An improved plastic material based on pp plastic

A plastic material and basic technology, applied in the field of improved plastic materials, can solve the problems of easy aging, poor low temperature resistance, PP plastic can not be used, etc., to achieve the effect of improved aging resistance and wide application

Active Publication Date: 2016-05-25
SHANGHAI SHENGGUANG SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Polypropylene, English name: Polypropylene, molecular formula: C3H6nCAS Abbreviation: PP is a kind of thermoplastic resin prepared by propylene polymerization. It is widely used in daily life products. The disadvantages are poor low temperature resistance, poor impact resistance, and easy aging , in some application fields that require relatively high low temperature resistance, impact resistance, and aging performance, PP plastics cannot be used

Method used

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  • An improved plastic material based on pp plastic
  • An improved plastic material based on pp plastic
  • An improved plastic material based on pp plastic

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] Reclaimer:

[0018] PP-M700R (polypropylene) 75 kg,

[0019] EPDM (ethylene propylene diene monomer) 22 kg,

[0020] Anti-impact agent Z-3 (sorbitol) 1 kg,

[0021] Light Stabilizer 791 (Polyimide and Bisebacate) 1 kg,

[0022] UV absorber UV531 (2-hydroxyl-4-n-octyloxybenzophenone) 0.5 kg,

[0023] Antioxidant 1010 (tetraerythritol ester) 0.25 kilograms,

[0024] And antioxidant 168 (phosphite triester) 0.25 kilogram,

[0025] The sum of the above ingredients is 100 kg.

[0026] The above-mentioned materials are weighed according to the formula and pre-mixed into a mixture with a medium-speed mixer. The mixture passes through a shallow groove twin-screw mixing extrusion granulation unit (built-in special screw for PP modification, and the screw is divided into: feeding section, mixing section , Exhaust section, Extrusion section. The difference from ordinary screw is that a left-handed screw block is added before and after the mixing section to increase the mixin...

Embodiment 2

[0036] Reclaimer:

[0037] PP-M700R (polypropylene) 80 kg,

[0038] EPDM (ethylene propylene diene monomer) 18.7 kg,

[0039] Anti-impact agent Z-3 (sorbitol) 0.3 kg,

[0040] Light stabilizer 791 (polyimide and bis-sebacate) 0.3 kg,

[0041] UV absorber UV531 (2-hydroxyl-4-n-octyloxybenzophenone) 0.3 kg,

[0042] Antioxidant 1010 (tetraerythritol ester) 0.2 kilogram,

[0043] And antioxidant 168 (phosphite triester) 0.2 kilogram,

[0044] The sum of the above ingredients is 100%.

[0045] The preparation method is the same, and the parameters are the same during injection molding.

Embodiment 3

[0047] Reclaimer:

[0048] PP-M700R (polypropylene) 83.6 kg,

[0049] EPDM (ethylene propylene diene monomer) 16 kg,

[0050] Anti-impact agent Z-3 (sorbitol) 0.1 kg,

[0051] Light stabilizer 791 (polyimide and bis-sebacate) 0.1 kg,

[0052] Ultraviolet absorber UV531 (2-hydroxyl-4-n-octyloxybenzophenone) 0.1 kilogram,

[0053] Antioxidant 1010 (tetraerythritol ester) 0.05 kilogram,

[0054] And antioxidant 168 (phosphite triester) 0.05 kilogram,

[0055] The sum of the above ingredients is 100%.

[0056] The preparation method is the same, and the parameters are the same during injection molding.

[0057] Performance characteristics:

[0058]

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PUM

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Abstract

The invention relates to a modified plastic material based on PP (polypropylene) plastic and a preparation method thereof. The plastic material is characterized by including the following components by weight: PP-M700R (polypropylene), EPDM (ethylene-propylene-diene monomer), a resistant agent Z-3 (sorbitol), a light stabilizer 791 (polyimino and double sebacate), a UV absorber UV531 (2-hydroxy-4-n-octoxy-benzophenone), an antioxidant 1010 (pentaerythritol), and an antioxidant 168 (triethyl phosphite). The sum of the above components is 100%. Compared with the unmodified PP plastic, the modified plastic material of the invention has the advantages of greatly improved low temperature resistance, impact resistance and aging resistance, and can be applied more widely.

Description

technical field [0001] The invention relates to an improved plastic material based on PP plastic. Background technique [0002] Polypropylene, English name: Polypropylene, molecular formula: C3H6nCAS Abbreviation: PP is a kind of thermoplastic resin prepared by propylene polymerization. It is widely used in daily life products. The disadvantages are poor low temperature resistance, poor impact resistance, and easy aging , in some application fields that require relatively high low temperature resistance, impact resistance, and aging performance, PP plastics cannot be used. Therefore, how to improve the characteristics of polypropylene, enhance its low temperature resistance, impact resistance, and improve aging resistance is the key to improving the application field of PP plastics. Contents of the invention [0003] The purpose of the present invention is to solve the above-mentioned problems existing in PP plastics in the prior art, and provide an improved plastic mater...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L23/12C08L23/16C08K5/00C08K5/053C08K5/132C08K5/524
Inventor 刘国富丁春喜
Owner SHANGHAI SHENGGUANG SCI & TECH
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