Invention Grant
US09266308B2 Lignocellulosic materials with expanded plastics particles present in nonuniform distribution in the core
有权
具有发泡塑料颗粒的木质纤维素材料在核心中以不均匀分布存在
- Patent Title: Lignocellulosic materials with expanded plastics particles present in nonuniform distribution in the core
- Patent Title (中): 具有发泡塑料颗粒的木质纤维素材料在核心中以不均匀分布存在
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Application No.: US13724005Application Date: 2012-12-21
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Publication No.: US09266308B2Publication Date: 2016-02-23
- Inventor: Stephan Weinkötz , Michael Schmidt , Michael Finkenauer , Ralph Lunkwitz
- Applicant: BASF SE
- Applicant Address: DE Ludwigshafen
- Assignee: BASF SE
- Current Assignee: BASF SE
- Current Assignee Address: DE Ludwigshafen
- Agency: Drinker Biddle & Reath LLP
- Main IPC: B32B21/02
- IPC: B32B21/02 ; C08L97/02 ; B32B3/26

Abstract:
The invention is directed to lignocellulosic materials having a core and two outer layers, containing in the core A) lignocellulose particles; B) expanded plastics particles having a bulk density in the range from 10 to 150 kg/m3, C) one or more binders selected from the group consisting of aminoplast resin, phenoplast resin, and organic isocyanate having at least two isocyanate groups, and D) optionally additives and in the outer layers E) lignocellulose particles, F) one or more binders selected from the group consisting of aminoplast resin, phenol-formaldehyde resin, and organic isocyanate having at least two isocyanate groups, and where the lignocellulose particles of the outer layers E comprise at least 25% by weight of lignocellulosic chips and the expanded plastics particles B are present in nonuniform distribution in the core.
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