[EN] AMINE SUITABLE AS PU-CATALYST<br/>[FR] AMINE UTILISABLE COMME CATALYSEUR PU
申请人:HUNTSMAN PETROCHEMICAL LLC
公开号:WO2013182345A1
公开(公告)日:2013-12-12
An amine according to the invention has a formula (CH3)2NCH2CH2OCH2CH2CH2N(R1)(R2) wherein R1 is selected from (CH3)2NCH2CH2OCH2CH2CH2- and R2 is selected from the group consisting of H-, CH3(CnH2n)-,HO(CmH2m)- and (CH3)2NCH2CH2OCH2CH2CH2-, n being an integer in the range of 0 to 5, m being an integer in the range of 2 to 4.
Polyquaternary ammonium compounds, their preparation, their use in the
申请人:Bayer Aktiengesellschaft
公开号:US04423194A1
公开(公告)日:1983-12-27
The present invention relates to new water-soluble polyquaternary compounds which are obtained by imidation of (A) specific alternating copolymers of maleic anhydride and olefines with (B) specific amines and (C) subsequent alkylation of the reaction product AB, the components (A) and (B) having the meaning given in the text of the Application. The invention furthermore relates to a process for the preparation of these water-soluble polyammonium compounds and their use as agents for improving the wet and dry tear strength of paper. The invention also relates to new intermediate products for the preparation of the compounds according to the invention.
Process for cellular polyurethane formation using tertiary amine catalyst mixtures
申请人:UNION CARBIDE CORPORATION
公开号:EP0048985A1
公开(公告)日:1982-04-07
Tertiary amine catalyst mixtures comprising at least one hydroxyalkyl piperazine, preferably 2-hydroxyethyl piperazine or 1,4-di-(2-hydroxyethyl) piperazine, and at least one other tertiary amine for increasing the processability of hydroxyalkyl piperazine in controlling the water-isocyanate reaction rate to obtain optimum performance in cellular polyurethane foam formulations and/or enhancing the compatibility of hydroxyalkyl piperazine with other foaming ingredients in flexible polyester polyurethane foam formulation; and a process for producing cellular polyurethanes, such as flexible polyester or polyether polyurethane foam and high resilience polyether polyurethane foam, by effecting the reaction of an organic polyol reactant and an organic polyisocyanate reactant in the presence of a blowing agent and said tertiary amine catalyst mixture, the resulting cellular polyurethanes exhibiting very low residual amine odor.