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Composition for lining

A composition and lining technology, applied in household appliances, other household appliances, applications, etc., can solve problems such as marine pollution, and achieve the effects of low viscosity, good curing speed, and excellent operation

Inactive Publication Date: 2018-03-23
OSAKA SODA CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0012] The object of the present invention is to provide a resin composition for lining that can solve environmental problems such as marine pollution and VOC and has a good curing speed

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Synthetic example 3

[0120] Diallyl itaconate: Synthesis Example 4

[0121] Diallyl 1,2-cyclohexanedicarboxylate: Synthesis Example 5

[0122] Diallyl 1,4-cyclohexanedicarboxylate: Synthesis Example 6

[0123] 1,6-hexanediol dimethacrylate: Kyoeisha Co., Ltd.

Synthetic example 1

[0124] Synthesis example 1: Synthesis of diallyl fumarate

[0125]145.2 g (2.50 mol) of allyl alcohol, 137.5 g (1.49 mol) of toluene, 116.1 g (1.00 mol) of fumaric acid, and 6.53 g (0.02 mol) of dodecylbenzenesulfonic acid were put into a 500 mL flask. Stir with a stir bar and reflux in an oil bath. After 24 hours the heating was turned off and the flask was cooled. The obtained reaction solution was neutralized and washed with water, the low boiling components were distilled off with a rotary evaporator, and the obtained concentrated solution was distilled under reduced pressure to obtain 74.0 g of target diallyl fumarate. The obtained compound was used in Example 2.

[0126] Synthesis example 2: Synthesis of diallyl succinate

[0127] 159.7g (2.75mol) of allyl alcohol, 151.3g (1.64mol) of toluene, 110.1g (1.10mol) of succinic anhydride, and 7.18g (0.022mol) of dodecylbenzenesulfonic acid were put into a 500mL flask, and stirred with a magnetic Stir and reflux in an o...

Synthetic example 4

[0130] Synthesis example 4: Synthesis of diallyl itaconate

[0131] 275.9 g (4.75 mol) of allyl alcohol, 261.3 g (2.83 mol) of toluene, 248.9 g (1.90 mol) of itaconic acid, and 12.41 g (0.038 mol) of dodecylbenzenesulfonic acid were put into a 500 mL flask. Stir with a stir bar and reflux in an oil bath. After 30 hours the heating was turned off and the flask was cooled. The obtained reaction solution was neutralized and washed with water, the low boiling components were distilled off with a rotary evaporator, and the obtained concentrated solution was distilled under reduced pressure to obtain 145 g of target diallyl itaconate. The obtained compound was used in Example 5.

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Abstract

The present invention addresses the problem of providing a composition for lining, which is capable of solving problems such as an environmental problem of marine pollution and a problem of VOC, whilehaving a good curing speed. It is found that the above-described problem is able to be solved by a composition which contains a vinyl ester resin as a prepolymer, while containing an aliphatic or alicyclic polyfunctional allyl ester compound as a crosslinking agent.

Description

technical field [0001] The present invention relates to compositions for linings. The liner is used, for example, for restoration of the inner surface of a tubular molded body of a sewer treatment facility, the inner surface of a square pipe, and the like. Background technique [0002] The recent building structures basically use concrete and steel as structural materials. However, these concrete and steel materials have a problem of deterioration over time. In recent years, linings have been implemented to prevent the deterioration of structures using concrete and steel such as buildings, tunnels, bridge piers, drainage ditches, sewage pipes, and gas pipes, and to correct the deterioration of structures. [0003] If the lining method is described in detail, when lining gas pipes, water pipes, sewer pipes, etc., it can be achieved by inserting a lining material containing a thermosetting resin into the pipe and curing the lining material with hot water. The inside of a pr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C63/26C08F263/08C08F290/06
CPCB29K2031/00B29C63/341C09D4/06C08F267/06C08L2203/18B32B2260/046B32B2262/103B32B2262/101B32B5/26B32B2262/0261B32B2262/0223B32B2262/0253B32B5/022B32B2307/54B32B2262/106B32B27/12B32B2597/00B32B2262/0276B32B2260/023B32B2262/0269B32B27/40C08F265/06C08F218/24C08F222/102C08F218/18C08F222/28C08F218/16B29C63/34B32B1/08B32B27/308C08F2800/20C08L31/02C08L31/06C08L33/06
Inventor 桥立优岩佐成人马越英明
Owner OSAKA SODA CO LTD
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