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Hyperbranched ionic liquid/CNFs hybrid particle, microcellular foaming flame-retardant TPV and preparation method thereof

A technology of ionic liquids and hybrid particles, which is applied in the field of microporous flame-retardant TPV and its preparation, can solve the problems of easy damage to the integrity and functionalization of nanoparticles, and complex processes, so as to improve the efficiency of heterogeneous nucleation, Effect of improving cell structure and increasing nucleation efficiency

Active Publication Date: 2022-01-21
ZHEJIANG XINGYU AUTO PARTS CO LTD +1
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

However, the currently used method is mainly chemical grafting, which is complicated and easy to damage the integrity and functionalization of nanoparticles, especially for some nanofibrous materials, this shortcoming is particularly obvious

Method used

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  • Hyperbranched ionic liquid/CNFs hybrid particle, microcellular foaming flame-retardant TPV and preparation method thereof
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  • Hyperbranched ionic liquid/CNFs hybrid particle, microcellular foaming flame-retardant TPV and preparation method thereof

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Embodiment Construction

[0028] The method of the present invention will be further described in detail below in conjunction with the accompanying drawings and specific examples. However, the examples are only used to illustrate and explain the technical solution, and do not constitute a limitation to the solution.

[0029] In this example, the synthesis of POSS-based hyperbranched ionic liquid mainly consists of two steps, as figure 1 Shown:

[0030] The first step is to graft hyperbranched polysilsesquioxane.

[0031] Add 10.0g of OpePOSS to 50ml of methanol and ultrasonically disperse for 0.5h, move it to a three-necked flask, then add 4.0g of zero-generation polyamide-amine and stir to dissolve, heat to 50°C for 8h, and remove the solvent by distillation under reduced pressure to obtain Hyperbranched graft polysilsesquioxane.

[0032] The second step is the preparation of hyperbranched ionic liquids.

[0033] Take 10.0g of hyperbranched grafted polysilsesquioxane and add it into 100mL of deion...

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Abstract

The invention discloses hyperbranched ionic liquid / CNFs hybrid particles, microcellular foaming flame-retardant TPV and a preparation method thereof. The method comprises the steps of firstly, taking POSS as a core, combining with polyamide-amine and phosphate radical or polyphosphate radical to form POSS-based hyperbranched ionic liquid, and then grinding the POSS-based hyperbranched ionic liquid and nanocellulose CNFs to obtain hyperbranched ionic liquid / CNFs hybrid particles; and modifying thermoplastic dynamic vulcanized rubber TPV by using the hyperbranched ionic liquid / CNFs hybrid particles to obtain the hyperbranched ionic liquid / nanocellulose microcellular foaming flame-retardant TPV. The hyperbranched ionic liquid / CNFs hybrid particles can be used as a novel modifier with an intumescent flame retardant function and used for preparing a polymer microcellular foaming flame retardant material, and the microcellular foaming TPV material prepared by the method has excellent flame retardant property and mechanical property.

Description

technical field [0001] The invention belongs to the technical field of preparation of foaming flame retardant materials, and relates to a microporous foaming flame retardant TPV and a preparation method thereof, in particular to a hyperbranched ionic liquid / CNFs hybrid particle, a microporous foaming flame retardant TPV and its preparation method. Preparation. Background technique [0002] Thermoplastic vulcanizate (TPV) is a rubber-plastic blended material developed in recent years. Its structural characteristics are composed of two phases of plastic and rubber, so it has the characteristics of plastic and rubber to a certain extent. In the preparation of sealing Dynamic vulcanization is carried out during the processing of parts, and it is easy to achieve precise cross-section control. At the same time, the material can be reused under certain conditions and has little environmental pollution. Therefore, as a green material, it is widely used in various automotive seals an...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L1/02C08L83/04C08L21/00C08J9/12C08G77/388
CPCC08L1/02C08J9/0061C08J9/122C08G77/045C08L2201/02C08J2203/06C08J2203/08C08J2205/044C08J2321/00C08L83/04
Inventor 黄国波冯新建肖圣威陈文杰
Owner ZHEJIANG XINGYU AUTO PARTS CO LTD
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