Results 141 to 150 of about 13,512 (226)

Mono- and diesters of o-phthalic acid in leachates from young landfills in early degradation phases

open access: yes, 2002
All members of the chemical group of phthalates are salts of phthalic acid and in the international literature dealing with phthalates, the chemical group seems to have been regarded as phthalic acid diesters only, although, the diesters might be ...
Jonsson, Susanne,, Svensson, Bo,
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Imide oligomers endcapped with phenylethynyl phthalic anhydrides and polymers therefrom

open access: yes, 1996
Controlled molecular weight phenylethynyl terminated imide oligomers (PETIs) have been prepared by the cyclodehydration of precursor phenylethynyl terminated amic acid oligomers.
Hergenrother, Paul M.   +1 more
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Imide Oligomers Endcapped with Phenylethynl Phthalic Anhydrides and Polymers Therefrom

open access: yes, 1998
Controlled molecular weight phenylethynyl terminated imide oligomers (PETIs) have been prepared by the cyclodehydration of precursor phenylethynyl terminated amic acid oligomers.
Hergenrother, Paul M.   +1 more
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A new phthalic acid ester from Ajuga bracteosa

open access: yes, 2007
A new phthalic acid ester 1,2-benzenedicarboxylic acid bis(2S-methyl heptyl) ester (1) was isolated from the hexane extract of the whole plant of Ajuga bracteosa.
Singh , N   +3 more
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Pra Rancangan Pabrik Pembuatan Phthalic Acid Anhydride dengan Metode Oksidasi Ortho Xylene dengan Kapasitas 120.000 Ton/ Tahun

open access: yes, 2009
Pabrik pembuatan phthalic acid anhydride yang diperoleh dengan mengoksidasi ortho xylene ini direncanakan berproduksi dengan kapasitas 120.000 ton/tahun dengan 330 hari kerja dalam 1 (satu) tahun.
Sinaga, Freddy Rhapael J.
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