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Environment-friendly flame-retardant transparent polyester material and preparation method thereof

A polyester material and transparent technology, applied in the field of environmentally friendly flame-retardant transparent polyester materials and its preparation, can solve problems such as gas pollution, heavy metal pollution, and impact on the fire-fighting process, and achieve easy wetting, good flame-retardant performance, and improved The effect of flame retardancy

Active Publication Date: 2022-07-08
河南源宏高分子新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The current polyester flame retardant can usually be divided into additive type and reactive type. The additive type is mainly to directly mix polyester materials and flame retardants to improve the flame retardant properties of polyester materials. Common additive type flame retardants mainly include Phosphorus-containing inorganic flame retardants, halogen-containing organic flame retardants, etc. However, most of the phosphorus-containing inorganic flame retardants such as red phosphorus flame retardants and ammonium dihydrogen phosphate are bright in color, which greatly limits their application range. Halogen-containing organic flame retardants such as: tetrabromophthalic anhydride, pentabromotoluene, etc. have a great influence on the mechanical properties of polymers, thus limiting the amount of halogen flame retardants in polymers, and at the same time forming halogen-containing flame retardants when they decompose The gas phase of the gas is a difficult-to-flammable gas, which covers the surface of the object to isolate oxygen and play a flame-retardant effect. However, these gases are likely to cause pollution and even affect the fire-fighting process; moreover, halogen flame retardants are usually oxidized with antimony The synergistic application of materials can easily cause heavy metal pollution, and the overall treatment is difficult

Method used

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  • Environment-friendly flame-retardant transparent polyester material and preparation method thereof
  • Environment-friendly flame-retardant transparent polyester material and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] This embodiment provides an environmentally friendly flame retardant transparent polyester material, which in parts by mass includes thermoplastic polyester resin (PET) and a flame retardant, and every 100 parts of thermoplastic polyester resin corresponds to 1 part of flame retardant; The flame retardant is a core-shell structure montmorillonite-silicon-fluorine modified polypropylene material, and both montmorillonite and fluorine and silicon elements are located in the core.

[0029] In parts by mass, the flame retardant includes the following raw materials: 50 parts of deionized water, 1 part of initiator, 0.5 part of buffer, 3.5 parts of emulsifier, 2 parts of silane coupling agent, 4 parts of nano-montmorillonite, 2 parts of fluoroolefins; 40 parts of hard monomers, 10 parts of soft monomers; the particle size range of the nano-montmorillonite is 10-30 nm; the emulsifier includes cetyltrimethylammonium bromide and allyloxynonylphenol polyoxyethylene ether sulfate ...

Embodiment 2

[0061] This example is basically the same as Example 1, except that: in parts by mass, the flame retardant includes the following raw materials: 60 parts of deionized water, 2 parts of initiator, 1.0 part of buffer, 4.5 parts of emulsifier, 3 parts of Parts of silane coupling agent, 5 parts of nano-montmorillonite, 3 parts of fluoroolefin; 30 parts of hard monomers, 20 parts of soft monomers; the emulsifier includes sodium dodecylbenzenesulfonate and allyloxynonane ammonium phenol polyoxyethylene ether sulfate, and the ratio is 3:1.5; the fluorinated olefin is fluorinated ethylene; the silane coupling agent is vinyltrimethoxysilane; the soft monomer includes 6 parts of methyl Hexyl acrylate, 9 parts ethyl acrylate; 5 parts butyl acrylate; hard monomers include 10 parts t-butyl methacrylate, 10 parts styrene, 10 parts acrylamide; each 100 parts thermoplastic polyester resin corresponds to 0.8 parts of flame retardant.

[0062] The test method of flame retardant performance is ...

Embodiment 3

[0064] This example is basically the same as Example 1, except that: in parts by mass, the flame retardant includes the following raw materials: 60 parts of deionized water, 1 part of initiator, 0.7 part of buffer, 4.5 parts of emulsifier, 3 parts of Parts of silane coupling agent, 5 parts of nano-montmorillonite, 3 parts of fluoroolefin; 40 parts of hard monomer, 10 parts of soft monomer; the fluoroolefin is tetrafluoroethylene; the silane coupling agent is vinyl triethoxysilane; the soft monomers include 3 parts of hexyl methacrylate and 7 parts of butyl acrylate; the hard monomers include 11 parts of vinyl acetate, 16 parts of methyl methacrylate and 13 parts of styrene; each The 100 parts of thermoplastic polyester resin corresponds to 0.8 part of flame retardant.

[0065] The test method of flame retardant performance is the same as that of Example 1, and the flame retardant performance test of each test in this implementation has reached the V-0 level.

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Abstract

The invention provides an environment-friendly flame-retardant transparent polyester material, which is prepared from the following components in parts by mass: 100 parts of thermoplastic polyester resin and 0.5 to 2 parts of flame retardant; the flame retardant is a montmorillonite-silicon-fluorine modified polypropylene ester material with a core-shell structure, montmorillonite and fluorine-silicon elements are located in an inner core, and the proportion of hard monomers in a shell layer is larger than that of the hard monomers in the inner core. The transparent polyester material has excellent flame retardant property. Meanwhile, the invention also provides a preparation method of the material.

Description

technical field [0001] The invention relates to the field of polymer materials, in particular to an environment-friendly flame-retardant transparent polyester material and a preparation method thereof. Background technique [0002] Polyester materials are widely used in packaging, electronic appliances, medical and health, construction, automobiles and other fields. With the increasing safety awareness of people, the flame retardant and fire resistance of polyester materials has also attracted more and more attention. The current polyester flame retardant can usually be divided into additive type and reactive type. The additive type is mainly to directly mix polyester materials and flame retardants to improve the flame retardant properties of polyester materials. Common additive flame retardants mainly include Phosphorus-containing inorganic flame retardants, halogen-containing organic flame retardants, etc. However, phosphorus-containing inorganic flame retardants such as ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L67/02C08L51/10C08F292/00C08F214/22C08F230/08C08F220/18C08F212/08C08F220/56C08F214/20C08F220/14C08F218/08C08F214/26
CPCC08L67/02C08F292/00C08L2201/02C08L2201/10C08L51/10C08F214/225C08F230/085C08F220/1808C08F220/1804C08F220/14C08F212/08C08F220/56C08F214/205C08F220/1806C08F220/1802C08F214/265C08F218/08
Inventor 王果连董冲贾彦杰曲文举
Owner 河南源宏高分子新材料有限公司
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