Polyamide composition and method for producing the same
The invention relates to a process for producing a polyamide or copolyamide freed from volatile constituents by removing the volatile constituents, in particular the monomers and dimers, in at least two stages from the polymer melt using an, in particular, gaseous entrainer. The invention also relat...
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Format | Patent |
Language | English |
Published |
23.03.2004
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Abstract | The invention relates to a process for producing a polyamide or copolyamide freed from volatile constituents by removing the volatile constituents, in particular the monomers and dimers, in at least two stages from the polymer melt using an, in particular, gaseous entrainer. The invention also relates to polyamide compositions made of polyamide 6 or a copolyamide with a reduced content of volatile constituents, as well as moulding compositions made of the above-mentioned polyamides, and moulded articles and fibres which are produced from these moulding compositions.
A process for producing a polyamide or copolyamide freed from volatile constituents by removing the volatile constituents, in particular the monomers and dimers, in at least two stages from the polymer melt by using an, in particular, gaseous entrainer is described. The invention also relates to polyamide compositions made of polyamide 6 or a copolyamide with a reduced volatile constituent content, as well as moulding compositions made of the above-mentioned polyamides, and moulded articles and fibers which are produced from these moulding compositions. |
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AbstractList | The invention relates to a process for producing a polyamide or copolyamide freed from volatile constituents by removing the volatile constituents, in particular the monomers and dimers, in at least two stages from the polymer melt using an, in particular, gaseous entrainer. The invention also relates to polyamide compositions made of polyamide 6 or a copolyamide with a reduced content of volatile constituents, as well as moulding compositions made of the above-mentioned polyamides, and moulded articles and fibres which are produced from these moulding compositions.
A process for producing a polyamide or copolyamide freed from volatile constituents by removing the volatile constituents, in particular the monomers and dimers, in at least two stages from the polymer melt by using an, in particular, gaseous entrainer is described. The invention also relates to polyamide compositions made of polyamide 6 or a copolyamide with a reduced volatile constituent content, as well as moulding compositions made of the above-mentioned polyamides, and moulded articles and fibers which are produced from these moulding compositions. |
Author | Kohlgrüber, Klemens Morhenn, Heinrich Göbbels, Dieter Scherer, Cliff Weyrich, Frank Triebeneck, Konrad |
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References | Sugimoto et al. (6124426) 20000900 Wheeler et al. (3630689) 19711200 Matsubara et al. (4699976) 19871000 Alsop et al. (6476181) 20021100 Ando et al. (4537954) 19850800 Nasr et al. (5459168) 19951000 Albertsen et al. (5962769) 19991000 Elsner et al. (6485607) 20021100 Pipper et al. (4578455) 19860300 (43 24 616) 19950100 (19 505 150) 19960800 |
References_xml | – year: 20021100 ident: 6476181 contributor: fullname: Alsop et al. – year: 19951000 ident: 5459168 contributor: fullname: Nasr et al. – year: 19711200 ident: 3630689 contributor: fullname: Wheeler et al. – year: 19991000 ident: 5962769 contributor: fullname: Albertsen et al. – year: 19950100 ident: 43 24 616 – year: 19850800 ident: 4537954 contributor: fullname: Ando et al. – year: 19860300 ident: 4578455 contributor: fullname: Pipper et al. – year: 20000900 ident: 6124426 contributor: fullname: Sugimoto et al. – year: 19960800 ident: 19 505 150 – year: 19871000 ident: 4699976 contributor: fullname: Matsubara et al. – year: 20021100 ident: 6485607 contributor: fullname: Elsner et al. |
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