WebEP2 757 115B1 2 5 10 15 20 25 30 35 40 45 50 55 Description Technical Field [0001] The present invention relates to a method for producing a urethane optical member. More specifically, the present invention relates to a method for producing a urethane optical member using an aromatic polyisocyanate that WebA method for preparing polycarbonates by melt polycondensation of a dihydroxy compound and a diarylcarbonate compound in the presence of an alkaline catalyst is described. A branching quencher compound is added to an intermediate polycarbonate produced by the melt polycondensation reaction in an amount effective to inhibit or prevent the formation …
1,1
WebTop 30 analogous words or synonyms for dicyclodecane. Article Example; Copyright © 2024 WordSimilarity WordSimilarityAPIWordSimilarity WordSimilarityAPI Webdicycloheptane 0.747150. cycloheptanediol 0.743612. Top 30 analogous words or synonyms for dimethanol. Article Example; Polycyclohexylenedimethylene terephthalate: Polycyclohexylenedimethylene terephthalate (PCT) is a thermoplastic polyester formed from the polycondensation of terephthalic acid and cyclohexylene-dimethanol. tablecloth for umbrella table
URETHANE-BASED OPTICAL MEMBER AND METHOD FOR …
WebA polymerizable composition which contains a cycloolefin monomer, metathesis polymerization catalyst, cross-linking agent, and carbon fiber which is brought into contact in advance with a sizing agent which includes a compound having an unsaturated terminal group and a polar group, a cross-linkable shaped article obtained by porimerizing the … WebProvided are a urethane optical member that has excellent transparency without turbidity or fog and a high refractive index, and a method for producing the same. A urethane optical member including at least one kind of structures represented by the formula (1) or (2) in a structure constituting the optical member, and a method for producing the same. WebDE2147255A1 DE19712147255 DE2147255A DE2147255A1 DE 2147255 A1 DE2147255 A1 DE 2147255A1 DE 19712147255 DE19712147255 DE 19712147255 DE 2147255 A … tablecloth for wedding 120 inch table