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Colored polyvinyl chloride foamed sheet and preparation method thereof

A technology of polyvinyl chloride and foamed sheet, applied in chemical instruments and methods, lamination, layered products, etc., can solve the problems of fading, rising surface temperature of foamed sheet, deformation of foamed sheet, etc., and achieve cost saving , Reduce product density, easy to achieve effect

Inactive Publication Date: 2015-03-04
SHANDONG BODO PLASTICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The polyvinyl chloride color co-extruded foam board produced by the prior art is often faded and deformed during storage, transportation and use due to poor weather resistance and lead content.
Especially in summer, when the temperature is high, and then exposed to the sun, the surface temperature of the foamed sheet rises sharply. As a result, the foamed sheet becomes soft and deformed due to heat, which seriously affects its popularization and use.

Method used

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  • Colored polyvinyl chloride foamed sheet and preparation method thereof
  • Colored polyvinyl chloride foamed sheet and preparation method thereof
  • Colored polyvinyl chloride foamed sheet and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041] The polyvinyl chloride colored foam board described in this embodiment consists of a core layer, an upper skin layer and a lower skin layer,

[0042] Wherein, the core layer is made of the following raw materials in parts by weight:

[0043]

[0044]

[0045] The upper epidermal layer and the lower epidermal layer have the same raw materials, and are made of the following raw materials in parts by weight:

[0046]

[0047] The mass ratio of the upper skin layer to the lower skin layer ingredients is 1:1;

[0048] The mass ratio of the core layer to the skin layer ingredients is 11.8:0.2.

[0049] The preparation method is:

[0050] (1) Add the core material of the formula into the high-speed mixer, heat it to 105°C, then put it into the cold mixer, put it into the storage bin when it is cooled to 40-50°C, and automatically load it with a vacuum feeder The material is fed to the conical twin-screw extruder for plasticizing processing. Among them, the screw t...

Embodiment 2

[0054] The polyvinyl chloride colored foam board described in this embodiment consists of a core layer, an upper skin layer and a lower skin layer,

[0055] Wherein, the core layer is made of the following raw materials in parts by weight:

[0056]

[0057] The raw materials of the upper epidermis and the lower epidermis are the same, and are made of the following raw materials in parts by weight:

[0058]

[0059] The mass ratio of the upper skin layer to the lower skin layer ingredients is 1.1:1;

[0060] The mass ratio of the core layer to the skin layer ingredients is 19.6:0.4.

[0061] The preparation method is:

[0062] (1) Add the core layer raw materials of the formulated amount into the high-speed mixer, heat to 110°C, then put them into the cold mixer, put them into the storage bin when cooled to 50°C, and use the vacuum feeder to automatically feed the material, Feed to the conical twin-screw extruder for plasticizing. Among them, the screw temperature is 10...

Embodiment 3

[0066] The polyvinyl chloride colored foam board described in this embodiment consists of a core layer, an upper skin layer and a lower skin layer,

[0067] Wherein, the core layer is made of the following raw materials in parts by weight:

[0068]

[0069] The upper epidermal layer and the lower epidermal layer have the same raw materials, and are made of the following raw materials in parts by weight:

[0070]

[0071] The mass ratio of upper skin layer and lower skin layer ingredients is 1:2;

[0072] The mass ratio of the core layer to the skin layer ingredients is 25.4:0.6.

[0073] The preparation method is:

[0074] (1) Add the core layer raw materials of the formulated amount into the high-speed mixer, heat to 110°C, then put them into the cold mixer, put them into the storage bin when cooled to 45°C, and use the vacuum feeder to automatically feed the material, Feed to the conical twin-screw extruder for plasticizing. Among them, the screw temperature is 90°...

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Abstract

The invention belongs to the technical field of polyvinyl chloride sheets, and particularly relates to a colored polyvinyl chloride foamed sheet and a preparation method thereof. The colored polyvinyl chloride foamed sheet consists of a core layer, an upper surface layer and a lower surface layer, wherein the core layer is prepared from polyvinyl chloride resin I, a calcium-zinc stabilizer, an organic tin stabilizer, a cell stabilizer, a vulcanizing agent, an assistant cross-linker, a composite extender, a lubricant and a composite foaming agent; the upper surface layer and the lower surface layer are made of same raw materials, and each of the upper surface layer and the lower surface layer is prepared from polyvinyl chloride resin II, an organic tin stabilizer, a function regulator, a reinforcing agent, a lubricant, an impact modifier and a cool pigment. The colored polyvinyl chloride foamed sheet has the characteristics that the sheet is high in weather resistance, environment-friendly and good in rigidity, does not deform when heated, does not discolor and the like and can be applied to fields of high-grade advertisements, baking varnish or natural color home decoration, ornament, furniture manufacturing and the like. The preparation method is simple and easy to implement.

Description

technical field [0001] The invention belongs to the technical field of polyvinyl chloride boards, and in particular relates to a polyvinyl chloride colored foamed board and a preparation method thereof. Background technique [0002] The production of polyvinyl chloride foamed sheets is divided into three methods according to the extrusion process, which are free foaming method, crust foaming method (also known as plugging method), and co-extrusion method. There is a large difference in performance, and the use and effect are also very different. Compared with the free foaming method and the crust foaming method, the co-extruded foamed sheet has a smoother, flatter, better hardness, and is easier to make a thick board. [0003] The polyvinyl chloride color co-extruded foam board produced by the prior art often fades and deforms during storage, transportation and use due to poor weather resistance and lead content. Especially in summer, when the temperature is high, and then...

Claims

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Application Information

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IPC IPC(8): B32B27/06B32B27/18B32B27/32B32B3/26B32B37/02C08L27/06C08K13/02C08K3/26C08K3/36C08K5/14C08J9/10
CPCB32B27/06B32B3/26B32B27/18B32B27/304B32B37/02C08J9/10C08K2201/014C08L27/06C08L2205/03C08L2205/035C08L23/06C08L25/04C08K13/02C08K5/14C08K2003/265C08K5/34924C08K5/57C08L51/003C08L33/04
Inventor 周学卫苗祥成苗伟孙锋
Owner SHANDONG BODO PLASTICS CO LTD
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