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Lubricant and mica-filled polypropylene compound with lubricant

A lubricant, polypropylene technology, applied in the field of polypropylene materials, can solve the problems of warping deformation, whitening, bright spots on the surface, etc., achieve excellent internal lubrication, reduce warping deformation, reduce the degree of orientation and internal stress. Effect

Active Publication Date: 2016-03-30
TIANJIN KINGFA NEW MATERIAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the unique layered structure and appearance of mica, it is easy to cause bright spots and whitening on the surface after being added to polypropylene, and due to the existence of mica orientation, it is easy to cause warping and deformation of mica-modified polypropylene products

Method used

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  • Lubricant and mica-filled polypropylene compound with lubricant
  • Lubricant and mica-filled polypropylene compound with lubricant
  • Lubricant and mica-filled polypropylene compound with lubricant

Examples

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Effect test

Embodiment 1

[0032] A lubricant comprising metal soap, amide, and silicon dioxide, the mass ratio of the metal soap, amide, and silicon dioxide is: 1:3:1; the metal soap is zinc stearate; the The amide is vinyl-bis-stearamide, C 18 Fatty acid amides and C 22 Mixtures of fatty acid amides, wherein vinyl-bis-stearamide, C 18 Fatty acid amides and C 22 The mass ratio of fatty acid amides is 1:1:1.

[0033] The lubricant is prepared by a method comprising the following steps: metal soap, amide, and silicon dioxide are cold-pressed into a granular structure with a particle diameter of 5 mm, the acid value of the lubricant is 4.8 mgKOH / g, and the total amine The value is 2.9 mgKOH / g.

[0034] A mica-filled polypropylene compound using the lubricant, comprising the following components in parts by weight: 75kg of polypropylene, 20kg of mica, 3kg of ethylene-propylene copolymer, 2kg of compatibilizer, 0.2kg of coupling agent, and dispersant 0.4kg, lubricant 1kg, other additives 0.6kg, other a...

Embodiment 2

[0042] A lubricant comprising metal soap, amide, and silicon dioxide, the mass ratio of the metal soap, amide, and silicon dioxide is: 1:5:3; the metal soap is zinc stearate; the The amide is vinyl-bis-stearamide, C 18 Fatty acid amides and C 22 Mixtures of fatty acid amides, wherein vinyl-bis-stearamide, C 18 Fatty acid amides and C 22 The mass ratio of fatty acid amides is 1:3:3.

[0043] The lubricant is prepared by a method comprising the following steps: metal soap, amide, and silicon dioxide are cold-pressed into a granular structure with a particle size of 1 mm, the acid value of the lubricant is 2.2 mgKOH / g, and the total amine The value is 1.1 mgKOH / g.

[0044] A mica-filled polypropylene composite using the lubricant, comprising the following components by weight: 55kg of polypropylene, 30kg of mica, 5kg of ethylene-propylene copolymer, 10kg of compatibilizer, 0.4kg of coupling agent, and dispersant 0.8kg, lubricant 1.5kg, other additives 0.6kg, other additives ...

Embodiment 3

[0052] A lubricant comprising metal soap, amide, and silicon dioxide, the mass ratio of the metal soap, amide, and silicon dioxide is: 1:3:1; the metal soap is zinc stearate; the The amide is vinyl-bis-stearamide, C 18 Fatty acid amides and C 22 Mixtures of fatty acid amides, wherein vinyl-bis-stearamide, C 18 Fatty acid amides and C 22 The mass ratio of fatty acid amides is 1:1:1.

[0053] The lubricant is prepared by a method comprising the following steps: metal soap, amide, and silicon dioxide are cold-pressed into a granular structure with a particle diameter of 4 mm, the acid value of the lubricant is 3.1 mgKOH / g, and the total amine The value is 1.4 mgKOH / g.

[0054] A mica-filled polypropylene composite using the lubricant, comprising the following components by weight: 33kg of polypropylene, 40kg of mica, 7kg of ethylene-propylene copolymer, 20kg of compatibilizer, 0.6kg of coupling agent, and dispersant 1.2kg, lubricant 2kg, other additives 0.6kg, other additive...

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Abstract

The invention provides a lubricant and a mica-filled polypropylene compound with the lubricant. The lubricant comprises metallic soap, amide and silica according to a mass ratio of 1: (2-5): (1-3). The metallic soap comprises zinc stearate. The amide is a mixture of ethylene bis-stearamide, C18 fatty acid amide and C22 fatty acid amide and a mass ratio of ethylene bis-stearamide, C18 fatty acid amide to C22 fatty acid amide is 1: (1-3): (1-3). The mica-filled polypropylene compound with the lubricant comprises, by weight, 10-75 parts of polypropylene, 20-50 parts of mica, 3-10 parts of an ethylene-propylene copolymer, 2-30 parts of a compatilizer, 0.2-0.8 parts of a coupling agent, 0.4-1.6 parts of a dispersant and 1-3 parts of a lubricant. The mica-filled polypropylene compound with the lubricant has excellent compatibility and dispersibility and has no bright spots and whiting parts.

Description

technical field [0001] The invention belongs to the technical field of polypropylene materials, in particular to a lubricant and a mica-filled polypropylene compound using the lubricant. Background technique [0002] Polypropylene has the advantages of low density, low price, and easy processing. It has been widely used in industries such as automobiles and home appliances. However, the disadvantages of poor dimensional stability and low rigidity of polypropylene limit its further application. Therefore, it is necessary to add mineral fillers for improvement. sex. [0003] Commonly used mineral fillers include calcium carbonate, talc, barium sulfate, mica, etc. Compared with calcium carbonate, talcum powder, and barium sulfate, mica has better rigidity and dimensional stability, and has been applied in practice. However, the compatibility between mica and polypropylene is relatively poor, and compatibilizers, coupling agents, etc. are usually added, and these methods can i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08K5/20C08K5/098C08K3/36C08L23/10C08L23/14C08L51/06C08L13/02C08K3/34B29C47/92B29C48/92
CPCB29C48/92B29C2948/92704C08K3/36C08K5/098C08K5/20C08K2201/003C08L23/10C08L2205/035C08L2205/08C08L23/142C08L51/06C08L91/06C08K13/02C08K3/34
Inventor 张春怀李晟陶四平李欣徐昌竹钱文轩
Owner TIANJIN KINGFA NEW MATERIAL