摘要:
The invention relates to hardeners for water-based epoxy resin systems providing a longer resin pot life, incorporating particular compounds (F) and being obtainable by (i) reacting a mixture of (A) at least one epoxidized polyalkylene oxide (A), (B) at least one epoxidized aromatic hydroxy compound (B); (C) at least one aromatic hydroxy compound (C); and (D) optionally, at least one di- or tri-glycidyl ether compound (D), to form a first intermediate product (Z1) having an epoxy value of less than 10%; (ii) reacting the intermediate product (Z1) with a polyamine (E) to form a second intermediate product (Z2); and (iii) reacting the intermediate product (Z2) with a compound (F) selected from (a) monofunctional epoxy compounds, and (b) glycidyl ethers of aliphatic and aromatic hydrocarbons. The resin mixtures have pot lives in excess of one hour and, after curing, provide clear floor coatings with less than 3% shrinkage.
摘要:
The invention relates to hardeners for water-based epoxy resin systems providing a longer resin pot life, incorporating particular carbonyl compounds (F) and being obtainable by (i) reacting a mixture of (A) at least one epoxidized polyalkylene oxide (A), (B) at least one epoxidized aromatic hydroxy compound (B); (C) at least one aromatic hydroxy compound (C); and (D) optionally, at least one di- or tri-glycidyl ether compound (D), to form a first intermediate product (Z1) having an epoxy value of less than 10%; (ii) reacting the intermediate product (Z1) with a polyamine (E) to form a second intermediate product (Z2); and (iii) reacting the intermediate product (Z2) with a carbonyl compound (F) having the general formula (I): wherein R1 and R2 independently represent hydrogen, a C1-22 alkyl group or a C6H5, OH, OR3 group, where R3 is a C1-22 alkyl group; among others. The resin mixtures provide clear floor coatings.
摘要翻译:本发明涉及提供更长的树脂适用期的水基环氧树脂体系的固化剂,其中加入了特定的羰基化合物(F),可通过(i)使(A)至少一种环氧化聚环氧烷(A), (B)至少一种环氧化芳族羟基化合物(B); (C)至少一种芳族羟基化合物(C); 和(D)任选的至少一种二缩水甘油醚化合物(D),以形成环氧值小于10%的第一中间产物(Z1); (ii)使中间产物(Z1)与多胺(E)反应以形成第二中间产物(Z2); 和(iii)使中间产物(Z2)与具有通式(I)的羰基化合物(F)反应:其中R 1和R 2独立代表氢, C 1-22烷基或C 6 H 5,OH,OR 3,其中R 3是一个C 1-22烷基; 等等 树脂混合物提供清晰的地板涂层。
摘要:
The invention relates to hardeners for water-based epoxy resin systems providing a longer resin pot life, incorporating particular carbonyl compounds (F) and being obtainable by (i) reacting a mixture of (A) at least one epoxidized polyalkylene oxide (A), (B) at least one epoxidized aromatic hydroxy compound (B); (C) at least one aromatic hydroxy compound (C); and (D) optionally, at least one di- or tri-glycidyl ether compound (D), to form a first intermediate product (Z1) having an epoxy value of less than 10%; (ii) reacting the intermediate product (Z1) with a polyamine (E) to form a second intermediate product (Z2); and (iii) reacting the intermediate product (Z2) with an α,β-unsaturated carbonyl compound or nitrile (F) having the general formula (I). The resin mixtures have pot lives in excess of one hour and, after curing, provide clear floor coatings with less than 3% shrinkage.
摘要:
Hardeners for water-based epoxy resin systems, the hardeners being obtainable by reacting a mixture of: (A) at least one epoxidized polyalkylene oxide selected from the group of epoxidized polyethylene oxides, epoxidized polypropylene oxides and polyethylene propylene oxides, (B) at least one epoxidized aromatic hydroxy compound selected from the group of bisphenol A epoxides and bisphenol F epoxides and (C) at least one aromatic hydroxy compound selected from the group of bisphenol A and bisphenol F, to form an intermediate product and subsequently reacting this intermediate product with a polyamine (E), are disclosed.
摘要:
The invention relates to hardeners for water-based epoxy resin systems providing a longer resin pot life, incorporating particular compounds (F) and being obtainable by (i) reacting a mixture of (A) at least one epoxidized polyalkylene oxide (A), (B) at least one epoxidized aromatic hydroxy compound (B); (C) at least one aromatic hydroxy compound (C); and (D) optionally, at least one di- or tri-glycidyl ether compound (D), to form a first intermediate product (Z1) having an epoxy value of less than 10%; (ii) reacting the intermediate product (Z1) with a polyamine (E) to form a second intermediate product (Z2); and (iii) reacting the intermediate product (Z2) with a compound (F) selected from Lewis acids. The resin mixtures have pot lives in excess of one hour and, after curing, provide clear floor coatings with less than 3% shrinkage.
摘要:
Hardeners for water-based epoxy resin systems, the hardeners being obtainable by reacting a mixture of: (A) at least one epoxidized polyalkylene oxide selected from the group of epoxidized polyethylene oxides, epoxidized polypropylene oxides and polyethylene propylene oxides, (B) at least one epoxidized aromatic hydroxy compound selected from the group of bisphenol A epoxides and bisphenol F epoxides and (C) at least one aromatic hydroxy compound selected from the group of bisphenol A and bisphenol F, to form an intermediate product and subsequently reacting this intermediate product with a polyamine (E), are disclosed.
摘要:
Ring opening products of epoxides with fatty acid methyl esters with alkanols or water are eminently suitable as viscosity adjusters for high-viscosity polyols.
摘要:
A nonionic surfactant for emulsion polymerization is provided, and includes products from the addition of 3 to 20 mols of ethylene and/or propylene oxide onto 1 mol of one or more diterpene alcohols selected from the group consisting of abietyl alcohol, dihydroabietyl alcohol, tetrahydroabietyl alcohol and dehydroabietyl alcohol, wherein the surfactant is included as an emulsifier in a polymer emulsion. A method for stabilizing an emulsion polymer or polymer dispersion is also provided, including the steps of adding an emulsifier, to an emulsion polylmer or polymer dispersion comprising monomers, in an amount of from about 0.5 to about 10% by weight, based on the total quantity of monomers present, the emulsifier including products from the addition of 3 to 20 mols of ethylene and/or propylene oxide onto 1 mol of one or more diterpene alcohols selected from the group consisting of abietyl alcohol, dihydroabietyl alcohol, tetrahydroabietyl alcohol and dehydroabietyl alcohol.
摘要:
Ring opening products of epoxides with fatty acid methyl esters with alkanols or water are eminently suitable as viscosity adjusters (reducers) for high-viscosity polyols.