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Modified PVC wallboard and preparation method thereof

A PVC resin and modification technology, applied in the field of building materials, can solve problems such as fracture, insufficient strength, limited use range, etc., and achieve the effects of excellent tensile properties, increased thickness, and improved mechanical properties

Active Publication Date: 2019-05-10
GUANGZHOU HENGDE ENVIRONMENTAL PROTECTION MATERIAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, the strength of the existing PVC-skinned foam wallboard is still not enough, and it is prone to deformation, bending, fracture, etc., which limits its scope of use.

Method used

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  • Modified PVC wallboard and preparation method thereof
  • Modified PVC wallboard and preparation method thereof
  • Modified PVC wallboard and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1-9

[0034] The raw material ratio is as follows:

[0035]

[0036]

[0037] Wherein the second auxiliary agent is mixed with a modified AC foaming agent and sodium bicarbonate with a mass ratio of 2:1, and the raw material mass ratio of the modified AC foaming agent is as follows:

[0038]

[0039] Wherein the raw material mass ratio of the first auxiliary agent is as follows:

[0040] Example

Foaming aid

Calcium zinc stabilizer

barium stearate

1

10

15

2

2

9

17

2

3

9

18

1

4

10

16

2

5

10

17

2

6

9

15

2

7

9

16

1

8

10

18

2

9

10

19

1

[0041] The preparation method of above-mentioned AC modified wallboard, comprises the steps:

[0042] Mixing and granulation: pre-treat the wood powder and the calcium powder, then mix with the PVC resin and the first auxiliary agent in a mixer for 2-3 hours, cool to 35-45°C, add The s...

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Abstract

The invention relates to a modified PVC wallboard and a production method thereof. The modified PVC wallboard is produced from, by weight, 45-55 parts of PVC resin, 8-20 parts of wood powder, 5-15 parts of calcium carbonate powder, 4.5-11 parts of a first assistant and 2.5-6.5 parts of a second assistant, wherein the second assistant comprises a modified AC foaming agent and sodium bicarbonate according to a mass ratio of (1.8-2.2):1, and the modified AC foaming agent comprises a calcium and zinc stabilizer, a rare earth composite salt stabilizer, barium stearate and an AC foaming agent according to a mass ratio of (1-2):(1-2):(1-2):(1-2). The modified PVC wallboard has excellent performances, and has better tensile property, impact property, bending strength and bearing capacity than present commercial products.

Description

technical field [0001] The invention relates to the technical field of building materials, in particular to a modified PVC wallboard and a preparation method thereof. Background technique [0002] When conventional PVC pipes and profiles are used in conjunction with other metal fittings, due to insufficient load-bearing, it is easy to cause product damage and even personal injury. [0003] Wood-plastic PVC crust wallboard is made of polyvinyl chloride (PVC) as the main raw material through a special foaming process. Its core is foamed and both sides are crusted. It can be prepared in various colors or through The film coating and transfer printing process can print various patterns on the surface of the product to enhance the decorative effect, and has good flame retardancy, water resistance, corrosion resistance, and the secondary processing is also very convenient. It is a very ideal green and environmentally friendly building. Decorative materials, but there are few stud...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L27/06C08L97/02C08K13/02C08K3/26C08K5/098C08J9/10C08J9/08B29C48/92
CPCB29C48/92B29C2948/92704C08J9/08C08J9/101C08J9/103C08J2203/02C08J2203/04C08J2203/18C08J2327/06C08J2497/02C08K2201/014C08L27/06C08L2205/16C08L97/02C08K13/02C08K2003/265C08K5/098
Inventor 不公告发明人
Owner GUANGZHOU HENGDE ENVIRONMENTAL PROTECTION MATERIAL
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