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Short branched chain oil absorbent resin and preparation method thereof

A technology of oil-absorbing resin and short branched chain, which is applied in the field of short-chain branched oil-absorbing resin and its preparation, which can solve the problems of difficult stretching of molecular chain segments, lower oil absorption rate of resin, and damage to material flexibility, etc., to achieve high oil retention rate, Improved thermal stability and good oil absorption

Inactive Publication Date: 2017-08-01
GUIZHOU INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the introduction of rigid groups destroys the flexibility of the material. Under the same temperature conditions, when the resin absorbs oil, it is difficult to stretch the molecular segments, and the elastic retraction force of the molecular segments and the force generated by solvation quickly reach balance, the oil absorption rate of the resin is reduced

Method used

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  • Short branched chain oil absorbent resin and preparation method thereof
  • Short branched chain oil absorbent resin and preparation method thereof
  • Short branched chain oil absorbent resin and preparation method thereof

Examples

Experimental program
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Embodiment 1）

[0019] Example 1), calculated in parts by weight, the resin consists of 5-10 parts of methyl methacrylate, 15-20 parts of butyl acrylate, 2-5 parts of styrene, 0.1-0.3 parts of benzoyl peroxide, poly It is prepared by suspension polymerization of 0.1-0.5 parts of vinyl alcohol and 0.1-0.5 parts of divinylbenzene. The resin has not been polymerized by continuous dropwise addition of KH570, and its decomposition rate is relatively fast and its decomposition temperature is low, such as figure 2 shown.

Embodiment 2）

[0020] Example 2), calculated in parts by weight, the resin consists of 5-10 parts of methyl methacrylate, 15-20 parts of butyl acrylate, 2-5 parts of styrene, 0.1-0.3 parts of benzoyl peroxide, poly It is made by suspension polymerization of 0.1~0.5 parts of vinyl alcohol, 0.1~0.5 parts of divinylbenzene, and 1~5 parts of coupling agent KH570, and the coupling agent KH570 is added during the reaction process by continuous dropwise addition. Its decomposition rate is low and its decomposition temperature is high, such as image 3 As shown, the oil absorption rate of the resin does not change much, and the oil retention rate of the oil product is enhanced.

[0021] The oil absorption rate of the resin polymerized by the temperature-programmed process and the continuous dripping process described in the present invention has little change, the smaller the k value of the slow-release equation, the higher the oil retention rate, the higher the thermal decomposition temperature, an...

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Abstract

The invention discloses short branched chain oil absorbent resin and a preparation method thereof. The short branched chain oil absorbent resin is prepared by carrying out copolymerization on the following raw materials: 5-10 parts of methyl methacrylate, 15-20 parts of butyl acrylate, 2-5 parts of styrene, 0.1-0.3 part of benzoyl peroxide, 0.1-0.5 part of polyvinyl alcohol, 0.1-0.5 part of divinylbenzene and 1-5 parts of a coupling agent KH570. The resin synthesized by using the technology has good oil absorption rate, very high oil retention rate and improved thermal stability.

Description

technical field [0001] The invention relates to a short-chain branched oil-absorbing resin and a preparation method thereof, belonging to the technical field of polymer synthesis. Background technique [0002] Short-chain branched oil-absorbing resin belongs to synthetic resin, which has the advantages of fast oil absorption rate, strong oil retention capacity, good cold resistance and not easy to aging, etc. It can be used as fragrance agent, rubber oil modifier, and water treatment. When used under high temperature conditions, the molecular chain segments in the resin are easily stretched due to solvation, showing a large oil absorption rate until the resin infinitely swells and the molecular structure is destroyed. In order to improve the thermal stability of this series of resins, it is usually necessary to graft and modify the resin to introduce rigid groups such as benzene rings, phenols, biphenyls, naphthalene, etc. However, the introduction of rigid groups destroys ...

Claims

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Application Information

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IPC IPC(8): C08F220/18C08F220/14C08F212/08C08F212/36C08F2/20
CPCC08F2/20C08F220/18C08F220/1804C08F220/14C08F212/08C08F212/36
Inventor 伍玉娇白琪俊李杨周琴龙琼
Owner GUIZHOU INST OF TECH
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