COMPOSITIONS COMPRISING ALKOXYSILANE-CONTAINING ISOCYANATES AND ACID STABILISERS
申请人:SPYROU Emmanouil
公开号:US20150274760A1
公开(公告)日:2015-10-01
The present invention relates to a composition comprising (A) an isocyanate of formula (I) OCN-A-SiR
1
R
2
R
3
(I), wherein A is straight-chain, branched, substituted and/or unsubstituted aliphatic hydrocarbyl of 1 to 12 carbon atoms or substituted or unsubstituted cycloaliphatic hydrocarbyl of 4 to 18 carbon atoms, wherein R
1
is selected from the group comprising —O—R
alk
, wherein R
2
and R
3
are each independently selected from the group of substituents comprising —R
alk
and —O—R
alk
, and wherein —R
alk
is hydrocarbyl of 1 to 6 carbon atoms, and B) a Bronstedt or Lewis acid or a compound which releases a Bronstedt or Lewis acid at room temperature; and also to a process for producing a stabilized alkoxysilane-containing isocyanate comprising the step of adding a Lewis or Bronstedt acid or a compound which releases a Bronstedt or Lewis acid at room temperature to an alkoxysilane-containing isocyanate.
REACTIVE COMPOUNDS ON THE BASIS OF TRANSESTERIFICATION
申请人:Spyrou Emmanouil
公开号:US20120289648A1
公开(公告)日:2012-11-15
The invention relates to reactive compounds on the basis of transesterification, comprising A1) at least one dicarboxylic or polycarboxylic acid ester component comprising at least two or more ester groups, comprising at least one monofunctional alcohol having a mean molar mass Mn of less than or equal to 200 g/mol as the esterification component and A2) at least one diol or polyol component having at least two or more OH groups and/or B) at least one component carrying carboxylic acid ester groups, comprising at least one monofunctional alcohol having a mean molar mass Mn of less than or equal to 200 g/mol as the esterification component, and alcohol groups; and C) bismuth triflate as the catalyst; D) optionally further auxiliary agents.
Refrigerating Machine Oil, and Working Fluid Composition for Refrigerating Machine Which is Produced Using Same
申请人:KH NEOCHEM CO., LTD.
公开号:US20160168500A1
公开(公告)日:2016-06-16
Provided is a refrigerating machine oil which comprises an ester between a polyol consisting of at least one of pentaerythritol and dipentaerythritol represented by formula (I) and 2-propylheptanoic acid, and is characterized in that the refrigerating machine oil can be used in combination with a refrigerant consisting of 1,3,3,3-tetrafluoropropene (HFO-1234ze). When the refrigerating machine oil is used in combination with a refrigerant consisting of HFO-1234ze, excellent miscibility with the refrigerant, lubricity, thermal and chemical stability and the like can be achieved.
Polyoxyalkylenepolyamine reaction products and their use in cationic electrodeposition
申请人:PEINTURES CORONA
公开号:EP0193685A1
公开(公告)日:1986-09-10
Ungelled reaction products of polyoxyalkylenepolyamines with monoepoxides and optionally with a polyfunctional material which contains groups capable of reacting with amino and/or hydroxyl groups are disclosed. The reaction products can be neutralized with acid and dispersed in aqueous medium where they are useful as additives for cationic electrodeposition baths to improve surface appearance of electrodeposited coatings.
Polymers prepared by polymerizing alpha, beta-ethylenically unsaturated acids and epoxy compounds and curable coating compositions containing same
申请人:PPG INDUSTRIES, INC.
公开号:EP0295784A2
公开(公告)日:1988-12-21
The invention provides a hydroxyl-containing polymer characterised in that it is prepared by heating in the presence of a free radical initiator and optionally a chain transfer agent, the following reactive ingredients:
(A) a polymerizable alpha, beta-ethylenically unsaturated carboxylic acid and
(B) an epoxy compound containing at least 5 carbon atoms which is not polymerizable with (A);
(A) and (B) amounting to at least 80 percent by weight of the reactive ingredients and the equivalent ratio of acid in (A) to epoxy in (B) is at least 1:1.
The invention also includes a curable coating composition comprising such a hydroxyl-containing polymer and a curing agent which is reactive with the hydroxyl groups in said hydroxyl-containing polymer, the curing agent being present in an amount sufficient to form a cured product.