Abstract: Flame-retardant polyester filaments of excellent whiteness are prepared from dimethyl terephthalate, ethylene glycol and 2,2-bis-[4-(2-hydroxyethoxy)-3,5-dibromophenyl] propane by a continuous process as illustrated in the drawing. Conducting the polymerization within a holdup time of 2.5 hours at temperatures from about 273.degree. to about 290.degree. C. is shown to provide flame-retardant filaments having excellent whiteness. Addition of 7-naphtha-triazinyl-3-phenylcoumarin and a blue toner further improve the whiteness value and the inclusion of antimony oxide provides even greater flame retardance.
Abstract: Improved water-emulsifiable ester lubricants for polymeric and metal materials are provided which yield stable emulsions even in the absence of emulsifying agents. The ester lubricants are obtainable from a higher molecular weight di- or polycarboxylic acid and a polyalkoxylated lower alkyl alcohol.
Type:
Grant
Filed:
December 19, 1974
Date of Patent:
May 25, 1976
Assignee:
Emery Industries, Inc.
Inventors:
Arie Dick Kardol, Adrianus Trapman, Gijsbert VAN DER Waal
Abstract: This invention provides certain complex molecules which possess excellent solubility in water and excellent reactivity making them useful in the manufacture of non-woven products and processes for their preparation. The compositions are comprised of structural units derived from a higher polycarboxylic acid and about one mole of a di-epoxide per carboxyl group, about 0.5 to 1.5 moles of an alkoxy polyoxyalkylene compound and about 0.5 to 1.5 moles of an alkanolamine neutralized with a lower monocarboxylic acid.