Preparation of rubber-modified molding materials from reaction mixtures
containing derivatives of acrylamides or of methacrylamides
    21.
    发明授权
    Preparation of rubber-modified molding materials from reaction mixtures containing derivatives of acrylamides or of methacrylamides 失效
    由含有丙烯酰胺或甲基丙烯酰胺衍生物的反应混合物制备橡胶改性的成型材料

    公开(公告)号:US5886105A

    公开(公告)日:1999-03-23

    申请号:US836318

    申请日:1997-05-12

    CPC分类号: C08F265/04 C08L51/06

    摘要: In the preparation of a rubber-modified molding material, in a first stage, a first mixture (A) contains at least one alkyl acrylate or methacrylate (a) of the formula (I) ##STR1## where R.sup.1 is hydrogen or methyl and R.sup.2 is alkyl of 1 to 32 carbon atoms, a compound (b) of the formula (II) ##STR2## where R.sup.3 is hydrogen or methyl, R.sup.4 is hydrogen or alkyl of 1 to 8 carbon atoms, R.sup.5 is hydrogen or methyl and R.sup.6 is hydrogen or alkyl of 1 to 10 carbon atoms, preferably hydrogen, and, if required, a first monomer (c) or a plurality thereof is polymerized with free radicals to give a rubber (B),in a second stage, the resulting rubber (B) is mixed with a second monomer (d) or with a plurality thereof, preferably dissolved or swollen therein, to form a second mixture (C), andin a third stage, the second mixture (C) formed by mixing is polymerized with free radicals to give the rubber-modified molding material (D).

    摘要翻译: PCT No.PCT / EP95 / 04477 371日期1997年5月12日 102(e)日期1997年5月12日PCT提交1995年11月14日PCT公布。 出版物WO96 / 15168 日期1996年5月23日在橡胶改性成型材料的制备中,在第一阶段中,第一混合物(A)含有至少一种式(I)的丙烯酸烷基酯或甲基丙烯酸烷基酯(a)(I)其中 R1是氢或甲基,R2是1至32个碳原子的烷基,式(II)的化合物(b)R4是氢或1至8个碳原子的烷基,R5是氢或甲基,R6是氢或烷基 1至10个碳原子,优选为氢,如果需要,第一单体(c)或其多个与自由基聚合以得到橡胶(B),在第二阶段中,所得橡胶(B)为 与第二单体(d)或其多个混合,优选在其中溶解或溶胀以形成第二混合物(C),并且在第三阶段中,通过混合形成的第二混合物(C)与自由基聚合, 得到橡胶改性成型材料(D)。

    Low temperature impact resistant, easily flowing, thermoplastic
polyurethane elastomer compositions, a process for their preparation
and their use
    23.
    发明授权
    Low temperature impact resistant, easily flowing, thermoplastic polyurethane elastomer compositions, a process for their preparation and their use 失效
    耐低温冲击,易流动,热塑性聚氨酯弹性体组合物,其制备方法及其用途

    公开(公告)号:US5331044A

    公开(公告)日:1994-07-19

    申请号:US477034

    申请日:1990-02-07

    CPC分类号: C08K7/04 C08L75/04

    摘要: The present invention deals with low temperature impact resistant, easily flowing, thermoplastic polyurethane elastomer compositions, comprising:A) 5-95 parts by weight of at least one thermoplastic polyurethane elastomer (A) having a Shore A hardness less hah 95; andB) 95-5 parts by weight of at least one thermoplastic polyurethane elastomer (B) having a Shore A hardness greater than 98, whereby the parts by weight of (A) and (B) total 100 parts by weight; andC) 0-60 weight percent based on the weight of (A) and (B) of a reinforcing filler.The products are prepared by melting together polyurethane elastomers (A) and (B) at temperatures of from 140.degree.-250.degree. C., preferably in an extruder, and are most preferred for the preparation of ski boots and injection molded articles for motor vehicles.

    摘要翻译: 本发明涉及低温耐冲击,易流动的热塑性聚氨酯弹性体组合物,其包含:A)5-95重量份的至少一种肖氏A硬度低于95的热塑性聚氨酯弹性体(A); 和B)95-5重量份的至少一种肖氏A硬度大于98的热塑性聚氨酯弹性体(B),其中(A)和(B)的重量份总共为100重量份; 和C)基于增强填料的(A)和(B)的重量为0-60重量%。 产物通过将聚氨酯弹性体(A)和(B)在140-250℃的温度,优选在挤出机中熔融在一起制备,并且最优选用于制备用于机动车辆的滑雪靴和注塑制品 。

    Transparent, steam sterilizable, noncellular polyurethane compositions a
process for their preparation and their use especially for medicinal
articles
    24.
    发明授权
    Transparent, steam sterilizable, noncellular polyurethane compositions a process for their preparation and their use especially for medicinal articles 失效
    透明的,蒸汽灭菌的,非细胞的聚氨酯组合物,它们的制备方法及其特别用于药物的用途

    公开(公告)号:US5045623A

    公开(公告)日:1991-09-03

    申请号:US564224

    申请日:1990-08-08

    摘要: The present invention relates to transparent essentially non-cellular polyurethane casting compositions that are sterilizable with superheated steam which are prepared by reacting:(A) modified diphenylmethane diisocyanates (A) liquid at 23.degree. C. obtained by reacting(A1) 4,4'-diphenylmethane diisocyanate or(A2) 2,4'-diphenylmethane diisocyanate or(A3) a diphenylmethane diisocyanate mixture with(A4) at least one polyoxypropylene polyol and/or(A5) at least one polyoxypropylene polyoxyethylene polyol containing 1 to 80 weight percent of ethylene oxide units whereby (A4) and (A5) have a functionality of 4 to 8 and a hydroxyl number of 150 to 500 and are obtained while using sucrose and/or preferably sorbitol as initiator molecules(A6) a mixture of (A4) and/or (A5) and at least one polyoxypropylene polyol and/or polyoxyethylene polyol initiated with glycerine and/or trimethylolpropane in a NCO:OH group ratio of 2.5:1 to 15:1 with(B) at least one compound having at least reactive hydrogen atoms which preferably contains no primary, secondary or tertiary amino groups in bonded form in the presence of or absence of(C) catalysts.The present invention also relates to a process for the preparation of polyurethane casting compositions and their use for medical-technical articles.

    摘要翻译: 本发明涉及通过使(A)在23℃下的改性二苯基甲烷二异氰酸酯(A)液体(A)通过使(A 1)4,4'二醇(A)反应得到的过热蒸汽灭菌的透明基本上非多孔聚氨酯流延组合物, (A2)2,4'-二苯基甲烷二异氰酸酯或(A3)二苯基甲烷二异氰酸酯混合物与(A4)至少一种聚氧丙烯多元醇和/或(A5)至少一种含有1至80重量% 环氧乙烷单元,其中(A4)和(A5)具有4至8的官能度和150至500的羟值,并且当使用蔗糖和/或优选山梨醇作为引发剂分子(A6)时,得到(A4)和 /或(A5)和至少一种以甘油和​​/或三羟甲基丙烷起始的至少一种聚氧丙烯多元醇和/或聚氧乙烯多元醇,其中(B)至少一种具有至少反应性的化合物 水 在(C)催化剂存在或不存在下优选不含有键合形式的伯,仲或叔氨基的原子原子。 本发明还涉及制备聚氨酯浇铸组合物的方法及其在医疗技术制品中的用途。

    Production of low-shrinkage nylon moldings
    25.
    发明授权
    Production of low-shrinkage nylon moldings 失效
    生产低收缩尼龙成型品

    公开(公告)号:US4590242A

    公开(公告)日:1986-05-20

    申请号:US513839

    申请日:1983-07-14

    CPC分类号: C08G69/18

    摘要: Low-shrinkage nylon moldings are produced by activated alkaline lactam polymerization, preferably using the reactive injection molding technique, by a process wherein the polymerization is carried out in the presence of from 5 to 80% by weight of a polymer P which1. is completely soluble in the lactam,2. separates out in the course of polymerization at a conversion of from 1 to 50%,3. is composed of one or more blocks which are compatible with polylactam and one or more blocks which are incompatible therewith, and preferably4. possesses functional groups which are incorporated into the growing polylactam chain.

    摘要翻译: 低收缩尼龙模制品通过活性碱性内酰胺聚合制备,优选使用反应性注射成型技术,其中聚合反应在5-80重量%聚合物P的存在下进行,聚合物P是完全 可溶于内酰胺,2.在聚合过程中以1至50%的转化率分离出来,3.由与多内酰胺相容的一个或多个嵌段和与其不相容的一个或多个嵌段组成,优选 4.具有并入生长的聚内酰胺链中的官能团。

    Laser-transparent PBT with organic additives
    27.
    发明授权
    Laser-transparent PBT with organic additives 有权
    具有有机添加剂的激光透明PBT

    公开(公告)号:US08889768B2

    公开(公告)日:2014-11-18

    申请号:US13157965

    申请日:2011-06-10

    CPC分类号: C08K5/0008 C08L67/02

    摘要: Use of thermoplastic molding compositions comprising, as essential components, A) a polyester, B) from 20 to 200 mmol/kg of polyester A) of at least one compound of the general formula (I) where respectively independently at any position -A1- is —NR—, —O—, —S—, —CH=A4- where R is H or C1-6-alkyl, A4 is N or CH A2 is COOX or OX, where X is Li, Na, K, Rb, Cs, Mg/2, Ca/2, Sr/2, Ba/2, Al/3 A3 is C1-6-alkyl, C6-12-aryl, O7-13-alkaryl, C7-13-aralkyl, O—C1-6-alkyl, O—C6-12-aryl, O—C7-13-alkaryl, O—C7-13-aralkyl, COOX′, OX′, SX′, SO3X′, where X′ is H or X, S—C1-6-alkyl, S—C6-12-aryl, NR2, halogen, NO2, n is an integer from 1 to 4, and m is an integer from 0 to 4−n, where m=1, if A3=NO2, with the proviso that the number of mmol is based on the group(s) COOX and OX and SX′ where X′═X, to the extent that these are present in the compound of the general formula (I), and also moreover C) from 0 to 230% by weight of further added substances, based on the weight of component A), for producing laser-transparent moldings of any type.

    摘要翻译: 使用热塑性模塑组合物,其包含A)聚酯,B)20-200mmol / kg聚酯A)至少一种通式(I)的化合物,其分别独立地在任何位置-A1- 是-NR - , - O - , - S - , - CH = A4-,其中R是H或C 1-6烷基,A4是N或CH 2是COOX或OX,其中X是Li,Na,K,Rb ,Cs,Mg / 2,Ca / 2,Sr / 2,Ba / 2,Al / 3 A3为C1-6烷基,C6-12-芳基,O7-13-烷芳基,C7-13-芳烷基, C 1-6 - 烷基,O-C 6-12 - 芳基,O-C 7-13烷基,O-C 7-13 - 芳烷基,COOX',O X',S X',SO 3 X',其中X'是H或X, S-C 1-6 - 烷基,S-C 6-12 - 芳基,NR 2,卤素,NO 2,n是1至4的整数,m是0至4-n的整数,其中m = 1,如果A3 = NO 2,条件是在通式(I)的化合物中存在的程度,基于COOX和OX和SX'的基团,其中X'= X,以及 另外C)0〜230重量%的进一步添加物质,基于w 八个组分A),用于生产任何类型的激光透明模制品。

    Methods For Producing Flameproofed Thermoplastic Moulding Compounds
    28.
    发明申请
    Methods For Producing Flameproofed Thermoplastic Moulding Compounds 失效
    用于生产隔爆热塑性模塑料的方法

    公开(公告)号:US20100305253A1

    公开(公告)日:2010-12-02

    申请号:US12680571

    申请日:2008-09-23

    IPC分类号: C09K21/14

    摘要: The invention relates to a process for the preparation of thermoplastic molding materials comprising A) from 39 to 99% by weight of at least one thermoplastic polymer, B) from 1 to 60% by weight of a flameproofing component comprising B1) an expandable graphite, and C) from 0 to 60% by weight of further additives, the percentages by weight being based in each case on the total weight of the components A) to C) and together giving 100% by weight, by mixing melts of the components A), B) and, if present, C) in a screw extruder, the screw extruder comprising at least one metering zone, one plasticating zone, one homogenization zone and one discharge zone in this sequence along the conveying direction, wherein the metering of the expandable graphite B1) into the screw extruder is effected at a point behind which—viewed in the conveying direction—the extruder screw comprises substantially no shearing elements, and thermoplastic molding materials which can be prepared by these processes, the use of said thermoplastic molding materials for the production of fibers, films, moldings and foams, and these fibers, films, moldings and foams themselves.

    摘要翻译: 本发明涉及一种制备热塑性模塑材料的方法,其包括A)39至99重量%的至少一种热塑性聚合物,B)1至60重量%的防火组分,其包含B1)可膨胀石墨, 和C)0至60重量%的其它添加剂,所述重量百分比基于每种情况下基于组分A)至C)的总重量,并且通过混合组分A的熔体并一起产生100重量% ),B),如果存在,C)在螺杆挤出机中,螺杆挤出机沿着输送方向按该顺序包括至少一个计量区,一个塑化区,一个均化区和一个排放区,其中计量 可膨胀石墨B1)进入螺杆挤出机是在输送方向观察的位置进行的 - 挤出机螺杆基本上不包含剪切元件,以及可以通过这些方法制备的热塑性模塑材料, 使用所述热塑性成型材料来生产纤维,薄膜,模制品和泡沫,以及这些纤维,薄膜,模制品和泡沫本身。

    Casting compounds for the production of mouldings with reduced surface
gloss
    30.
    发明授权
    Casting compounds for the production of mouldings with reduced surface gloss 失效
    用于生产具有降低表面光泽度的模制品的铸造化合物

    公开(公告)号:US6103829A

    公开(公告)日:2000-08-15

    申请号:US155902

    申请日:1998-10-08

    CPC分类号: C08L51/04

    摘要: Molding materials (F) which are suitable for the production of shaped articles having reduced surface gloss and are based on polymers or polymer blends (P), preferably ASA polymers and/or styrene/acrylonitrile copolymers, contain a sufficient amount of a dull graft copolymer (A) admixed as dulling agent, which was prepared by one-stage or multistage graft copolymerization of monomers forming the hard shell onto an elastomeric acrylate polymer, the graft copolymerization being carried out to a conversion of more than 15% by thermal or free radical mass or solution polymerization.

    摘要翻译: PCT No.PCT / EP97 / 01875 Sec。 371日期:1998年10月8日 102(e)日期1998年10月8日PCT 1997年4月15日PCT PCT。 第WO97 / 39062号公报 日期1997年10月23日适用于生产具有降低的表面光泽并且基于聚合物或聚合物共混物(P),优选ASA聚合物和/或苯乙烯/丙烯腈共聚物的成型制品的模塑材料(F)含有足够的量 通过将形成硬壳的单体的一步或多步接枝共聚合制备在弹性体丙烯酸酯聚合物上而制备的作为钝化剂的无色接枝共聚物(A),其接枝共聚进行至多于15% 通过热或自由基质量或溶液聚合。