Articles produced by thermoforming

    公开(公告)号:US09914832B2

    公开(公告)日:2018-03-13

    申请号:US15309711

    申请日:2015-04-29

    Applicant: BASF SE

    Abstract: The present invention relates to an item produced by thermoforming, comprising: i) from 45 to 59% by weight, based on the total weight of components i to iv, of a biodegradable polyester comprising: i-a) from 90 to 100 mol %, based on components i-a to i-b, of succinic acid; i-b) from 0 to 10 mol %, based on components i-a to i-b, of one or more C6-C20 dicarboxylic acids; i-c) from 98 to 102 mol %, based on components i-a to i-b, of 1,3-propanediol or 1,4-butanediol; i-d) from 0.05 to 1% by weight, based on components i-a to i-c, of a chain extender or branching agent; ii) from 5 to 14% by weight, based on the total weight of components i to iv, of an aliphatic-aromatic polyester comprising: ii-a) from 30 to 70 mol %, based on components ii-a to ii-b, of a C6-C18-dicarboxylic acid; ii-b) from 30 to 70 mol %, based on components ii-a to ii-b, of terephthalic acid; ii-c) from 98 to 100 mol %, based on components ii-a to ii-b, of 1,3-propanediol or 1,4-butanediol; ii-d) from 0.05 to 1% by weight, based on components ii-a to ii-c, of a chain extender or branching agent; iii) from 15 to 24% by weight, based on the total weight of components i to iv, of polylactic acid; iv) from 10 to 35% by weight, based on the total weight of components i to iv, of at least one mineral filler; where the following applies to the compounded material comprising components i to iv: the ratio of component i to component iii in the compounded material is from 2.2 to 3.2, and the MVR of the compounded material is from 1 to 10 cm3/10 min in accordance with DIN EN 1133-1 of Mar. 1, 2012 (190° C., 2.16 kg).

    BIODEGRADABLE POLYESTER MIXTURE
    2.
    发明申请
    BIODEGRADABLE POLYESTER MIXTURE 有权
    可生物降解聚酯混合物

    公开(公告)号:US20140134363A1

    公开(公告)日:2014-05-15

    申请号:US14074772

    申请日:2013-11-08

    Applicant: BASF SE

    Abstract: Disclosed is a biodegradable polyester mixture comprising 45 to 95 wt %, based on the total weight of polyester I and II, of a polyester I constructed from an aliphatic C9-C18 dicarboxylic acid or a C9-C18 dicarboxylic acid derivative; terephthalic acid or a terephthalic acid derivative; a C3-C6 diol; an at least trihydric alcohol; and a chain extender. The biodegradable polyester mixture further comprises 5 to 55 wt %, based on the total weight of polyester I and II, of a polyester II constructed from an aliphatic C4-C6 dicarboxylic acid or a C4-C6 dicarboxylic acid derivative; terephthalic acid or a terephthalic acid derivative; a C3-C6 diol; an at least trihydric alcohol; and a chain extender. The biodegradable polyester mixture further comprises 10 to 25 wt %, based on the total weight, of calcium carbonate; and 3 to 15 wt %, based on the total weight, of talc.

    Abstract translation: 公开了一种可生物降解的聚酯混合物,其包含基于聚酯I和II的总重量的45至95重量%的由脂族C 9 -C 18二羧酸或C 9 -C 18二羧酸衍生物构成的聚酯I; 对苯二甲酸或对苯二甲酸衍生物; C3-C6二醇; 至少三元醇; 和扩链剂。 基于聚酯I和II的总重量,可生物降解的聚酯混合物还包含5至55重量%的由脂族C 4 -C 6二羧酸或C 4 -C 6二羧酸衍生物构成的聚酯II; 对苯二甲酸或对苯二甲酸衍生物; C3-C6二醇; 至少三元醇; 和扩链剂。 可生物降解的聚酯混合物还包含基于总重量的10至25重量%的碳酸钙; 和基于总重量的3至15重量%的滑石。

    Injection-moulded article
    3.
    发明授权

    公开(公告)号:US09914831B2

    公开(公告)日:2018-03-13

    申请号:US15309696

    申请日:2015-04-29

    Applicant: BASF SE

    Abstract: The present invention relates to an injection-molded item with HDT-B temperature of from 80 to 105° C. in accordance with DIN EN ISO 75-2:2004-09, comprising: i) from 47 to 59% by weight, based on the total weight of components i to iv, of a biodegradable aliphatic polyester; ii) from 3 to 14% by weight, based on the total weight of components i to iv, of an aliphatic-aromatic polyester; iii) from 15 to 24% by weight, based on the total weight of components i to iv, of polylactic acid; iv) from 10 to 35% by weight, based on the total weight of components i to iv, of at least one mineral filler; where the following applies to the compounded material comprising components i to iv: the ratio of component i to component iii in the compounded material is from 2.2 to 3.2, and the MVR of the compounded material is from 8 to 50 cm3/10 min in accordance with DIN EN 1133-1 of Mar. 1, 2012 (190° C., 2.16 kg).

    Aliphatic Polyester
    7.
    发明申请
    Aliphatic Polyester 有权
    脂肪族聚酯

    公开(公告)号:US20130214455A1

    公开(公告)日:2013-08-22

    申请号:US13848961

    申请日:2013-03-22

    Applicant: BASF SE

    Abstract: A copolymer obtained by condensation of i) 90 to 99.5 mol %, based on components i) to ii), of succinic acid; ii) 0.5 to 10 mol %, based on components i) to ii), of azelaic acid, sebacic acid and/or brassylic acid; iii) 98 to 102 mol %, based on components i) to ii), of 1,3-propanediol or 1,4 butanediol, and iv) 0.01% to 5% by weight, based on the total weight of the components i) to ii), of a chain extender and/or crosslinker selected from the group consisting of an at least trihydric alcohol or an at least tribasic carboxylic acid.

    Abstract translation: 通过i)90至99.5mol%的缩合得到的共聚物,基于组分i)至ii)琥珀酸; ii)基于组分i)至ii)的0.5至10mol%的壬二酸,癸二酸和/或丁酸; iii)基于组分i)至ii)的98至102摩尔%的1,3-丙二醇或1,4-丁二醇,和iv)基于组分i)的总重量为0.01重量%至5重量% 至ii),选自至少三元醇或至少三元羧酸的扩链剂和/或交联剂。

    Method for purifying an aliphatic polyester

    公开(公告)号:US11319407B2

    公开(公告)日:2022-05-03

    申请号:US16765857

    申请日:2018-11-15

    Applicant: BASF SE

    Abstract: The present invention relates to a continuous process for purifying a chain-extended aliphatic polyester constructed from aliphatic dicarboxylic acids and aliphatic diols in a degassing apparatus, wherein the crude polyester is degassed for 3 to 30 minutes at a pressure of 0.01 to 5 mbar in the presence of 1% to 7% by weight, based on the total weight of the crude polyester, of an entraining agent.

    Nonwoven fabric
    9.
    发明授权

    公开(公告)号:US12134846B2

    公开(公告)日:2024-11-05

    申请号:US17436267

    申请日:2020-03-05

    Applicant: BASF SE

    Abstract: The present invention relates to a nonwoven fabric comprising continuous spunbonded bicomponent fibers which consist of: 0 to 95% by weight of an aromatic polyester (A) in a core; to 50% by weight of a polyester blend (B) containing a) 65 to 95% of an aromatic polyester (BA) and b) 5 to 35% by weight of an aliphatic-aromatic polyester (BB) with a glass temperature below 0° C. in a sheath surrounding the core; and 0 to 5% by weight of at least one additive (C); wherein the % by weight are based in each case on the total weight of the components (A) and (B) and optionally (C); and wherein the aromatic polyesters (A) and (BA) are selected from the group consisting of poly(ethylene terephthalate) and poly(butylene terephthalate).

    Biodegradable polyester mixture
    10.
    发明授权

    公开(公告)号:US10526461B2

    公开(公告)日:2020-01-07

    申请号:US14441233

    申请日:2013-11-08

    Applicant: BASF SE

    Abstract: The invention relates to a biodegradable polyester mixture comprising: i) 71 to 91 wt %, based on the total weight of components i and ii, of a polyester I constructed from: a-1) 40 to 70 wt %, based on the total weight of components a and b, of an aliphatic C9-C16 dicarboxylic acid or of a C9-C16 dicarboxylic acid derivative; b-1) 30 to 60 wt %, based on the total weight of components a and b, of terephthalic acid or of a terephthalic acid derivative; c-1) 98 to 100 wt %, based on the total weight of components a and b, of a C3-C6 diol; d-1) 0 to 2 wt %, based on the total weight of components a and b, of an at least trihydric alcohol; e-1) 0 to 2 wt %, based on the total weight of components a to e, of a chain extender, and ii) 9 to 29 wt %, based on the total weight of components i and ii, of a polyester II constructed from: a-2) 40 to 70 wt %, based on the total weight of components a and b, of an aliphatic C4-C6 dicarboxylic acid or of a C4-C6 dicarboxylic acid derivative; b-2) 30 to 60 wt %, based on the total weight of components a and b, of terephthalic acid or of a terephthalic acid derivative; c-2) 98 to 100 wt %, based on the total weight of components a and b, of a C3-C6 diol; d-2) 0 to 2 wt %, based on the total weight of components a and b, of an at least trihydric alcohol; e-2) 0 to 2 wt %, based on the total weight of components a to e, of a chain extender.

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