Weather-proof flame-retardant masterbatch for PP plate and preparation method of weather-resistant flame-retardant masterbatch

A color masterbatch and weather-resistant technology, which is applied in the field of polymers, can solve the problems of weakening the flame-retardant effect, single-functional masterbatch, and failure to achieve weather resistance and flame retardancy, and achieve bright colors, good flame-retardant effects, high gloss effect

Inactive Publication Date: 2018-04-06
恒永健(苏州)企业管理有限公司
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Although my country's masterbatch manufacturers have developed color masterbatches of various colors and various single functional masterbatches, for polypropylene sheets with special requirements, for example, sheets with high weather resistance for outdoor use , and boards with flame-retardant grade requirements, there is no masterbatch that integrates multiple functions into one in the market
[0005] At present, the existing flame-retardant masterbatches or flame-retardant color masterbatches on the market are very effective in polyethylene products, but their implementation in high-weather-resistant polypropylene sheets for outdoor use will lose or greatly weaken their flame-retardant properties. Burning effect, not up to the desired weather resistance and flame retardancy

Method used

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  • Weather-proof flame-retardant masterbatch for PP plate and preparation method of weather-resistant flame-retardant masterbatch
  • Weather-proof flame-retardant masterbatch for PP plate and preparation method of weather-resistant flame-retardant masterbatch
  • Weather-proof flame-retardant masterbatch for PP plate and preparation method of weather-resistant flame-retardant masterbatch

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Experimental program
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Effect test

Embodiment

[0026] A batch of weather-resistant and flame-retardant masterbatches for PP boards are composed of the components in Table 1 by weight percentage.

[0027]

[0028] Table 1

[0029] A better preparation method of weather-resistant flame-retardant masterbatch for PP board, including the following steps

[0030] (1) In the high-speed mixer, first add the PP carrier, and then add the remaining ingredients in the above ratio in sequence, and stir for 1-20 minutes at a speed of 1000RPM-4000RPM;

[0031] (2) After standing for 2-5 minutes, pour out all the mixture in the mixer from the outlet, and then add it to the mixer again. Repeat step (1);

[0032] (3) Pour the mixture in the mixer into the feeding barrel of the co-rotating twin-screw extruder (length-to-diameter ratio 38:1-48:1), turn on the extruder, the feed speed is 200-550RPM, the main screw speed is 200 -550RPM, the temperature of each zone is set to 155-210℃, and it can be packaged after water cooling, air cooling, cutting ...

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Abstract

The invention discloses weather-proof flame-retardant masterbatch for a PP plate and a preparation method of the weather-resistant flame-retardant masterbatch. The masterbatch is composed of a PP carrier, toner, a flame-retardant stabilizer, a weather-resistant agent and dispersant. The masterbatch has good compatibility with polypropylene products, and has excellent performance in resisting weather and coloring flame retardant, bright color and high gloss, the outdoor service life of the masterbatch can reach 25 years without discoloration, and the flame retardant level can reach V0-level inthe UL94 standards; meanwhile, the masterbatch has the advantages of excellent UV resistance and oxidation resistance, and the outdoor service life of the masterbatch reach 5 years without pulverization.

Description

Technical field [0001] The invention relates to the field of polymers, in particular to a weather-resistant flame-retardant masterbatch for PP boards and a preparation method. Background technique [0002] As the country's requirements for environmental protection increase, people's desire to pursue blue seas and blue sky is becoming stronger and stronger. Various manufacturing enterprises have to deal with their own waste gas and wastewater according to their own requirements. The demand for polypropylene environmental protection equipment is increasing, and the requirements for polypropylene (PP) sheets are also increasing. [0003] The traditional production of polypropylene sheet is to add commercially-available high-concentration color masterbatch to polypropylene resin in a certain proportion, and then extrude it into sheet. [0004] Although Chinese masterbatch manufacturers have developed masterbatches of various colors and various single functional masterbatches, for polypr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/12C08J3/22
CPCC08J3/226C08J2323/12C08J2323/14C08J2423/12
Inventor 张权
Owner 恒永健(苏州)企业管理有限公司
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