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Composite heat insulation tile

A technology of thermal insulation tiles and galvanized steel sheets, applied in the direction of adhesive types, adhesive additives, grafted polymer adhesives, etc. Defects in environmental protection, poor reflection ability of heat insulation tiles, inability to meet customers and other problems, to achieve the effect of good heat insulation effect, weight reduction, and high light reflectivity

Pending Publication Date: 2021-03-19
HEYUAN PLG MATERIALS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the general insulation tiles are made of cement or asbestos. These insulation tiles have poor reflection ability to light. After the sunlight shines on the insulation tiles, most of the heat is absorbed by the insulation tiles, and the insulation tiles will become the heat source. , the heat insulation effect is poor
In addition, these products have varying degrees of defects in the performance of heat insulation, fire and water resistance, corrosion resistance, strength, wind resistance and environmental protection, which cannot meet the needs of customers.

Method used

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  • Composite heat insulation tile

Examples

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preparation example Construction

[0032] According to the composite heat insulation tile of the specific embodiment of the present invention, the preparation method of the above-mentioned adhesive is provided, comprising the following steps:

[0033] (a) Mix metallocene linear low density polyethylene, polypropylene, styrene isoprene-styrene-block copolymer, initiator, unsaturated carboxylic acid and / or unsaturated anhydride monomer, and extrude Obtain functionalized modified polyethylene masterbatch;

[0034] (b) Mix the functionalized modified polyethylene masterbatch prepared in step (a) with linear low-density polyethylene, ethylene-vinyl acetate copolymer, low-density polyethylene, impact-resistant polystyrene and antioxidant , extruded to obtain the adhesive.

[0035]In step (a), the extruding temperature is 50-230° C., and / or the screw speed is 200-400 rpm, preferably 250-350 rpm. In step (b), the extruding temperature is 50-220° C., and / or the screw speed is 200-400 rpm, preferably 250-320 rpm.

[0...

Embodiment 1-3

[0041] Embodiment 1-3, the preparation of comparative example 1 functionalized modified polyethylene:

[0042] For the functionalized modified polyethylene of Examples 1-3 and Comparative Example 1, after mixing the raw materials uniformly according to the formula ratio (percentage by weight) in Table 1, the plasticized blending process was extruded through a reactive twin-screw extruder. The pellets are prepared, the length-to-diameter ratio of the twin-screw extruder is L:D≥40:1, and the extrusion processing temperature range is 50-230°C.

[0043] Table 1 Example 1-3 and Comparative Example 1 The raw material formula ratio of functionalized modified polyethylene

[0044] Example 1 Example 2 Example 3 Comparative example 1 MLLDPE 95 95 95 95 Homo-PP 3 3 3 3 SIS 2 2 2 POE 2 Bis-2,5-hexane 0.02 0.02 0.02 0.02 Maleic anhydride monomer 1 1 1 1

[0045] Preparation of Adhesive Resin for Thermal Insulat...

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PUM

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Abstract

The invention provides a composite heat insulation tile. The composite heat insulation tile comprises the following structures: an outer layer is an aluminum foil or an aluminized film; an inner layeris a galvanized steel sheet; an adhesive film is arranged between every two galvanized steel sheets; and the aluminum foil or the aluminized film on the outer layer and the galvanized steel sheet onthe inner layer are bonded together by a bonding adhesive film. The composite heat insulation tile is formed by compounding multiple layers of materials, the outer layer is the aluminum foil or the aluminized film, the reflection capacity is good, most of heat is reflected by the aluminum foil or the aluminized film after sunlight irradiates the heat insulation tile, the heat insulation effect isgood, the inner layer is the galvanized steel sheet, and the good anti-corrosion effect is achieved.

Description

technical field [0001] The invention belongs to the technical field of building materials, and in particular relates to a composite heat-insulating tile. Background technique [0002] In recent years, environmental protection building materials and energy-saving building materials are being recognized by the majority of users. As a new type of building material, thermal insulation tiles are widely used in the construction field. At present, the general insulation tiles are made of cement or asbestos. These insulation tiles have poor reflection ability to light. After the sunlight shines on the insulation tiles, most of the heat is absorbed by the insulation tiles, and the insulation tiles will become the heat source. , the heat insulation effect is poor. In addition, these products have varying degrees of defects in the performance of heat insulation, fire and water resistance, corrosion resistance, strength, wind resistance and environmental protection, which cannot meet t...

Claims

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Application Information

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IPC IPC(8): B32B15/01B32B15/18B32B15/20B32B15/04B32B15/09B32B27/36B32B27/06B32B7/12B32B33/00C09J7/10C09J7/30C09J123/08C09J123/06C09J151/04C09J151/06C09J123/12C09J153/02C09J11/06
CPCB32B15/012B32B15/18B32B15/20B32B15/043B32B27/36B32B27/06B32B15/09B32B7/12B32B33/00C09J7/10C09J7/30C09J123/06C09J11/06C08L2205/02C08L2205/035C08L2207/066B32B2419/00B32B2307/304B32B2307/416B32B2307/714B32B2307/718C08L23/0853C08L51/04C08L51/06C08L23/12C08L53/02C08K5/1345
Inventor 范德辉黄昌政
Owner HEYUAN PLG MATERIALS
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