replacement, all should be included in protection scope of the present invention.

Claims (10)

1. a shed deckhead cavity inner membrance coating, is characterized in that, is made up of the component of following weight parts: silicone modified styrene-acrylate emulsion 10-15, cement 25-45, husky 30-50, coarse whiting 4-9, redispersible latex powder 0.8-1.5, hydroxypropyl methyl cellulose ether 0.2-0.4, anti-crack fiber 0.2-0.5, water reducer 0.1-1.3, swelling agent 0.1-0.5, powder economization agent 0.2-0.5, water 75-90.
2. a kind of shed deckhead cavity inner membrance coating as claimed in claim 1, it is characterized in that, be made up of the raw material of following weight parts: silicone modified styrene-acrylate emulsion 12, cement 40, husky 40, coarse whiting 6, redispersible latex powder 0.8, hydroxypropyl methyl cellulose ether 0.2, anti-crack fiber 0.3, water reducer 0.2, swelling agent 0.3, powder economization agent 0.2, water 85.
3. a kind of shed deckhead cavity inner membrance coating as claimed in claim 1 or 2, it is characterized in that, described anti-crack fiber is PVA fiber, and its length is not more than 5mm.
4. a kind of shed deckhead cavity inner membrance coating as claimed in claim 1 or 2, it is characterized in that, described water reducer is high-efficiency water-reducing agent of poly-carboxylic acid.
5. a kind of shed deckhead cavity inner membrance coating as claimed in claim 1 or 2, it is characterized in that, described swelling agent is UEA type cement expansive material.
6. a kind of shed deckhead cavity inner membrance coating as claimed in claim 1 or 2, it is characterized in that, the solid content of described silicone modified styrene-acrylate emulsion is 40-50%, and viscosity is 1000-3000mPas.
7. a kind of shed deckhead cavity inner membrance coating as claimed in claim 1 or 2, it is characterized in that, described powder economization agent is SITREN PSR100 economization agent.
8. a kind of shed deckhead cavity inner membrance coating as claimed in claim 1 or 2, is characterized in that, it is the technical requirement of 42.5 grades that described cement meets intensity in GB175-2007 " general purpose portland cement ".
9. a kind of shed deckhead cavity inner membrance coating as claimed in claim 1 or 2, is characterized in that, described sand is the one in machine-made sand or river sand, and fineness is 40-70 order, and silt content is not more than 0.5%.
10. the using method of a kind of shed deckhead cavity inner membrance coating described in claim 1 or 2, is characterized in that,
(1) with powder stirrer by material mixing than water, and to stir;
(2) send into mortar mixer, add water the feeding spraying machine that stirs, and sprays respectively, make it the thickness reaching regulation to six faces of shed deckhead cavity inner membrance.
CN201510249535.7A 2015-05-15 2015-05-15 A kind of shed deckhead cavity inner membrance coating Active CN104876487B (en)

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Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104328885A (en) * 2014-10-20 2015-02-04 浙江华特实业集团华特化工有限公司 Bonded type coating board for outer wall and manufacturing method thereof

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104328885A (en) * 2014-10-20 2015-02-04 浙江华特实业集团华特化工有限公司 Bonded type coating board for outer wall and manufacturing method thereof

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Effective date of registration: 20190418

Address after: 252400 North An Street, Xinting Street Office, Juxian County, Liaocheng City, Shandong Province

Patentee after: Shandong Nintaus Xinke Agricultural Development Co., Ltd.

Address before: 252000 Dongchang Road, Dongchangfu District, Liaocheng, Shandong 139

Patentee before: Shandong Liaocheng Construction Group Co., Ltd.

TR01 Transfer of patent right
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Effective date of registration: 20210621

Address after: 252000 Shandong city of Liaocheng Province Dongchang Road No. 139

Patentee after: SHANDONG LIAOJIAN GROUP Co.,Ltd.

Address before: 252400 North An Street, Xinting Street Office, Juxian County, Liaocheng City, Shandong Province

Patentee before: SHANDONG JINZHENG XINKE AGRICULTURAL DEVELOPMENT Co.,Ltd.