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A novel synthesis of polyesters with pendant hydroxyl groups by polyaddition of bis(oxetane) with dicarboxylic acids catalyzed by quaternary onium salts

✍ Scribed by Tadatomi Nishikubo; Atsushi Kameyama; Akira Suzuki


Publisher
Elsevier Science
Year
1998
Tongue
English
Weight
634 KB
Volume
37
Category
Article
ISSN
1381-5148

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πŸ“œ SIMILAR VOLUMES


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## Abstract A new polyaddition of bis(oxetare)s with diacyl chlorides catalyzed by quaternary onium salts is described. The reactions of the new bifunctional monomer, bis(3‐methyl‐3‐oxetanylmethyl) terephthalate, with terephthaloyl chloride using quaternary ammonium halides proceed smoothly under m

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The polyaddition of 1,4-bis [(3-ethyl-3-oxetanyl)methoxymethyl]benzene (BEOB) with 3,3Ј,5,5Ј-tetrachlorobisphenol A (TCBPA) was examined with or without catalysts. High molecular weight polymer (polymers 1) (M n ϭ 13,600) with pendant primary hydroxyl groups was obtained in a 99% yield without any g

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Addition reaction of (3-methyl-3-oxetanyl)methyl acetate (MOMA) with bis(4-mercaptophenyl) sulfide (BMPS) was examined in certain organic solvents. When the reaction of MOMA with BMPS was performed without any catalyst in hexamethylphosphoric triamide (HMPA) and N-methyl-2-pyrrolidone (NMP) at 130Β°C

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New reactive polymers with pendant halomethyl groups were successfully synthesized by polyaddition reactions of bis(epoxide)s with bis(chloroacetoxy)ester such as 1,4-bis[(chloroacetoxy)methyl]benzene (BCAMB) or 1,4-bis[(bromoacetoxy)methyl]benzene (BBAMB) using quaternary onium salts or crown ether