Process for strengthening geological formations
    2.
    发明授权
    Process for strengthening geological formations 失效
    加强地质构造的过程

    公开(公告)号:US4904125A

    公开(公告)日:1990-02-27

    申请号:US348849

    申请日:1989-05-08

    CPC分类号: C09K17/30 E21D9/002

    摘要: The present invention is directed to a process for the strengthening of geological formations in underground workings and mines by the introduction of reaction mixtures which react to form polyurethanes into the formations which are to be strengthened, the reaction mixtures being based on(a) a polyisocyanate component,(b) a polyol component and(c) an ester,the ester having a hydroxyl number of about 10 to 630 and an acid number of at most 10 and obtained from (i) an acid component having a carboxyl functionality of at least 1.5 and containing a polymerized fatty acid having at least 12 carbon atoms or mixtures thereof with unpolymerized saturated or unsaturated fatty acids having at least 12 carbon atoms and (ii) a polyol component containing at least one polyhydric alcohol, the ester being present in a positive amount of up to 5% by weight, based on the weight of component (b).

    摘要翻译: 本发明涉及一种通过引入反应混合物来加强地下工作和矿井中的地质构造的方法,所述反应混合物反应以形成聚氨酯至待加强的地层中,所述反应混合物基于(a)多异氰酸酯 组分,(b)多元醇组分和(c)酯,所述酯的羟值为约10至630,酸值至多为10,并且由(i)至少具有羧基官能度的酸组分 并且含有具有至少12个碳原子的聚合脂肪酸或其与具有至少12个碳原子的未聚合的饱和或不饱和脂肪酸的混合物,和(ii)含有至少一种多元醇的多元醇组分,所述酯存在于阳性 数量高达5%(重量),基于组分(b)的重量。

    Process for strengthening geological formations
    3.
    发明授权
    Process for strengthening geological formations 失效
    加强地质构造的过程

    公开(公告)号:US4792262A

    公开(公告)日:1988-12-20

    申请号:US898452

    申请日:1986-08-20

    CPC分类号: C09K8/5086 C09K17/30

    摘要: The present invention is directed to a process for strengthening geological formations in underground mining or other operations introducing into the formation which is to be strengthened mixtures of a polyisocyanate component (a) and a polyol component (b) which react together to form polyurethanes, characterized in that the polyol component (b) is based on mixtures of (i) organic polyhydroxyl compounds having hydroxyl numbers of about 100 to 600 and (ii) dihydric alcohols having a molecular weight of 62 to about 150, component (ii) being present in an amount of about 0.01 to 20% by weight, based on the total quantity of component (b).

    摘要翻译: 本发明涉及一种用于加强地下采矿或引入地层的其他操作中的地质构造的方法,该方法是强化多异氰酸酯组分(a)和一起反应形成聚氨酯的多元醇组分(b)的混合物,其特征在于 其中多元醇组分(b)基于(i)羟值为约100至600的有机多羟基化合物和(ii)分子量为62至约150的二元醇的混合物,组分(ii)存在于 相对于组分(b)的总量,其量为约0.01至20重量%。

    Process for strengthening geological formations
    4.
    发明授权
    Process for strengthening geological formations 失效
    加强地质构造的过程

    公开(公告)号:US4965292A

    公开(公告)日:1990-10-23

    申请号:US438903

    申请日:1989-11-17

    CPC分类号: E21D9/002 C08K5/549

    摘要: The present invention relates to a process for strengthening geological formations in underground mining or underground construction work by the introduction of reaction mixtures which react to form polyurethane plastics into the formations which are required to be strengthened, wherein the reaction mixtures are based on(a) a polyisocyanate component,(b) a polyol component and(c) at least one auxiliary agent or additive, characterized in that component (c) contains a cyclic polydimethylsiloxane in the molecular weight range of 222 to 740 and in a quantity of about 0.01 to 5.0% by weight, based on the total weight of components (a) and (b).

    摘要翻译: 本发明涉及通过引入反应混合物来加强地下采矿或地下施工工作中的地质构造的方法,所述反应混合物反应形成聚氨酯塑料至需要加强的地层中,其中反应混合物基于(a) 多异氰酸酯组分,(b)多元醇组分和(c)至少一种助剂或添加剂,其特征在于组分(c)含有分子量范围为222至740的环状聚二甲基硅氧烷,其量为约0.01至 5.0重量%,基于组分(a)和(b)的总重量。

    Mixtures leading to hard polyurethane foamed materials
    5.
    发明授权
    Mixtures leading to hard polyurethane foamed materials 失效
    导致硬质聚氨酯泡沫材料的混合物

    公开(公告)号:US5869546A

    公开(公告)日:1999-02-09

    申请号:US714157

    申请日:1996-09-20

    摘要: Mixtures leading to hard polyurethane foamed materials, which mixtures are preferably present in a pressure vessel, containa) prepolymers containing isocyanate groups, obtainable by the reaction of polyisocyanates containing isocyanurate groups and optionally urethane groups with compounds having at least two hydrogen atoms which are reactive to isocyanates and having a molecular weight of 62 to 10,000, wherein the content of monomeric polyisocyanate in the prepolymer is less than 2 weight %,b) auxiliary process materials and additives known in the art, andc) foaming agents having a boiling point less than 0.degree. C./760 mm Hg.

    摘要翻译: PCT No.PCT / EP95 / 01207 Sec。 371日期:1996年9月20日 102(e)1996年9月20日PCT PCT 1995年3月31日PCT公布。 公开号WO95 / 28430 日期1995年10月26日混合物优选存在于压力容器中的混合物包含a)含有异氰酸酯基团的预聚物,其可通过含有异氰脲酸酯基团的多异氰酸酯和任选的氨基甲酸酯基团与具有至少两个 与异氰酸酯反应并具有62至10,000的分子量的氢原子,其中预聚物中单体多异氰酸酯的含量小于2重量%,b)本领域已知的辅助工艺材料和添加剂,以及c)发泡剂 沸点小于0℃/ 760mm Hg。

    Process for the production of polyurethane plastics
    7.
    发明授权
    Process for the production of polyurethane plastics 失效
    聚氨酯塑料生产工艺

    公开(公告)号:US4331778A

    公开(公告)日:1982-05-25

    申请号:US102162

    申请日:1979-12-10

    IPC分类号: C08G18/00 C08G18/18 C08G18/14

    CPC分类号: C08G18/1833 C08G18/1808

    摘要: The present invention relates to a process for the production of polyurethane plastics by reacting compounds containing at least two isocyanate-reactive hydrogen atoms and having a molecular weight in the range of from 400 to 10,000, polyisocyanates and, optionally, chain extenders having a molecular weight of from 32 to 400, foam stabilizers, water and/or organic blowing agents in the presence of catalysts containing tertiary nitrogen. These catalysts are characterized in that mixtures of (a) one or more cross-linking catalysts corresponding to the following general formula: ##STR1## wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4 which may be the same or different, represent C.sub.1 -C.sub.5 -alkyl radicals, preferably CH.sub.3 -- or C.sub.2 H.sub.5 radicals,R' and R" represent hydrogen or the same or different C.sub.1 -C.sub.3 -alkyl radicals, preferably CH.sub.3 -- or C.sub.2 H.sub.5 -- radicals, andn represents an integer of from 1 to 10, preferably from 4 to 8,(b) blowing catalysts corresponding to the following general formula: ##STR2## wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4, are as defined above andX represents oxygen or ##STR3## where R'" represents a C.sub.1 -C.sub.5 alkyl radical, preferably a CH.sub.3 -- or C.sub.2 H.sub.5 -- radical,p represents an integer of from 2 to 4 andr represents an integer of from 1 to 3, andm and o which may be the same or different, represent numbers ranging from 1 to 10, preferably from 1 to 3 in value.

    摘要翻译: 本发明涉及通过使包含至少两个异氰酸酯反应性氢原子的化合物与分子量范围为400至10,000的多异氰酸酯和任选的具有分子量的扩链剂来生产聚氨酯塑料的方法 的32至400,泡沫稳定剂,水和/或有机发泡剂在含有叔氮的催化剂存在下。 这些催化剂的特征在于:(a)一种或多种交联催化剂的混合物,其对应于以下通式:其中R1,R2,R3和R4可以相同或不同,表示C1-C5-烷基 自由基,优选CH 3 - 或C 2 H 5基团,R'和R“表示氢或相同或不同的C 1 -C 3 - 烷基,优选CH 3 - 或C 2 H 5 - 基,n表示1至10的整数,优选 4至8,(b)对应于以下通式的发泡催化剂:其中R 1,R 2,R 3和R 4如上所定义,X代表氧或者其中R“'表示C1-C5 烷基,优选CH 3 - 或C 2 H 5 - 基,p表示2〜4的整数,r表示1〜3的整数,m和o可以相同或不同,表示1〜 10,优选为1〜3。

    Process for the production of compression-molded materials containing
polyisocyanate binders using latent, heat activatable catalysts
    9.
    发明授权
    Process for the production of compression-molded materials containing polyisocyanate binders using latent, heat activatable catalysts 失效
    使用潜热,可热活化的催化剂生产含有多异氰酸酯粘合剂的压塑材料的方法

    公开(公告)号:US4608407A

    公开(公告)日:1986-08-26

    申请号:US632341

    申请日:1984-07-19

    CPC分类号: C08G18/1875 C08L97/02

    摘要: The present invention is directed to a process for the production of compression-molded materials by the compression molding lignocellulose-containing materials mixed and/or impregnated with polyisocyanates as binder in the presence of catalysts, the improvement wherein the catalysts used are latent, heat-activatable catalysts based on ammonium salts of the type which can be obtained by reacting(i) monofunctional or polyfunctional, primary, secondary and/or tertiary amines with(ii) alkyl esters of acids of phosphorus.or secondary and/or tertiary amines (i) withacidic alkylester of acids of phosporous (ii) under neutralization in substantially equivalent quantities.

    摘要翻译: 本发明涉及一种通过在催化剂存在下将含有多异氰酸酯作为粘合剂混合和/或浸渍的含有木质素纤维素的压缩材料生产压缩成型材料的方法,其中使用的催化剂是潜在的, 可以通过(i)单官能或多官能,伯,仲和/或叔胺与(ii)磷酸的烷基酯反应获得的类型的铵盐的可活化催化剂。 或二级和/或叔胺(i)与酸的酸性烷基酯(ii)在中和下基本相同的量。