Method for the combined processing of at least two polymer melts
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United States of America Patent
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Oct 8, 2024
Grant Date -
May 12, 2022
app pub date -
Mar 5, 2020
filing date -
Mar 5, 2020
priority date (Note) -
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status (Latency Note)
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Abstract
The invention relates to a method for the combined processing of at least two polymer melts selected from the group consisting of (M1), (M2) and (M3), wherein (M1) is a polymer melt comprising a terephthalate polyester (A1), (M2) is a polymer melt comprising a copolyester (A2) on the basis of terephthalic acid, at least one aliphatic, ω-dicarboxylic acid and at least one aliphatic 1,ω-diol, and (M3) is a polymer melt 0 comprising a copolyester (A3) on the basis of terephthalic acid, at least one polytetramethylene glycol and at least one aliphatic 1,ω-diol. The method comprises the alternating processing of the at least two polymer melts into at least one product selected from the group consisting of pellets (P1), fibers (P2), expanded particles (P3), preforms (P4) and articles (P5).
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International Classification(s)
- C08J:WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTE....
- D01D:MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE....
- B29B:PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE ....
- B29K:INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, ....
- C08L:COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- D01F:CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL....
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