GB812255A - Derivatives of 2,2 [isopropylidenebis(p-phenyleneoxy)]-dialkanols - Google Patents

Derivatives of 2,2 [isopropylidenebis(p-phenyleneoxy)]-dialkanols

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Publication number
GB812255A
GB812255A GB30350/57A GB3035057A GB812255A GB 812255 A GB812255 A GB 812255A GB 30350/57 A GB30350/57 A GB 30350/57A GB 3035057 A GB3035057 A GB 3035057A GB 812255 A GB812255 A GB 812255A
Authority
GB
United Kingdom
Prior art keywords
styrene
given
compounds
isopropylidene bis
group
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB30350/57A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Uniroyal Inc
Original Assignee
United States Rubber Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by United States Rubber Co filed Critical United States Rubber Co
Publication of GB812255A publication Critical patent/GB812255A/en
Expired legal-status Critical Current

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  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)

Abstract

Copolymers of a monomer of general formula <FORM:0812255/IV (a)/1> where R is hydrogen or an alkyl group of 1-4 carbon atoms, with e.g. vinyltoluene, vinyl acetate, 2 - methyl - 5 - vinyl - pyridine, methyl methacrylate, diallyl phthalate, triallyl cyanurate, N-vinylphthalimide, diallyl benzene phosphonate and styrene are described. Examples are given of (1) the co-polymerization of the di (acid maleate) of 2,21-[isopropylidene bis-(p-phenylene oxy)] diethanol with 30-60 per cent styrene; (2) the copolymerization of the di-(acid maleate) or 2,21-[isopropylidene bis-(p-phenylene oxy] dipropanol with 20-90 per cent of styrene. Both polymerizations take place in the presence of a paste of equal parts of benzoyl peroxide in tricresyl phosphate. Details are given of the physical properties of these copolymers. Specification 497,175, [Group IV], is referred to.ALSO:The invention comprises compounds of the general formula: <FORM:0812255/IV (b)/1> where R is hydrogen or an alkyl group of 1-4 carbon atoms. the compounds are prepared by reacting substantially two mols. of maleic acid or anhydride, with one mol. of the corresponding dialkanol. Examples are given of the preparation of the di-(acid maleate) of 2,21-[isopropylidene bis-(p-phenyleneoxy)] diethanol and the corresponding dipropanol. Both of these compounds may be stabilized with 100 parts per million of p-tertiary butylcatechol. Specification 497,175, [Group IV], is referred to.
GB30350/57A 1956-11-16 1957-09-27 Derivatives of 2,2 [isopropylidenebis(p-phenyleneoxy)]-dialkanols Expired GB812255A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US812255XA 1956-11-16 1956-11-16

Publications (1)

Publication Number Publication Date
GB812255A true GB812255A (en) 1959-04-22

Family

ID=22162867

Family Applications (1)

Application Number Title Priority Date Filing Date
GB30350/57A Expired GB812255A (en) 1956-11-16 1957-09-27 Derivatives of 2,2 [isopropylidenebis(p-phenyleneoxy)]-dialkanols

Country Status (1)

Country Link
GB (1) GB812255A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4110207A (en) * 1976-01-05 1978-08-29 American Cyanamid Company Process for flotation of non-sulfide ores

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4110207A (en) * 1976-01-05 1978-08-29 American Cyanamid Company Process for flotation of non-sulfide ores

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