Ethylene → Ethylene/methyl acrylate monoethyl maleate

HRID 28069

反応式

HRID 28069 の反応式
[C:1](OC)(=O)[CH:2]=C.[C:7]([O:14][CH2:15][CH3:16])(=[O:13])/[CH:8]=[CH:9]\[C:10]([O-:12])=[O:11].C=C.C(OOC(C)(C)C)(=O)C(C)(C)C>C1C=CC=CC=1>[CH2:1]=[CH2:2].[C:7]([O:14][CH3:15])(=[O:13])[CH:8]=[CH2:9].[C:7]([O:14][CH2:15][CH3:16])(=[O:13])/[CH:8]=[CH:9]\[C:10]([O-:12])=[O:11]

参加物

6

反応物 4

HCID 6325Ethylene2 回HCID 7294Methyl AcrylateHCID 61238tert-BUTYL PEROXYPIVALATEHCID 86733784(Z)-4-ethoxy-4-oxobut-2-enoate

生成物 1

HCID 86733783Ethylene/methyl acrylate monoethyl maleate

試薬・触媒・溶媒 1

HCID 241Benzene溶媒2 回

実験手順

A mixture of methyl acrylate, monoethyl maleate, and benzene (weight ratio: 68.28/2.46/29.26) was pressured to about 422 kg./sq. cm.; ethylene was separately pressured to about 422 kg./sq. cm. Separate streams of this mixture (0.91 kg./hr.) and ethylene (6.35 kg./hr.) were joined and pressured to 1900 kg./sq. cm. The resulting feed stream then entered the autoclave. Simultaneously, a catalyst solution, made by adding 50 ml. of tert-butyl peroxypivalate to 4.5 kg. of benzene was introduced at the rate of 0.00204 kg./hr. to keep the temperature at 170° C. The effluent from the autoclave passed through a let-down valve to a chamber at atmospheric pressure where most of the residual monomers and solvent flashed off. The ethylene/methyl acrylate/monoethyl maleate terpolymer thus isolated was freed from the small amount of residual volatiles by heating for 16 hours at 80° C. in a nitrogen stream. Acid-base titration indicated that 0.25 meq. of acid groups was present per gram of terpolymer. This corresponds to 3.6 weight percent of monoethyl ester of maleic acid.

後処理

  1. additionby adding 50 ml
  2. customat 170° C
  3. customThe effluent from the autoclave passed through a let-down valve to a chamber at atmospheric pressure where most of the residual monomers and solvent

出典と根拠

ORDレコード
ord-3c30bea125f6436ead167a3c70ae52bc
出典データセット
uspto-grants-1980_09
特許番号
US04225476

関連ノート

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