Composite felt made of waste wool, waste terylene, and composite fiber
Patent Information
- Authority / Receiving Office
- CN Β· China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- εη
- Publication Date
- 2007-04-25
- Estimated Expiration
- Not applicable Β· inactive patent
Smart Images
Figure 1
Abstract
Description
technical field
[0001] The invention relates to a composite felt made of waste wool, waste polyester and composite fibers, which can be used for automobile interior materials and belongs to the technical field of automobile interior materials. Background technique
[0002] At present, sound insulation, shockproof, and heat insulation materials for automotive interiors are made of waste wool and phenolic resin, and are made of non-woven air-laid nets. Because this material contains formaldehyde, it will cause harm to the drivers and passengers in the car. harm. And, because phenolic resin is a thermosetting plastic, so waste hair and phenolic resin composite felt cannot be recycled. Contents of the invention
[0003] The purpose of the present invention is to provide an environmentally friendly, odorless and recyclable composite felt made of waste wool, waste polyester and composite fibers.
[0004] In order to achieve the above object, the technical solution of the prese...