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Nano-zinc oxide modified composite plate and preparation process thereof

A technology of nano-zinc oxide and nano-zinc oxide powder, which is applied in the field of materials, can solve problems such as poor surface finish, poor thermal stability, and poor tensile strength, and achieve the effects of good thermal stability, improved smoothness, and improved performance

Inactive Publication Date: 2015-05-20
广州市威士丹利智能科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] However, in the processing and application of polyvinyl chloride, many shortcomings are exposed: poor tensile strength, low impact strength, poor surface finish, poor thermal stability, and aging resistance.

Method used

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  • Nano-zinc oxide modified composite plate and preparation process thereof

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Embodiment Construction

[0023] Such as figure 1 As shown, the nano-zinc oxide modified composite board of the present invention is composed of three layers, which are respectively PMMA layer 1, nano-zinc oxide modified layer 2 and PMMA layer 3 from top to bottom, wherein the nano-zinc oxide modified layer 2 Contains nano-zinc oxide and polyvinyl chloride, the mass ratio of nano-zinc oxide in polyvinyl chloride is 0.6% to 1%, nano-zinc oxide is uniformly dispersed in polyvinyl chloride, and the thickness of PMMA layer 1 and PMMA layer 3 is 0.45 ~0.55mm. Before modification, the tensile strength of the PVC sheet is 15Mpa, and the impact strength is 6kJ / m 2 , while the tensile strength of the nano-zinc oxide modified composite plate reaches 78MPa, and the impact strength is doubled to 13.6kJ / m 2 .

[0024] The nano-zinc oxide modified composite board of the present invention has the advantages of high smoothness, high thermal stability, aging resistance, good tensile performance and high impact stren...

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Abstract

The embodiment of the invention discloses a nano-zinc oxide modified composite plate and a preparation process of the nano-zinc oxide modified composite plate. The tensile strength and the impact strength of polyvinyl chloride sheets in practical application can be effectively improved, the surface smoothness of the sheets is improved, and the heat stability and anti-aging performance of the sheets can be increased. In the embodiment of the invention, the nano-zinc oxide modified composite plate is formed by compounding three layers including a PMMA layer, a nano-zinc oxide modified layer and a PMMA layer from top to bottom respectively, wherein a nano-zinc oxide modified layer contains nano-zinc oxide and polyvinyl chloride. The nano-zinc oxide modified composite plate is high in tensile strength, high in impact strength, high in smooth finish, high in heat stability and high in aging resistance.

Description

technical field [0001] The invention relates to the field of materials, in particular to a nano zinc oxide modified composite board and a preparation process thereof. Background technique [0002] Polyvinyl chloride is one of the general-purpose plastics with excellent comprehensive properties. Its output and consumption are second only to polyethylene, ranking second in the world's resin output. Profiles and profiles are the areas with the largest consumption of PVC, which are mainly used to make doors and windows and energy-saving materials. [0003] Polyvinyl chloride has excellent comprehensive properties such as flame retardancy, corrosion resistance, insulation, and wear resistance, as well as low price and wide range of raw materials. It has been widely used in construction, agriculture, chemical industry, packaging, and automobile industries. [0004] However, in the processing and application of polyvinyl chloride, many disadvantages are exposed: poor tensile stren...

Claims

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Application Information

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IPC IPC(8): B32B27/06B32B27/20B32B27/30C08L27/06C08K3/22
CPCB32B27/06B32B27/20B32B27/308C08K3/22C08L27/06
Inventor 陈志雄
Owner 广州市威士丹利智能科技有限公司
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