Unlock instant, AI-driven research and patent intelligence for your innovation.

High-flame-retardant modified polypropylene and preparation method thereof

A technology of polypropylene and high flame retardancy, which is applied in the field of highly flame-retardant modified polypropylene and its preparation, and can solve the problems of poor flame retardancy and easy aging

Active Publication Date: 2020-03-24
珠海格力绿色再生资源有限公司
View PDF3 Cites 2 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But at the same time, polypropylene also has its own shortcomings, such as poor flame retardancy and easy aging, so it is necessary to modify polypropylene to improve its flame retardancy and weather resistance

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • High-flame-retardant modified polypropylene and preparation method thereof
  • High-flame-retardant modified polypropylene and preparation method thereof
  • High-flame-retardant modified polypropylene and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0053] The present invention also relates to a preparation method of highly flame-retardant modified polypropylene, comprising the above-mentioned components, namely polypropylene resin, inorganic filler loaded with zinc-containing compound, flame retardant, antioxidant, light stabilizer and ultraviolet absorber , according to the situation, add other additives, mix uniformly, granulate, and dry to obtain the high flame-retardant modified polypropylene of the present invention.

[0054] In one embodiment of the present invention, the mixing is carried out by a high-speed mixer, and the mixing time is 8-10 minutes. High-speed mixers generally refer to high-speed mixers in the plastics industry, which are suitable for mixing powders, granules, additives, toners, masterbatches, plastics and other materials. The barrel adopts an arc-shaped structure, and the special blade structure is mainly used to make the material form a vortex-like high-speed stirring, and can be modified by h...

experiment example

[0057] Pour the resin and other auxiliary materials into a high-speed mixer and mix for 8-10 minutes, then granulate through a twin-screw extruder, and the extrusion processing temperature is 170-215°C. See Table 1 and Table 2 for the distribution ratios of each group of Examples and Comparative Examples. The manufacturer of polypropylene is Guangzhou Petrochemical, and the grade is 9026H.

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

PropertyMeasurementUnit
melt flow indexaaaaaaaaaa
impact strengthaaaaaaaaaa
lengthaaaaaaaaaa
Login to View More

Abstract

The invention provides high-flame-retardant modified polypropylene. The high-flame-retardant modified polypropylene comprises the following components in parts by weight: 45-60 parts of polypropyleneresin; 15-25 parts of an inorganic filler; 20-30 parts of a flame retardant; 0.1 to 0.4 part of an antioxidant; 0.1 to 0.4 part of a light stabilizer and 0.1-0.2 part of an ultraviolet light absorber;wherein the high-flame-retardant modified polypropylene further contains a zinc element. The invention further discloses a preparation method of the high-flame-retardant modified polypropylene. The invention also provides a preparation method of the modified polypropylene, the content of the zinc element in the modified polypropylene is controlled to be 100-210 ppm, a PP composite material with the 5VA flame retardant grade can be obtained, and the use amount of the corresponding flame retardant is reduced.

Description

technical field [0001] The invention relates to the technical field of polymer materials, in particular to a highly flame-retardant modified polypropylene and a preparation method thereof. Background technique [0002] Polypropylene has a series of advantages such as low density, heat resistance and corrosion resistance, and has been widely used in energy, chemical industry, automobile, home appliances and other fields. But at the same time, polypropylene also has its own shortcomings, such as poor flame retardancy and easy aging, so it is necessary to modify polypropylene to improve its flame retardancy and weather resistance. [0003] In view of this, the present invention is proposed. Contents of the invention [0004] The first object of the present invention is to provide a highly flame-retardant modified polypropylene. [0005] The second object of the present invention is to provide a method for preparing the highly flame-retardant modified polypropylene. [0006...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/14C08K3/34C08K5/03C08K3/22C08K3/30C08K5/134C08K5/098C08K13/02
CPCC08K3/346C08K5/03C08K3/2279C08K3/30C08K5/1345C08K5/098C08K13/02C08K2003/3045C08L2201/02C08L23/14
Inventor 张志平刘冬丽王琳丁龙龙唐梓健冯飞翟蕴龙陈龙
Owner 珠海格力绿色再生资源有限公司