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    • 3. 发明授权
    • Low VOC furan resins and method of reducing VOCs in furan resins
    • 低VOC呋喃树脂和呋喃树脂中挥发性有机化合物的还原方法
    • US5545825A
    • 1996-08-13
    • US369827
    • 1995-01-06
    • Thomas J. TaylorWilliam H. KielmeyerCarl A. Rude
    • Thomas J. TaylorWilliam H. KielmeyerCarl A. Rude
    • C08G16/02C08K5/17C08K5/21C08K5/31
    • C08G16/025
    • The present invention relates to furan resins having low levels of VOCs. The claimed furan resins are the reaction product of a source of ammonia and a first reaction product, said first reaction product being derived from the reaction between a source of reactable formaldehyde, a formaldehyde scavenger, and an acidic furan resin resulting from the polymerization reaction wherein at least one reagent is selected from the group consisting of the furan containing molecule having the general formula ##STR1## and its saturated analogs thereof having zero to one carbon-carbon double bonnets, wherein X and Y are independently comprised of organic molecular groups.The invention further pertains to a method of decreasing formaldehyde in undesirable volatile organic compounds in furan resins, consisting of the steps of providing an acidic aqueous compatible furan resin, providing a source of reactable formaldehyde, mixing a formaldehyde scavenger with the furan resin in the presence of the source of reactable formaldehyde to form a first mixture, heating the first mixture to a temperature of less than 100.degree. C. for a period of from one to ten hours, adding a source of ammonia to the first mixture to form a second mixture, and heating the second mixture to a temperature of less than 100.degree. C. for a period of from one to ten hours.
    • 本发明涉及具有低VOC含量的呋喃树脂。 要求保护的呋喃树脂是氨源和第一反应产物的反应产物,所述第一反应产物衍生自可反应的甲醛源,甲醛清除剂和由聚合反应产生的酸性呋喃树脂之间的反应,其中 至少一种试剂选自具有通式为“IMAGE”的呋喃含分子,其饱和类似物具有0至1碳碳双核,其中X和Y独立地由有机分子组成。 本发明还涉及一种降低呋喃树脂中不期望的挥发性有机化合物中的甲醛的方法,包括以下步骤:提供酸性含水相容的呋喃树脂,提供可反应的甲醛源,在存在下将甲醛清除剂与呋喃树脂混合 的可反应甲醛来源以形成第一混合物,将第一混合物加热至低于100℃的温度1至10小时,向第一混合物中加入氨源以形成第二混合物 ,并将第二混合物加热至低于100℃的温度1至10小时。
    • 4. 发明授权
    • Low VOC furan resins and method of reducing VOCS in furan resins
    • 低VOC呋喃树脂和呋喃树脂中VOCS的还原方法
    • US5459183A
    • 1995-10-17
    • US64830
    • 1993-05-19
    • Thomas J. TaylorWilliam H. Kielmeyer
    • Thomas J. TaylorWilliam H. Kielmeyer
    • C08G16/02C08K5/21C08K5/29C08K5/34
    • C08G16/025
    • The present invention relates to furan resins having low levels of VOCs. The claimed furan resins are the reaction product of a source of ammonia and a first reaction product, said first reaction product being derived from the reaction between a source of reactable formaldehyde, a formaldehyde scavenger, and an acidic furan resin resulting from the polymerization reaction wherein at least one reagent is selected from the group consisting of the furan containing molecule having the general formula ##STR1## and its saturated analogs thereof having zero to one carbon-carbon double bonnets, wherein X and Y are independently comprised of organic molecular groups.The invention further pertains to a method of decreasing formaldehyde in undesirable volatile organic compounds in furan resins, consisting of the steps of providing an acidic aqueous compatible furan resin, providing a source of reactable formaldehyde, mixing a formaldehyde scavenger with the furan resin in the presence of the source of reactable formaldehyde to form a first mixture, heating the first mixture to a temperature of less than 100.degree. C. for a period of from one to ten hours, adding a source of ammonia to the first mixture to form a second mixture, and heating the second mixture to a temperature of less than 100.degree. C. for a period of from one to ten hours.
    • 本发明涉及具有低VOC含量的呋喃树脂。 要求保护的呋喃树脂是氨源和第一反应产物的反应产物,所述第一反应产物衍生自可反应的甲醛源,甲醛清除剂和由聚合反应产生的酸性呋喃树脂之间的反应,其中 至少一种试剂选自具有通式为“IMAGE”的呋喃含分子,其饱和类似物具有0至1碳碳双核,其中X和Y独立地由有机分子组成。 本发明还涉及一种在呋喃树脂中降低不期望的挥发性有机化合物中的甲醛的方法,该方法包括以下步骤:提供酸性含水相容的呋喃树脂,提供可反应的甲醛源,在存在下将甲醛清除剂与呋喃树脂混合 的可反应甲醛来源以形成第一混合物,将第一混合物加热至低于100℃的温度1至10小时,向第一混合物中加入氨源以形成第二混合物 ,并将第二混合物加热至低于100℃的温度1至10小时。