公开(公告)号：US20240301198A1

公开(公告)日：2024-09-12

申请号：US18119687

申请日：2023-03-09

Applicant: Hexion Inc.

Inventor： Byung Young NO ,  Gregory D. BRINER ,  Alan Kirk EDWARDS ,  David A. SNOVER

IPC: C08L61/32

CPC classification number: C08L61/32 ,  C08L2205/03

Abstract: Embodiments of the present disclosure generally relate to urea-formaldehyde (UF) resin compositions, methods of making, and uses thereof. In an embodiment, a method of forming a UF resin composition is provided. The method includes heating a first mixture comprising formaldehyde and a first amount of urea, introducing a bio-additive with the first mixture to from a second mixture, and heating the second mixture at a selected temperature while maintaining the second mixture at a selected pH. The method further includes introducing a second amount of urea to the second mixture to form a third mixture, and heating the third mixture to form a first product mixture comprising a UF resin composition. In another embodiment, a UF resin composition is provided. The UF resin composition includes a liquid UF resin and a bio-additive. The UF resin composition can optionally include a rheology- and/or strength-enhancing polymer, a methylated melamine-formaldehyde crosslinker, or both.

公开(公告)号：US20160068637A1

公开(公告)日：2016-03-10

申请号：US14943943

申请日：2015-11-17

Applicant: Hexion Inc.

Inventor： Yingchao ZHANG ,  David A. SNOVER

IPC: C08G81/02 ,  C08L61/24

CPC classification number: C08G81/024 ,  C08F8/30 ,  C08F16/06 ,  C08G12/12 ,  C08L61/24 ,  C08L2201/56 ,  C08L2312/04 ,  C08L29/04

Abstract: The mechanical properties of urea formaldehyde resins may be improved by incorporating therein polyvinyl alcohol. The polyvinyl alcohol may be incorporated during pre-mixing, mid mixing, and/or post mixing of the resin components. Resins prepared using polyvinyl alcohol are particularly desirable in articles requiring improved mechanical strength and water resistance, as compared to similar resins prepared without the polyvinyl alcohol such as shingles.

Abstract translation: 尿素甲醛树脂的机械性能可以通过在其中加入聚乙烯醇来改善。 聚乙烯醇可以在树脂组分的预混合，中混合和/或后混合中引入。 与不用聚乙烯醇制成的类似树脂相比，需要改进的机械强度和耐水性的制品中，使用聚乙烯醇制备的树脂是特别需要的。