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Fiber Reinforced Polypropylene Composites

A composite material, polypropylene technology, applied in the field of molded products, can solve the problem of high polyethylene

Active Publication Date: 2021-05-07
BOREALIS AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Efforts to improve impact strength by adding specific polyethylene to this composite to inhibit cavitation of the elastomeric phase of the PP / wood fiber composite (see, e.g., Applicants Unpublished European patent application 15181060.3), but the amount of polyethylene required to obtain a significant effect is quite high

Method used

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  • Fiber Reinforced Polypropylene Composites
  • Fiber Reinforced Polypropylene Composites
  • Fiber Reinforced Polypropylene Composites

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Experimental program
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Embodiment

[0311] 1. Definition / measurement method

[0312] Unless otherwise defined, the following definitions of terms and assay methods apply to the above general description of the invention as well as to the following examples.

[0313] Quantification of microstructure by NMR spectroscopy

[0314] Quantitative nuclear magnetic resonance (NMR) spectroscopy was used to quantify the comonomer content of the polymers. against 1 H and 13 C, Quantification of the solution state recorded using a Bruker Advance III 400NMR spectrometer operating at 400.15 MHz and 100.62 MHz, respectively 13 C{ 1 H} NMR spectrum. by using 13 A C-optimal 10 mm extended temperature probe was used to record all spectra at 125°C using nitrogen for all atmospheres. Mix approximately 200 mg of the material with chromium(III) acetylacetonate (Cr(acetylacetonate) 3 ) together in 3ml of 1,2-tetrachloroethane-d 2 (TCE-d 2 ), a 65 mM solution of the relaxation agent in solvent was obtained (Singh, G., Kothari, ...

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PUM

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Abstract

The present invention relates to a novel composite material comprising cellulose-based fibers and polymer-based fibers, and to moldings made of said composite material.

Description

technical field [0001] The present invention relates to a novel composite material comprising cellulose-based fibers and polymer-based fibers, and to moldings made of said composite material. Background technique [0002] Reinforced composite materials are well known and frequently used in the automotive industry. In the automotive industry, there is a trend towards reducing the carbon footprint of materials. This leads to the combination of traditional fossil-based thermoplastics such as polypropylene with renewable reinforcements obtained from natural fibers or wood. This approach sounds enticing for injection-molded automotive interior parts for both visible and invisible applications, but there are several hurdles that could hinder their successful use. A major disadvantage is that the impact strength of this composite is poor, even more so for wood fibers than for other natural fibers such as hemp or flax or man-made cellulose fibers such as ) is more obvious. The ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L23/12
CPCC08K7/02C08L23/12C08L23/16C08L2207/02C08L1/02C08J5/045C08J5/046C08J5/047C08L23/14C08L23/26C08L53/005C08F2500/17C08F2500/12C08L23/142C08L2205/025C08L2205/03C08L2205/035C08L2205/16
Inventor T·卢默斯托弗M·耶拉贝克L·索布查克A·海德尔
Owner BOREALIS AG