انتاج مستمر لعديد اميدات تساهمية بالاعتماد على لاكتام (1) ، ثنائي امين (2) وحمض ثنائي كربوكسليك (3)

    公开(公告)号:SA737B1

    公开(公告)日:2006-04-26

    申请号:SA00210561

    申请日:2000-11-22

    Applicant: BASF AG

    Abstract: الملخص؛يتعلقالإختراعالحاليبعمليةلإنتاجمستمر copolyamides تعتمدعلى lactam (١)، diamine (٢) و dicarboxylic acid (٣) نشمل: تفاعلخليط (٤) يشمل diamine (٢)، dicarboxylic acid (٣) وماءفيمنطقةتفاعل reaction zone أولىعندضغطفيحدودمن 1,3*510 إلى 2,5*510بسكالفيمنطقةالدخولمنمنطقةالتفاعل .reaction zone وعنددرجةحرارةفوقنقطةإنصهار polymer (٥) لتحول،علىأساسالكمياتالمولاريةمن diamine (٢) dicarboxylic acidو (٣)،علىالأقل 80% لتشكيل polymer (5)،تفاعلخليط (٦) يشمل lactam (١) وماءفيمنطقةتفاعل reaction zone ثانيةعندضغطفيحدودمن 5*510إلى 40*510 بسكالوعنددرجةحرارةفوقنقطةإنصهار polymer (٧) لتحول،علىأساسالكميةالمولاريةمن lactam (١)،علىالأقل 80% لتشكيل polymer (٧)،تفاعل polymer (5) polymerو (٧) معافيمنطقةتفاعل reactionzone ثالثةعندضغطفيحدودمن 1*510 إلى 1,5*510بسكالفيمنطقةالدخولمنمنطقةالتفاعل reaction zone عنددرجاتحرارةفوقنقطةإنصهار polymer (٨) لتشكيل polymer (٨)، polymer المنكور (٨) لهمحتوىمستخلصاتماءعند95 مئوية،علىأساس lactam (١)، diamine (٢) dicarboxylicacid (٣)،ليسأكثرمن 10% منالوزن،وإستخلاصpolymer (٨) معماءللحصولعلى .copolyamide

    طريقة استخلاص متواصلة للبولي اميد POLYAMIDE

    公开(公告)号:SA702B1

    公开(公告)日:2006-04-18

    申请号:SA98190809

    申请日:1998-11-25

    Applicant: BASF AG

    Abstract: الملخص: يتعلقهذاالإختراعبطريقةللإستخلاصالمتواصللجزيئاتالبوليأميد polyamide بإستخداممستخلصمعادالدورانفيعمودإستخلاصرأسيوالذييقسمإلىمنطقتينويشملمعالجةالبوليأميد polyamide بمستخلصمائيمكونمن 40 إلى %95 بالوزنإيبسيلونكابرولاكتمفيمنطقةأولىعنددرجةحرارةمقدارهامن٠ ٠١ إلى 140 م, ثمالتأثيربمعالجةلاحقةمعالماءفيمنقطةثانية. وقديستخلصالكابرولاكتم caprolactam بعدذلكبصورةتقليدية. وتمدالطريقةبإنتاجإقتصاديمنالبوليأميد polyamide لهمحتوىدايمرمنخفض.

    Biologically degradable polyesters
    204.
    发明专利

    公开(公告)号:CZ294780B6

    公开(公告)日:2005-03-16

    申请号:CZ95799

    申请日:1997-09-19

    Applicant: BASF AG

    Abstract: In the present invention, there are disclosed biologically degradable polyesters based on A/ 95 to 99.99 percent by mole of at least one polyester containing as monomeric building blocks a mixture of 20 to 95 percent by mole of at least one aliphatic or cycloaliphatic dicarboxylic acid or its ester-forming derivative and 5 to 80 percent by mole of at least one aromatic dicarboxylic acid or its ester-forming derivative, and at least one dihydroxy compound or at least one amino alcohol or their mixtures, and if need may be a compound containing two functional groups capable of reaction with acid, amino or hydroxyl end groups of polyester and B/ 0.01 to 5 percent by mole of a mixture comprising 45 to 80 percent by weight of at least one mononuclear isocyanurate or at least one compound that contains two functional groups and 13 to 25 percent by weight of at least one binuclear isocyanurate or at least one compound which contains three functional groups, 5 to 12 percent by weight of at least one trinuclear isocyanurate or at least one compound which contains four functional groups, and 2 to 18 percent by weight of at least one tetra- or higher-nuclear isocyanurate or mixtures of different isocyanurates or at least one compound containing four functional groups, whereby the above-indicated functional groups are capable of reacting with end groups of the polyester A.

    205.
    发明专利
    未知

    公开(公告)号:ES2202197T3

    公开(公告)日:2004-04-01

    申请号:ES00979562

    申请日:2000-11-15

    Applicant: BASF AG

    Abstract: A process for continuous production of copolyamides based on a lactam (I), a diamine (II) and a dicarboxylic acid (III) comprisesreacting a mixture (IV) comprising a diamine (II), a dicarboxylic acid (III) and water in a first reaction zone at a pressure in the range from 1.3*10 to 2.5*10 Pa in the entry zone of the reaction zone and at a temperature above the melting point of polymer (V) to a conversion, based on the molar amounts of diamine (II) and dicarboxylic acid (III), of at least 80% to form a polymer (V),reacting a mixture (VI) comprising lactam (I) and water in a second reaction zone at a pressure in the range from 5*10 to 40*10 Pa and at a temperature above the melting point of polymer (VII) to a conversion, based on the molar amount of lactam (I), of at least 80% to form a polymer (VII),then reacting polymer (V) and polymer (VII) with each other in a third reaction zone at a pressure in the range from 1*10 to 1.5*10 Pa in the entry zone of the reaction zone at temperatures above the melting point of polymer (VIII) to form a polymer (VIII), said polymer (VIII) having a 95° C. water extractables content, based on lactam (I), diamine (II) and dicarboxylic acid (III), of not more than 10% by weight, andthen extracting the polymer (VIII) with water to obtain the copolyamide.

    206.
    发明专利
    未知

    公开(公告)号:ES2187826T3

    公开(公告)日:2003-06-16

    申请号:ES97944794

    申请日:1997-08-26

    Applicant: BASF AG

    Abstract: A process for preparing a polyamide by reacting at least one aminonitrile with water comprises:(1) reacting at least one aminonitrile with water at a temperature from 100 to 360° C. and a pressure from 0.1 to 35x106 Pa to obtain a reaction mixture,(2) further reacting the reaction mixture at a temperature from 150 to 400° C. and a pressure which is lower than the pressure in step 1, the temperature and the pressure being selected so as to obtain a first gas phase and a first liquid or a first solid phase or a mixture of first solid and first liquid phase, and the first gas phase is separated from the first liquid or the first solid phase or from the mixture of first liquid and first solid phase, and(3) admixing the first liquid or the first solid phase or the mixture of first liquid and first solid phase with a gaseous or liquid phase comprising water at a temperature from 150 to 360° C. and a pressure from 0.1 to 30x106 Pa to obtain a product mixture.

    209.
    发明专利
    未知

    公开(公告)号:DK0809666T4

    公开(公告)日:2002-12-02

    申请号:DK96902980

    申请日:1996-02-03

    Applicant: BASF AG

    Abstract: PCT No. PCT/EP96/00458 Sec. 371 Date Aug. 14, 1997 Sec. 102(e) Date Aug. 14, 1997 PCT Filed Feb. 3, 1996 PCT Pub. No. WO96/25448 PCT Pub. Date Aug. 22, 1996Biodegradable polymers comprising a polyether ester P1 obtained by reacting a first mixture of 20-95 mol% of adipic acid or ester-forming derivatives thereof or mixtures thereof, 5-80 mol% of terephthalic acid or ester-forming derivatives thereof or mixtures thereof, and 0-5 mol% of a compound containing sulfonate groups, and a second mixture of 15-99.8 mol% of a dihydroxy compound selected from the group consisting of C2-C6-alkanediols and C5-C10-cycloalkanediols, 85-0.2 mol% of a dihydroxy compound IHO-[(CH2)n-O]m-H(n=2, 3 or 4, m=2-250) with 0-5 mol%, based on the first mixture, of a compound D having at least three groups capable of ester formation, and a bisoxazoline C1, their preparation and their use in the manufacture of biodegradable molding materials.

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