CN102995777A - Composite expanded and vitrified microbead heat-insulation mortar slab with ceramsite-reinforced surfaces and production method thereof - Google Patents
Composite expanded and vitrified microbead heat-insulation mortar slab with ceramsite-reinforced surfaces and production method thereof Download PDFInfo
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- CN102995777A CN102995777A CN2012104803700A CN201210480370A CN102995777A CN 102995777 A CN102995777 A CN 102995777A CN 2012104803700 A CN2012104803700 A CN 2012104803700A CN 201210480370 A CN201210480370 A CN 201210480370A CN 102995777 A CN102995777 A CN 102995777A
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Abstract
The invention relates to a composite expanded and vitrified microbead heat-insulation mortar slab with ceramsite-reinforced surfaces and a production method thereof. The composite expanded and vitrified microbead heat-insulation mortar slab consists of an upper surface layer, a lower surface layer and a sandwich layer, wherein the sandwich layer is expanded and vitrified microbead heat-insulation mortar; the upper surface layer and the lower surface layer are expanded and vitrified microbead heat-insulation mortar doped with ultralight ceramsite aggregate, wherein the ultralight ceramsite with the bulk density of being lower than 300Kg/m <3> is selected. The mass ratio of the ultralight ceramsite to the expanded and vitrified microbeads is 1: 1. The production method comprises the following steps of: respectively preparing dry blend of the upper surface layer, the lower surface layer and the sandwich layer according to the used proportions, then respectively and uniformly mixing, respectively adding water according to the ratio of 1: 1 of water to each mixture, respectively stirring for 3min, forming a slab in a mould, and adjusting the thickness of the slab according to actual requirements, wherein the thicknesses of the upper surface layer and the lower surface layer are respectively 5-10mm, and the thickness of the sandwich layer is 30-60mm. The heat-insulation mortar slab has the excellent properties of light weight, small heat insulation coefficient, fireproofness, high surface strength and the like.
Description
Technical field
The invention belongs to the wall heat insulation material field, relate to the manufacture method that a kind of haydite strengthens the compound expansion vitrification bead heat-preserving mortar sheet material on surface.
Background technology
Expanded and vitrified small ball is a kind of inorganic light weight particulate species material monomer with better heat-insulating property that development in recent years is got up; its inner porous cavity; surface vitreous sealing; gloss is level and smooth; physicochemical property is stable; have light weight, thermal insulation, fire prevention, high-low temperature resistant, the excellent specific property such as anti-aging, water absorption rate is little is a kind of environment-friendly type high performance heat preserving and insulating material.But because its intensity is low, the expansion vitrification bead heat-preserving mortar timber intensity of large volume aggregate institute moulding is lower.
Summary of the invention
The objective of the invention is to improve the in the market low defective of expansion vitrification bead heat-preserving mortar sheet material surface strength; adopt composite construction; inner sandwich of layers adopts the expansion vitrification bead heat-preserving mortar; unit weight own is little, coefficient of thermal conductivity is low, and high insulating effect is at the expansion vitrification bead heat-preserving mortar of upper and lower surface employing admixture Superlight ceramsites; one-shot forming; without stratification, whole unit weight is little between the plate construction layer, and surface strength is high.Solve well the contradiction of intensity and unit weight, had good application prospect in the exterior wall field of thermal insulation.
A kind of haydite strengthens the compound expansion vitrification bead heat-preserving mortar sheet material on surface, it is characterized in that, is comprised of upper and lower surface layer and middle sandwich of layers; The upper and lower surface layer thickness is 5～10mm, and it consists of the expansion vitrification bead heat-preserving mortar of admixture Superlight ceramsites, and composition and mass fraction are: 80～120 parts of cement, particle diameter are that 2～4mm, bulk density are less than 300Kg/m
380～120 parts of Superlight ceramsites, bulk density is 80～120Kg/m
380～120 parts of expanded and vitrified small balls, 1～3 part of redispersable latex powder, 0.2～0.4 part of cellulose ether, 0.2～0.6 part of polypropylene fibre, 0.8～1 part of wood fibre, 0～0.04 part of air entraining agent, water material mass ratio 1:1; Sandwich of layers thickness 30～60mm, it consists of the expanded and vitrified small ball light heat-insulation mortar, and composition and mass fraction are: 80～120 parts of cement, bulk density are 80～120Kg/m
380～120 parts of expanded and vitrified small balls, 1～3 part of redispersable latex powder, 0.2～0.4 part of cellulose ether, 0.2～0.6 part of polypropylene fibre, 0.8～1 part of wood fibre, 0～0.02 part of air entraining agent, water material mass ratio 1:1.
Described haydite strengthens the compound expansion vitrification bead heat-preserving mortar sheet material on surface, and its preparation method is:
(1) by described proportioning preparation upper and lower surface layer and sandwich of layers dry blend;
(2) upper and lower surface layer and sandwich of layers dry blend are stirred respectively 2min in mixer, dry blend is mixed;
(3) add water by water material mass ratio 1:1 respectively and stir 3min;
(4) sequentially pour slurry into according to undersurface layer, sandwich of layers and upper surface layer, mould is placed plain bumper, jolt ramming time 10s is set, strike off with spatula;
(5) with maintenance 28d under the moulding sample piece normal temperature, survey its dry apparent density, compressive strength and rupture strength.
Technical scheme of the present invention comprises following main points:
1, thermal insulation mortar sheet material is " sandwich style " composite construction, and sandwich of layers adopts expansion vitrification bead heat-preserving mortar, thickness 30～60mm; The upper and lower surface layer adopts the expansion vitrification bead heat-preserving mortar of admixture haydite, and thickness is 5～10mm.
2, the compound expansion vitrification bead heat-preserving mortar board selection particle diameter on haydite enhancing surface is that 2～4mm, bulk density are less than 300Kg/m
3Superlight ceramsites, the expanded and vitrified small ball bulk density is 80～120Kg/m
3
3, sandwich of layers expansion vitrification bead heat-preserving mortar constituent and mass fraction are: 80～120 parts of 42.5 class g cements; 80～120 parts of glass beads; 1～3 part of redispersable latex powder; 0.2～0.4 part of cellulose ether; 0.2～0.6 part of polypropylene fibre; 0.8～1 part of wood fibre, 0～0.02 part of air entraining agent.Upper and lower surface layer dry blend forms and parts by weight are: 80～120 parts of 42.5 class g cements; 80～120 parts of haydites; 80～120 parts of glass beads; 1～3 part of redispersable latex powder; 0.2～0.4 part of cellulose ether; 0.2～0.6 part of polypropylene fibre, 0.8～1 part of wood fibre, 0～0.04 part of air entraining agent.
Advantage of the present invention
The invention has the advantages that employing " sandwich style " composite construction; adopt the mortar of admixture Superlight ceramsites in upper and lower surface; and inner sandwich of layers still adopts the expanded and vitrified small ball light heat-insulation mortar; can obtain the high thermal insulation mortar sheet material of lightweight and surface strength; solve well the contradiction of intensity and density, had good application prospect in the exterior wall field of thermal insulation.
Description of drawings
Fig. 1 structural representation of the present invention.
The specific embodiment
Example 1
At first prepare respectively dry blend by upper and lower surface layer and sandwich of layers proportioning, wherein upper and lower surface layer composition and parts by weight are: 100 parts of 42.5 class g cements, particle diameter are that 2～4mm, bulk density are less than 300Kg/m
3100 parts of Superlight ceramsites, bulk density is 100Kg/m
3100 parts of expanded and vitrified small balls, 2 parts of redispersable latex powders (DN-4100), 0.3 part of hydroxypropyl methyl cellulose ether, 0.4 part of polypropylene fibre, 0.9 part of wood fibre, the mortar that Fu Teen Science and Technology Ltd. in Beijing produces is with 0.01 part of air entraining agent.Sandwich of layers forms and parts by weight are: 100 parts of 42.5 class g cements, bulk density are 100Kg/m
3100 parts of expanded and vitrified small balls, 2 parts of redispersable latex powders (DN-4100), 0.3 part of hydroxypropyl methyl cellulose ether, 0.4 part of polypropylene fibre, 0.9 part of wood fibre, the mortar that Fu Teen Science and Technology Ltd. in Beijing produces is with 0.015 part of air entraining agent.Pour respectively dry blend into mixer mixing 2min, dry blend is mixed, add entry by ratio of water to material 1:1 and stir 3min.At the sample piece of die for molding 300mm * 300mm * 30mm, making upper and lower surface layer thickness is 5mm, and intermediate layer thickness is 20mm, mould is placed on the plain bumper, jolt ramming time 10s is set, strike off with spatula, with maintenance 28d under the moulding sample normal temperature, surveying its dry apparent density is 250 kg/m
3, compressive strength is 1.3MPa, rupture strength is 0.8 MPa.
Example 2
At first prepare respectively dry blend by upper and lower surface layer and sandwich of layers proportioning, wherein upper and lower surface layer composition and parts by weight are: 80 parts of 42.5 class g cements, particle diameter are that 2～4mm, bulk density are less than 300Kg/m
3120 parts of Superlight ceramsites, bulk density is 100Kg/m
380 parts of expanded and vitrified small balls, 1 part of redispersable latex powder (DN-4100), 0.4 part of hydroxypropyl methyl cellulose ether, 0.2 part of polypropylene fibre, 0.8 part of wood fibre, 0 part of air entraining agent.Sandwich of layers forms and parts by weight are: 80 parts of 42.5 class g cements, bulk density are 100Kg/m
380 parts of expanded and vitrified small balls, 1 part of redispersable latex powder (DN-4100), 0.4 part of hydroxypropyl methyl cellulose ether, 0.2 part of polypropylene fibre, 0.8 part of wood fibre, 0 part of air entraining agent.Pour respectively dry blend into mixer mixing 2min, dry blend is mixed, add entry by water/binder ratio 1:1 and stir 3min.At the sample piece of die for molding 300mm * 300mm * 30mm, making upper and lower surface layer thickness is 5mm, and intermediate layer thickness is 20mm, mould is placed plain bumper, jolt ramming time 1min is set, strike off with spatula, with maintenance 28d under the moulding sample piece normal temperature, surveying its dry density is 280 kg/m
3, compressive strength is 1.5MPa, rupture strength is 0.7 MPa.
Example 3
At first prepare respectively dry blend by upper and lower surface layer and sandwich of layers proportioning, wherein upper and lower surface layer composition and parts by weight are: 120 parts of 42.5 class g cements, particle diameter are that 2～4mm, bulk density are less than 300Kg/m
380 parts of Superlight ceramsites, bulk density is 100Kg/m
3120 parts of expanded and vitrified small balls, 3 parts of redispersable latex powders (DN-4100), 0.2 part of hydroxypropyl methyl cellulose ether, 0.6 part of polypropylene fibre, 1 part of wood fibre, 0.02 part of air entraining agent.Sandwich of layers forms and parts by weight are: 120 parts of 42.5 class g cements, bulk density are 100Kg/m
3120 parts of expanded and vitrified small balls, 3 parts of redispersable latex powders (DN-4100), 0.2 part of hydroxypropyl methyl cellulose ether, 0.6 part of polypropylene fibre, 1 part of wood fibre, the mortar that Fu Teen Science and Technology Ltd. in Beijing produces is with 0.04 part of air entraining agent.Pour respectively dry blend into mixer mixing 2min, dry blend is mixed, add entry by ratio of water to material 1:1 and stir 3min.At the sample piece of die for molding 300mm * 300mm * 30mm, making upper and lower surface layer thickness is 5mm, and intermediate layer thickness is 20mm, mould is placed plain bumper, jolt ramming time 10s is set, strike off with spatula, with maintenance 28d under the moulding sample piece normal temperature, surveying its dry density is 230 kg/m
3, compressive strength is 1MPa, rupture strength is 0.6 MPa.
Claims (2)
1. a haydite strengthens the compound expansion vitrification bead heat-preserving mortar sheet material on surface, it is characterized in that, is comprised of upper and lower surface layer and middle sandwich of layers; The upper and lower surface layer thickness is 5～10mm, and it consists of the expansion vitrification bead heat-preserving mortar of admixture Superlight ceramsites, and composition and mass fraction are: 80～120 parts of cement, particle diameter are that 2～4mm, bulk density are less than 300Kg/m
380～120 parts of Superlight ceramsites, bulk density is 80～120Kg/m
380～120 parts of expanded and vitrified small balls, 1～3 part of redispersable latex powder, 0.2～0.4 part of cellulose ether, 0.2～0.6 part of polypropylene fibre, 0.8～1 part of wood fibre, 0～0.04 part of air entraining agent, water material mass ratio 1:1; Sandwich of layers thickness 30～60mm, it consists of the expanded and vitrified small ball light heat-insulation mortar, and composition and mass fraction are: 80～120 parts of cement, bulk density are 80～120Kg/m
380～120 parts of expanded and vitrified small balls, 1～3 part of redispersable latex powder, 0.2～0.4 part of cellulose ether, 0.2～0.6 part of polypropylene fibre, 0.8～1 part of wood fibre, 0～0.02 part of air entraining agent, water material mass ratio 1:1.
2. haydite according to claim 1 strengthens the compound expansion vitrification bead heat-preserving mortar sheet material on surface, and its preparation method is:
(1) by described proportioning preparation upper and lower surface layer and sandwich of layers dry blend;
(2) upper and lower surface layer and sandwich of layers dry blend are stirred respectively 2min in mixer, dry blend is mixed;
(3) add water by water material mass ratio 1:1 respectively and stir 3min;
(4) sequentially pour slurry into according to undersurface layer, sandwich of layers and upper surface layer, mould is placed plain bumper, jolt ramming time 10s is set, strike off with spatula;
(5) with maintenance 28d under the moulding sample piece normal temperature, survey its dry apparent density, compressive strength and rupture strength.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104310867A (en) * | 2014-09-25 | 2015-01-28 | 徐花 | Expanded and vitrified bead thermal insulation mortar |
| CN106866068A (en) * | 2017-01-21 | 2017-06-20 | 浙江益森科技股份有限公司 | A kind of assembled architecture containing building waste compound PC Mortar Plates of high-strength light |
| CN109138734A (en) * | 2018-10-26 | 2019-01-04 | 中海怡高建设集团股份有限公司 | A kind of novel energy-saving environment-friendly composite wooden profile and its manufacturing method |
| CN110759686A (en) * | 2019-12-26 | 2020-02-07 | 湖南斯多孚节能科技有限公司 | Modified vitrified micro bubble heat-insulation composite board and preparation method thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104310867A (en) * | 2014-09-25 | 2015-01-28 | 徐花 | Expanded and vitrified bead thermal insulation mortar |
| CN106866068A (en) * | 2017-01-21 | 2017-06-20 | 浙江益森科技股份有限公司 | A kind of assembled architecture containing building waste compound PC Mortar Plates of high-strength light |
| CN109138734A (en) * | 2018-10-26 | 2019-01-04 | 中海怡高建设集团股份有限公司 | A kind of novel energy-saving environment-friendly composite wooden profile and its manufacturing method |
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| CN110759686A (en) * | 2019-12-26 | 2020-02-07 | 湖南斯多孚节能科技有限公司 | Modified vitrified micro bubble heat-insulation composite board and preparation method thereof |
| CN110759686B (en) * | 2019-12-26 | 2020-05-26 | 湖南斯多孚节能科技有限公司 | Modified vitrified micro bubble heat-insulation composite board and preparation method thereof |
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