阅读说明：本技术 一种建筑室内蓄能保温材料及其制备方法 (Building indoor energy storage and heat insulation material and preparation method thereof ) 是由 刘丙强 于 2018-06-07 设计创作，主要内容包括：本发明公开了一种建筑室内蓄能保温材料及其制备方法,保温材料采用的原料包括硅墨烯原料组合物和相变微胶囊材料,所述相变微胶囊材料的相变储热值大于200J/g,所述硅墨烯原料组合物与所述相变微胶囊材料的质量比为95:5至80:20。本发明的建筑室内蓄能保温材料及其制备方法在不改变原有硅墨烯保温材料性能的前提下,使其具有了蓄能功能。在保持良好的保温性能、防火功能与施工安全性的前提下,对调节室内环境温度、提高居住舒适度、节能降耗起到积极作用。(the invention discloses an indoor energy storage and heat insulation material for buildings and a preparation method thereof, wherein raw materials adopted by the heat insulation material comprise a silicon graphene raw material composition and a phase change microcapsule material, the phase change heat storage value of the phase change microcapsule material is more than 200J/g, and the mass ratio of the silicon graphene raw material composition to the phase change microcapsule material is 95: 5-80: 20. The building indoor energy storage and heat preservation material and the preparation method thereof have the energy storage function on the premise of not changing the performance of the original silicon graphene heat preservation material. On the premise of keeping good heat preservation performance, fireproof function and construction safety, the heat-insulation fireproof heat-insulation board plays a positive role in adjusting indoor environment.)

1. The building indoor energy storage heat insulation material is characterized in that raw materials of the material comprise a silicon graphene raw material composition and a phase change microcapsule material, wherein the silicon graphene raw material composition comprises 10-121 parts of silicon minerals, 60-100 parts of a binder, 80-270 parts of a mineral activator, 5-15 parts of an additive, 1-2 parts of reinforcing fibers, 12-20 parts of pre-foamed graphite polystyrene particles and 40-65 parts of water, the phase change heat storage value of the phase change microcapsule material is more than 200J/g, and the mass ratio of the silicon graphene raw material composition to the phase change microcapsule material is 95: 5-80: 20.

2. The indoor energy storage and heat preservation material for the building as claimed in claim 1, wherein the siliceous minerals comprise active silica fume, silica, vitrified micro bubbles and quartz powder, the binder comprises cement, calcium oxide and fly ash, the mineral activator comprises sodium silicate and sodium fluosilicate, and the additives comprise a water reducing agent, a waterproof agent, redispersible latex powder, cellulose ether, graphite and a foaming agent.

3. The indoor energy storage and heat insulation material for the building as claimed in claim 1, wherein the composition of the graphene raw material comprises the following components in parts by weight: 50 parts of water; 30-50 parts of active silica fume; 3-5 parts of silicon dioxide; 5-6 parts of vitrified micro bubbles; 50-60 parts of quartz powder; 40-50 parts of cement; 25-30 parts of calcium oxide; 8-15 parts of fly ash; 90-110 parts of sodium silicate; 4-5 parts of sodium fluosilicate; 1 part of a water reducing agent; 2 parts of a waterproof agent; 2-3 parts of redispersible latex powder; 2 parts of cellulose ether; 4-5 parts of a foaming agent; 3 parts of graphite; 1 part of reinforcing fiber; 12-15 parts of pre-expanded graphite polystyrene particles.

4. The indoor energy storage and heat insulation material for the building as claimed in claim 1, wherein the mass ratio of the silicon graphene raw material composition to the phase change microcapsule material is 90:10 to 84: 16.

5. the indoor energy storage and heat insulation material for the building as claimed in claim 1, wherein the mass ratio of the silicon graphene raw material composition to the phase change microcapsule material is 88:12 to 86: 14.

6. The indoor energy storage and heat insulation material for the building as claimed in claim 1, wherein the phase change microcapsule material comprises a core material and a wall material, the core material comprises the phase change material, the wall material is silicon dioxide, and the core material accounts for 85-90% of the phase change microcapsule material by mass.

7. the indoor energy storage and heat insulation material for the building as claimed in claim 6, wherein the phase change material is alkane solid-liquid phase change material, and the phase change temperature of the phase change material is 20-40 ℃.

8. The indoor energy storage and heat insulation material for the building as claimed in claim 6, wherein the phase change material is paraffin or octadecane.

9. A preparation method of a building indoor energy storage and heat insulation material is characterized by comprising the following steps:

S1, uniformly premixing raw material compositions comprising 10-121 parts of siliceous minerals, 60-100 parts of binders, 80-270 parts of mineral activators, 5-15 parts of additives, 1-2 parts of reinforcing fibers, 12-20 parts of pre-expanded graphite polystyrene particles and 40-65 parts of water, and stirring the raw material compositions into a gelatinous silicon graphene raw material composition;

S2, uniformly mixing the silicon graphene raw material composition with the phase-change microcapsule material according to the mass ratio of 95:5 to 80:20 to form a gelatinous premix raw material composition;

s3, inputting the premix raw material composition into a mold with adjustable thickness, compressing the premix raw material composition in the thickness direction by 45-55% for molding, and locking the mold to keep the premix raw material composition at a pressure of 0.15-0.2 MPa;

s4, heating the die to perform secondary foaming on the graphite polystyrene particles, so that the temperature inside the premix raw material composition reaches 65-130 ℃, and keeping the temperature for 8-30 minutes;

and S5, cooling the premix raw material composition, demolding and curing.

10. The method for preparing an indoor energy storage and thermal insulation material for buildings as claimed in claim 9, wherein the temperature inside the premix raw material composition is brought to 85-110 ℃ and maintained for 10-12 minutes in step S4.

Technical Field

The invention relates to the field of building materials, in particular to a building indoor energy storage and heat insulation material and a preparation method thereof.

background

At present, the main measures of building energy conservation are concentrated on building walls, roofs, doors and windows, the walls are the most main enclosure structure systems which also can achieve the energy-saving target, and the heat insulation performance of common internal heat insulation products is improved through the self heat insulation performance, the heat storage performance is generally poor, the absorption, the storage and the release of heat energy cannot be realized, and the requirement of summer heat and winter cold areas on the heat insulation of the walls cannot be met.

Disclosure of Invention

The invention aims to overcome the defect that the wall body can not absorb, store and release heat energy in the prior art, and provides an indoor energy storage and heat insulation material for a building and a preparation method thereof.

the invention solves the technical problems through the following technical scheme:

the building indoor energy storage heat insulation material is characterized in that raw materials of the material comprise a silicon graphene raw material composition and a phase change microcapsule material, wherein the silicon graphene raw material composition comprises 10-121 parts of silicon minerals, 60-100 parts of a binder, 80-270 parts of a mineral activator, 5-15 parts of an additive, 1-2 parts of reinforcing fibers, 12-20 parts of pre-foamed graphite polystyrene particles and 40-65 parts of water, the phase change heat storage value of the phase change microcapsule material is more than 200J/g, and the mass ratio of the silicon graphene raw material composition to the phase change microcapsule material is 95: 5-80: 20.

Preferably, the siliceous mineral comprises active silica fume, silicon dioxide, vitrified micro bubbles and quartz powder, the binder comprises cement, calcium oxide and fly ash, the mineral excitant comprises sodium silicate and sodium fluosilicate, and the additive comprises a water reducing agent, a waterproof agent, redispersible latex powder, cellulose ether, graphite and a foaming agent.

Preferably, the silicon graphene raw material composition comprises the following components in parts by weight: 50 parts of water; 30-50 parts of active silica fume; 3-5 parts of silicon dioxide; 5-6 parts of vitrified micro bubbles; 50-60 parts of quartz powder; 40-50 parts of cement; 25-30 parts of calcium oxide; 8-15 parts of fly ash; 90-110 parts of sodium silicate; 4-5 parts of sodium fluosilicate; 1 part of a water reducing agent; 2 parts of a waterproof agent; 2-3 parts of redispersible latex powder; 2 parts of cellulose ether; 4-5 parts of a foaming agent; 3 parts of graphite; 1 part of reinforcing fiber; 12-15 parts of pre-expanded graphite polystyrene particles.

preferably, the mass ratio of the silicon graphene raw material composition to the phase-change microcapsule material is 90:10 to 84: 16.

Preferably, the mass ratio of the silicon graphene raw material composition to the phase-change microcapsule material is 88:12 to 86: 14.

Preferably, the phase change microcapsule material comprises a core material and a wall material, wherein the core material comprises the phase change material, the wall material is silicon dioxide, and the core material accounts for 85-90% of the phase change microcapsule material by mass.

Preferably, the phase change material is an alkane solid-liquid phase change material, and the phase change temperature of the phase change material is 20-40 ℃.

preferably, the phase change material is paraffin or octadecane.

Preferably, the particle size of the phase-change microcapsule material is 1 to 10 micrometers.

A preparation method of a building indoor energy storage and heat insulation material is characterized by comprising the following steps:

S1, uniformly premixing raw material compositions comprising 10-121 parts of siliceous minerals, 60-100 parts of binders, 80-270 parts of mineral activators, 5-15 parts of additives, 1-2 parts of reinforcing fibers, 12-20 parts of pre-expanded graphite polystyrene particles and 40-65 parts of water, and stirring the raw material compositions into a gelatinous silicon graphene raw material composition;

S2, uniformly mixing the silicon graphene raw material composition with the phase-change microcapsule material according to the mass ratio of 95:5 to 80:20 to form a gelatinous premix raw material composition;

s3, inputting the premix raw material composition into a mold with adjustable thickness, compressing the premix raw material composition in the thickness direction by 45-55% for molding, and locking the mold to keep the premix raw material composition at a pressure of 0.15-0.2 MPa;

S4, heating the die to perform secondary foaming on the graphite polystyrene particles, so that the temperature inside the premix raw material composition reaches 65-130 ℃, and keeping the temperature for 8-30 minutes;

and S5, cooling the raw material composition, demolding and curing.

Preferably, in step S4, the temperature inside the premix raw material composition is brought to 85 to 110 ℃, and maintained for 10 to 12 minutes.

Preferably, the mold is locked with a lock.

On the basis of the common knowledge in the field, the above preferred conditions can be combined randomly to obtain the preferred embodiments of the invention.

The positive progress effects of the invention are as follows: the building indoor energy storage and heat preservation material and the preparation method thereof have the energy storage function on the premise of not changing the performance of the original silicon graphene heat preservation material. On the premise of keeping good heat preservation performance, fireproof function and construction safety, the heat-insulation fireproof heat-insulation board plays a positive role in adjusting indoor environment.

Detailed Description

the invention is further illustrated by the following examples, which are not intended to limit the scope of the invention.

The materials used in the various embodiments of the present invention are specifically illustrated below:

Active silica fume: 1250 mesh (also known as silica fume) available from Shanghai Weiterrui Utility Co., Ltd

Silicon dioxide: also known as silica, available from Jinbei Fine chemical Co., Ltd, Tianjin

Vitrification of the micro-beads: from Wanjia energy saving materials GmbH of Dongying

quartz powder: 600 mesh (also called silica micropowder) purchased from Huzhou Huatian micropowder factory

Cement: 525# from Shanghai Xiqing industries Ltd

fly ash: class C high calcium ash available from commercial fly ash products of Shanghai City, Ltd

sodium silicate: also known as water glass, available from Yicheng Jingrui New materials Co., Ltd

Sodium fluosilicate: from Yicheng Jingrui New materials Co., Ltd

Water reducing agent: HF retarding superplasticizer purchased from Shanghai Dongdong chemical industry Co Ltd

redispersible latex powder: from Guangdong Longhu science & technology GmbH

Cellulose ether: from the Europe brocade chemical industry

Reinforcing fibers: chopped glass fiber from the Europe chemical industry

graphite: from Liaoyang Xingwang graphite products Co Ltd

calcium oxide: also known as quicklime, from east metallurgy lime product factory of Taicang City

foaming agent: carbonate or calcium carbonate from Guangzhou Jiangjiang salt chemical Co Ltd

water-proofing agent: organosilicon waterproofing agent available from Shanghai Xianbang chemical Co., Ltd

graphite polystyrene particles: the expanded polystyrene particle is prepared by adding 5-50 mass percent of expanded graphite and 2-20 mass percent of phosphate compound as a flame retardant into Expandable Polystyrene (EPS) and preparing the expandable polystyrene particle by a suspension polymerization method or an extrusion method, wherein the expanded polystyrene particle is purchased from Tianjin Stenli novel material Co., Ltd (product model F301 GT).

phase change microcapsule material: purchased from fujian tianli advanced materials ltd (product model TL).

the test standards used in the various embodiments of the present invention are specified below:

The compressive strength is tested according to GB/T5486-2008 test method for inorganic hard heat insulation products, the tensile strength perpendicular to the plate surface is tested according to GB/T29906 plus 2013 material for molded polystyrene plate thin plastered outer wall external thermal insulation system, the thermal conductivity is tested according to GB/T10294 plus 2008 method for determining the steady-state thermal resistance of heat insulation materials and related characteristics, the bending deformation is tested according to GB/T10801.1 molded polystyrene foam plastics for heat insulation, and the combustion performance grade is tested according to GB 8624 plus 2012 grading for combustion performance of building materials and products.