Reuse of polyamide and polyester mixed waste by addition of compatibilizer

Polyamide and polyester mixed waste carpeting recycled for use in fabricating new carpeting and pile fabrics by adding a copolymer derived from an alkene monomer and an unsaturated epoxy-containing monomer as a compatibilizing agent. The mixture, e.g. of 75-90% polyamide, 10-25% of polyester and 5-2...

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Bibliographische Detailangaben
1. Verfasser:	MATTHEW B STUDHOLME
Format:	Patent
Sprache:	eng
Schlagworte:	APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBONFILAMENTS CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS,THREADS, FIBRES, BRISTLES OR RIBBONS CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION ORPROCESSING OF GOODS CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATERTREATMENT OR WASTE MANAGEMENT GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULARARTICLES INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS MAKING GRANULES OR PREFORMS NATURAL OR ARTIFICIAL THREADS OR FIBRES PERFORMING OPERATIONS PREPARATION OR PRETREATMENT OF THE MATERIAL TO BESHAPED RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIALCONTAINING PLASTICS SPINNING TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE TEXTILES TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	Polyamide and polyester mixed waste carpeting recycled for use in fabricating new carpeting and pile fabrics by adding a copolymer derived from an alkene monomer and an unsaturated epoxy-containing monomer as a compatibilizing agent. The mixture, e.g. of 75-90% polyamide, 10-25% of polyester and 5-20% of the copolymer, which may be a copolymer of ethylene and glycidyl methacrylate, is subjected to a melt extrusion fibre spinning process for form yarn.