Tosoh Corporation

Sagami Chemical Research Institute

Takahiro Masuda

Yutaka Tamano

Yukinori Sudo

Hiroaki Nakamura

Kenji Hirai

Setsuo Yoshida

Osamu Kobayashi

Takuri Ozaki

To provide an aldehyde scavenger and a method for removing aldehydes by using the same, for quickly and continuously capturing aldehydes. An aldehyde scavenger comprising at least one O-substituted hydroxylamine or at least one chemically acceptable salt thereof, is used against an aldehyde generation source.

Aldehyde scavenger and method for removing aldehydes

To provide a palladium separating agent capable of separating palladium ions from a solution containing palladium ions of a low concentration to a high concentration in a short time with a high selectivity, and a method for separating palladium. A palladium separating agent having a functional group represented by the formula (1) bonded to a carrier:&#x2014;Z&#x2014;(CH)-S&#x2014;R&#x2003;&#x2003;(1)

Palladium separating agent, method for producing same and use of same

Provided is a hydroxyalkylated polyalkylene polyamine composition, and a method for preparing the composition at low cost. Further disclosed is a method for producing a polyurethane resin by using the hydroxyalkylated polyalkylene polyamine composition containing at least two hydroxyalkylated polyalkylene polyamines as defined herein.

Hydroxyalkylated polyalkylenepolyamine composition, method for producing same and method for producing polyurethane resin using such hydroxyalkylated polyalkylenepolyamine composition

Disclosed is a novel hydroxyalkylated polyalkylene polyamine composition, and a method for preparing the hydroxyalkylated polyalkylene polyamine composition at low cost. Further disclosed is a method for producing a polyurethane resin by using the hydroxyalkylated polyalkylene polyamine composition containing at least two hydroxyalkylated polyalkylene polyamines represented by the following general formula (1): In the formula (1), Rto Rare independently a Cto Calkyl group or a substituent represented by the following general formula (2): wherein Rand Rare independently a hydrogen atom or a Cto Calkyl group, and p is an integer from 1 to 3; and Rand R, R, R, or Rmay arbitrarily bond together to form a ring; at least one of Rto Ris a substituent represented by the general formula (2) but all of Rto Rcannot be substituents represented by the general formula (2) at the same time; n and m are independently an integer from 1 to 5; and a is an integer from 1 to 6.

Hydroxyalkylated polyalkylenepolyamine composition, method of producing the same and their use in polyurethanes

Catalyst containing various amine compounds are described, for the production of polyurethane resins.

Catalyst for production of a polyurethane resin and method for producing a polyurethane resin

Polyurethane resins are produced by reacting a polyol with a polyisocyanate in the presence of an amine catalyst of one of the formulae:

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Shunan, Japan

Takahiro Masuda