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IT4959578A1978-05-301978-05-30Tri:hydrocarbyl 2,5-di:hydroxyphenyl phosphonium salt prepn. - from phosphine deriv., para-benzoquinone and acid, useful as latent catalyst for epoxy! resins
IT1156784B
(en)
Tri:hydrocarbyl 2,5-di:hydroxyphenyl phosphonium salt prepn. - from phosphine deriv., para-benzoquinone and acid, useful as latent catalyst for epoxy! resins
Tri:hydrocarbyl 2,5-di:hydroxyphenyl phosphonium salt prepn. - from phosphine deriv., para-benzoquinone and acid, useful as latent catalyst for epoxy! resins
Tri:hydrocarbyl 2,5-di:hydroxyphenyl phosphonium salt prepn. - from phosphine deriv., para-benzoquinone and acid, useful as latent catalyst for epoxy! resins