Stable melamine polyol dispersions, a process for their manufacture and
for the preparation of foamed polyurethane plastics
    2.
    发明授权
    Stable melamine polyol dispersions, a process for their manufacture and for the preparation of foamed polyurethane plastics 失效
    稳定的三聚氰胺多元醇分散体,其制造方法和泡沫聚氨酯塑料的制备

    公开(公告)号:US4293657A

    公开(公告)日:1981-10-06

    申请号:US166636

    申请日:1980-07-07

    IPC分类号: C08J9/00 C08K5/3492 C08G18/14

    摘要: Stable melamine-polyoxyalkylene polyether polyol dispersions are prepared by the in situ reduction of melamine particles wherein 90 percent of the melamine particles have a particle size of less than 10 microns. Stabilizers for the melamine-polyol dispersion are selected from the group consisting of(a) silicic acids and silicates,(b) salts of perfluorinated alkyl carboxylic acids having 4 to 20 carbon atoms, salts of alkyl sulfonic acids and perfluorinated alkylsulfonic acids having 4 to 20 carbon atoms and polyperfluoroether polyols having molecular weights of 300 to 6000, and(c) salts of fatty alcohol sulfates having 6 to 30 carbon atoms.These dispersions are useful for the preparation of polyurethane foams.

    摘要翻译: 通过原位还原三聚氰胺颗粒制备稳定的三聚氰胺 - 聚氧化烯聚醚多元醇分散体,其中90%的三聚氰胺颗粒具有小于10微米的粒度。 三聚氰胺 - 多元醇分散体的稳定剂选自(a)硅酸和硅酸盐,(b)具有4至20个碳原子的全氟化烷基羧酸盐,烷基磺酸盐和全氟烷基磺酸的盐,其具有4至 20个碳原子和分子量为300〜6000的聚全氟醚多元醇,(c)碳原子数为6〜30的脂肪醇硫酸盐。 这些分散体可用于制备聚氨酯泡沫体。

    Process for the manufacture of reinforced polyurethane foams
    3.
    发明授权
    Process for the manufacture of reinforced polyurethane foams 失效
    制造增强聚氨酯泡沫的方法

    公开(公告)号:US4243755A

    公开(公告)日:1981-01-06

    申请号:US93375

    申请日:1979-11-13

    IPC分类号: C08J9/00 C08G18/14

    摘要: The invention relates to a process for the manufacture of reinforced polyurethane foams based on the reaction of organic polyisocyanates and polyols in the presence of filler dispersions. These dispersions are prepared by in situ crushing of the filler in the polyisocyanate or polyol to a particle size of less than 7 microns.

    摘要翻译: 本发明涉及一种基于有机多异氰酸酯和多元醇在填料分散体存在下的反应来制造增强聚氨酯泡沫体的方法。 这些分散体通过将多异氰酸酯或多元醇中的填料原位粉碎至小于7微米的粒度来制备。

    Fiber-reinforced materials
    5.
    发明授权
    Fiber-reinforced materials 失效
    纤维增强材料

    公开(公告)号:US4764397A

    公开(公告)日:1988-08-16

    申请号:US814917

    申请日:1985-12-30

    摘要: Fiber-reinforced materials are produced by a process in which a heat-stable thermoplastic aromatic polyether A containing reactive groups, preferably nitrile groups and/or sulfur bridges and/or arylthio or alkylthio groups, if required together with a heat-stable thermoplastic polymer B which does not contain any reactive groups, is applied onto reinforcing fibers, the resulting semi-finished product is shaped, and the plastic matrix in the molding obtained is crosslinked so that there is virturally no increase in its glass transition temperature although the amount of soluble material is decreased to less than 60%, determined by extraction in boiling dichloromethane for one hour.

    摘要翻译: 纤维增强材料是通过一种方法制备的,其中如果需要的话,含有反应性基团,优选腈基和/或硫桥和/或芳硫基或烷硫基的热稳定的热塑性芳族聚醚A与热稳定的热塑性聚合物B 将不含任何反应性基团的化合物施加到增强纤维上,所得到的半成品成型,并且所获得的模制品中的塑料基质被交联,使得其玻璃化转变温度的实质上不会增加​​,尽管可溶的量 材料通过在沸腾的二氯甲烷中萃取1小时而降低到小于60%。

    Fiber-reinforced materials
    6.
    发明授权
    Fiber-reinforced materials 失效
    纤维增强材料

    公开(公告)号:US4649080A

    公开(公告)日:1987-03-10

    申请号:US731719

    申请日:1985-05-08

    摘要: Fiber-reinforced materials are produced by a process in which a heat-stable thermoplastic aromatic polyether A which contains reactive groups, preferably nitrile groups and/or sulfur bridges and/or arylthio or alkylthio groups, if necessary together with a heat-stable thermoplastic polymer B which does not contain any reactive groups, is applied onto reinforcing fibers, the resulting semi-finished product is molded and, in the molding obtained, the plastic matrix is crosslinked so that the glass transition temperature increases and it becomes virtually insoluble.

    摘要翻译: 纤维增强材料是通过一种方法制备的,其中如果必要,含有反应性基团,优选腈基和/或硫桥基和/或芳硫基或烷硫基的热稳定的热塑性芳族聚醚A与热稳定的热塑性聚合物 不含任何反应性基团的B被施加到增强纤维上,所得到的半成品被模塑,并且在获得的模制品中,塑料基质被交联,使得玻璃化转变温度升高并且几乎不溶解。

    Production of fiber-reinforced materials
    7.
    发明授权
    Production of fiber-reinforced materials 失效
    生产纤维增强材料

    公开(公告)号:US4590104A

    公开(公告)日:1986-05-20

    申请号:US701535

    申请日:1985-02-14

    IPC分类号: D06M15/39 C08J5/24 B05D3/02

    CPC分类号: C08J5/24 C08J2381/02

    摘要: Fiber-reinforced materials are produced by impregnating continuous filaments with a melt of a polyarylene sulfide ketone, preferably one having a reduced viscosity .eta..sub.red of from 0.1 to 0.5 [dl.g.sup.-1 ], shaping the resulting semi-finished product to give a finished article and heating the latter for not less than 15 minutes at above the crystallite melting point of the polyarylene sulfide ketone, the latter undergoing crosslinking and its glass transition temperature Tg increasing by not less than 5.degree. C.

    摘要翻译: 通过用聚亚芳基硫醚酮的熔体浸渍连续长丝来制造纤维增强材料,优选具有0.1至0.5 [dl.g-1]的具有降低的粘度等级的熔融物,使得到的半成品成形 在聚亚芳基硫醚酮的微晶熔点以上,后者进行交联并且其玻璃化转变温度Tg增加不低于5℃,加热后者不少于15分钟。

    Process for the preparation of molded parts of polyurethane or
polyurethane-polyurea employing monocyclic amidines
    8.
    发明授权
    Process for the preparation of molded parts of polyurethane or polyurethane-polyurea employing monocyclic amidines 失效
    使用单环脒制备聚氨酯或聚氨酯 - 聚脲的模塑部件的方法

    公开(公告)号:US4469653A

    公开(公告)日:1984-09-04

    申请号:US393052

    申请日:1982-06-28

    摘要: The invention relates to a process for the preparation of polyurethane or polyurethane-polyurea molded parts by reacting organic polyisocyanates, polyols and chain extenders in the presence of monocyclic amidines having the formula ##STR1## as catalyst or catalyst mixtures of monocyclic amidines having the formula (I) and (a) tertiary amines, (b) metal salts having the formula Me X.sub.n Y.sub.m (II), and/or (c) optionally-substituted aliphatic carboxylic acids. R.sup.1 and R.sup.2, Me, X, Y, n, and m are defined herein.

    摘要翻译: 本发明涉及通过有机多异氰酸酯,多元醇和扩链剂在具有式(IMAGE)的单环脒存在下反应制备聚氨酯或聚氨酯 - 聚脲模制部件的方法,作为催化剂或具有下式的单环脒催化剂混合物 I)和(a)叔胺,(b)具有式Me XnYm(II)的金属盐和/或(c)任选取代的脂族羧酸。 R1和R2,Me,X,Y,n和m如本文所定义。

    Vinyl ester resins
    9.
    发明授权
    Vinyl ester resins 失效
    乙烯基酯树脂

    公开(公告)号:US4996270A

    公开(公告)日:1991-02-26

    申请号:US267714

    申请日:1988-11-04

    IPC分类号: C08G59/06 C08G59/16

    CPC分类号: C08G59/1472 C08G59/063

    摘要: Vinyl ester resins possess unsaturated terminal groups and are based on polyphenols of the formulaC(ArOH).sub.m (R').sub.p --(CR.sub.2).sub.n --C(ArOH).sub.m (R").sub.p (I)or(ArOH)--CH.sub.2 --Ar--CH.sub.2 --[(ArOH)--CH.sub.2 --Ar--CH.sub.2 ].sub.n --(ArOH) (II)wherein R, R' and R" may be identical or different and are each H or CH.sub.3, Ar is phenylene which is unsubstituted or substituted by methyl or methoxy, n is 0, 1 or 2, m is 1 or 2 and p is 3-m.

    摘要翻译: 乙烯基酯树脂具有不饱和端基,并且基于式C(ArOH)m(R')p(CR 2)n C(ArOH)m(R“')p(I)或(ArOH)-CH 2 - Ar-CH 2 - [(ArOH)-CH 2 Ar-CH 2] n - (ArOH)(II)其中R,R'和R“可以相同或不同,各自为H或CH 3,Ar为亚苯基, 或被甲基或甲氧基取代,n为0,1或2,m为1或2,p为3-m。

    Process for the preparation of elastomeric molded parts having urethane
or urethane and urea groups with improved light fastness and weather
resistance
    10.
    发明授权
    Process for the preparation of elastomeric molded parts having urethane or urethane and urea groups with improved light fastness and weather resistance 失效
    具有氨基甲酸乙酯或氨基甲酸乙酯和脲基的弹性体模塑部件的制备方法具有改善的耐光性和耐候性

    公开(公告)号:US4590219A

    公开(公告)日:1986-05-20

    申请号:US488038

    申请日:1983-04-22

    摘要: The invention relates to a process for the preparation of elastomeric molded parts having urethane or urethane and urea linkages which comprises reacting(a) an organic polyisocyanate,(b) a polyhydroxyl compound selected from the group consisting of(i) polyester polyols with molecular weights of 1000 to 3000 and hydroxyl numbers of 170 to 35 produced by polycondensation of organic dicarboxylic acids and a polyol mixture of at least 3 polyols;(ii) polyether polyols having terminal ester groups, molecular weights of 1000 to 8000 and hydroxyl numbers of 170 to 15; and(iii) mixtures thereof;(c) a chain extenderwherein components (a) through (c) are processed according to reaction injection molding techniques in open or closed molds.The reaction is preferably carried out as a one-shot process and may also be carried out in the presence of blowing agents (d), auxiliaries (e), and additives (e).The non-cellular and/or microcellular elastomeric molded parts produced according to the method of this invention are particularly well suited for use in the automobile industry, for example, as bumper covers and body parts such as fenders, spoilers, wheel well expansions as well as engineering housing parts and runners. The cellular foams are used, for example, as shoe soles, armrests, headrests, safety coverings in the passenger compartment in automobiles as well as motorcycle and bicycle seats, seat cushions and cover layers in composite foams.

    摘要翻译: 本发明涉及一种制备具有氨基甲酸酯或氨基甲酸酯和脲键的弹性体模塑部件的方法,其包括使(a)有机多异氰酸酯,(b)选自(i)聚酯多元醇与分子量的多羟基化合物 通过有机二羧酸和至少3种多元醇的多元醇混合物的缩聚产生的1000至3000的羟基数和170至35; (ii)具有末端酯基的聚醚多元醇,分子量为1000至8000,羟值为170至15; 和(iii)其混合物; (c)扩链剂,其中组分(a)至(c)根据在开模或封闭模具中的反应注塑技术进行加工。 反应优选作为一步法进行,也可以在发泡剂(d),助剂(e)和添加剂(e)的存在下进行。 根据本发明的方法生产的非细胞和/或微细胞弹性模制零件特别适用于汽车工业,例如保险杠盖和身体部件如挡泥板,扰流板,车轮井膨胀以及 作为工程住房部件和跑步者。 蜂窝状泡沫体例如用作鞋底,扶手,头枕,汽车乘客室中的安全覆盖物,以及摩托车和自行车座椅,座垫和复合泡沫中的覆盖层。