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Strong basic composite resin material and preparation method thereof

A composite resin and strong alkaline technology, which is applied in the field of strong alkaline composite resin materials and their preparation, can solve the problems of uneven dispersion of nanomaterials, poor heat resistance of resins, poor swelling resistance, etc., and achieve simple preparation process, Effect of smooth surface topography, good thermal stability and swelling resistance

Active Publication Date: 2018-07-17
CHINA PETROLEUM & CHEM CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] One of the problems to be solved by the present invention is that there are problems such as uneven dispersion of nanomaterials in the strong basic composite resin in the prior art, poor heat resistance of the resin, and poor swelling resistance. A new strong basic composite resin material is provided, The resin has the characteristics of good dispersion, uniform ball formation, good heat resistance and excellent swelling resistance.

Method used

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  • Strong basic composite resin material and preparation method thereof
  • Strong basic composite resin material and preparation method thereof
  • Strong basic composite resin material and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0045] Get 53.5 grams of p-chloromethylstyrene, 6.6 grams of divinylbenzene, 0.3 grams of benzoyl peroxide initiator and 2.2 grams of carboxylated graphene, and after uniform mixing, use 40 kHz ultrasonic vibration for 20 minutes to obtain a black uniform dispersion (The suspension is still uniformly dispersed without sediment after standing for 10 minutes, which proves that the functionalized graphene can maintain a high degree of dispersion in the polymerized monomer). The above-mentioned dispersion liquid was poured into a 250 ml three-necked flask, and stirred at 60° C. for 2 hours to carry out prepolymerization. 130 mL of deionized water in which 1.3 g of polyvinyl alcohol had been dissolved was added. Gradually raise the temperature to 80°C and react for 5 hours; then raise the temperature to 90°C and react for 5 hours; finally raise the temperature to 98°C and react for 6 hours. After the reaction, pour out the upper liquid, wash it with hot water, then filter it, put ...

Embodiment 2

[0049] Take 135.5 grams of 4-(4-chlorobutyl) styrene, 8.0 grams of divinylbenzene, 1.0 grams of benzoyl peroxide initiator and 3.2 grams of hydroxylated graphene, and use 60 kHz ultrasonic vibration for 15 minutes after uniform mixing to obtain Black homogeneous dispersion (the suspension is still uniformly dispersed without sediment after standing for 10 minutes, which proves that the functionalized graphene can maintain a high degree of dispersion in the polymerized monomer). Pour the dispersion into a 500 ml three-neck flask, add 3.0 g of gelatin and 250 ml of deionized water, stir to dissolve all the gelatin, then gradually raise the temperature, react at 75°C for 5 hours, heat up to 85°C for 5 hours, and then heat up React at 92°C for 4 hours, and finally raise the temperature to 100°C for 6 hours. After the reaction, pour out the upper liquid, wash with hot water, filter, put in an oven to dry at 80°C, and sieve to collect composite microspheres B with a particle size in...

Embodiment 3

[0053] Get 237 grams of p-chloromethyl styrene, 13.9 grams of dipenylbenzene, 3.0 grams of azobisisobutyronitrile initiator and 4.2 grams of primary aminated graphene, and after uniform mixing, use 75 kHz ultrasonic vibration for 10 minutes to obtain a uniform black Dispersion liquid (the suspension is still uniformly dispersed without sediment after standing for 10 minutes, which proves that the functionalized graphene can maintain a high degree of dispersion in the polymerized monomer). The above-mentioned dispersion liquid was added into a 1000 ml three-necked flask, and stirred at 65° C. for 1.5 hours to carry out prepolymerization. Then 500 ml of deionized water in which 5.0 g of gelatin had been dissolved was added. The temperature was raised to 80°C within 1 hour, and the reaction was continued for 5 hours; the temperature was then raised to 90°C, and the reaction was continued for 6 hours, and finally the temperature was raised to 98°C, and the reaction was continued f...

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Abstract

The invention relates to a strong alkaline composite resin material and a preparation method thereof, and is used for mainly solving the problems in the prior art that in a strong alkaline composite resin, a nanomaterial is dispersed unevenly, the heat resistance of resin is poor and the anti-swelling performance is poor. The problems are better solved by adopting the technical scheme that the strong alkaline composite resin material comprises the following components by the weight percentage: a) 75-90% of a polymerization monomer; b) 5-15% of a comonomer; c) 0.1-5% of functionalized graphene; and d) 0.1-10% of an initiator. The method can be used in industrial production of the strong alkaline composite ion exchange resin material.

Description

technical field [0001] The invention relates to a strongly basic composite resin material and a preparation method thereof. Background technique [0002] Strongly basic anion exchange resins can be used in water treatment, substance purification, concentration, separation, transformation of ionic composition of substances, decolorization of substances, and catalysts. There has been some progress in the development of strong basic anion exchange resin technology at home and abroad. Document SU675056 discloses introducing 2% 2-mercaptobenzimidazole in chloromethyl polystyrene resin, and then reacting with trimethylamine to prepare strong base anion exchange resin. Document JP01-75041 discloses a triethyldiamine type strong base anion exchanger having a tricyclic structure. Document JP07-24334 discloses a high-temperature-resistant anion exchanger used as a gas adsorbent, which is characterized in that there is no hydrogen on the methylene α-C between the benzene ring of poly...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08F212/14C08F212/36C08F212/34C08F8/32C08K9/04C08K3/04
Inventor 李亚男杨为民俞峰萍何文军
Owner CHINA PETROLEUM & CHEM CORP
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