ELEMENTOS COMPUESTOS QUE CONTIENEN PRODUCTOS DE POLIADICION DE POLIISOCIANATO.

    公开(公告)号:ES2373094T3

    公开(公告)日:2012-01-31

    申请号:ES00925122

    申请日:2000-03-17

    Applicant: BASF SE

    Abstract: Elementos compuestos que presentan la siguiente estructura laminar: (i) 2 a 20 mm de metal, (ii) 10 a 300 mm de productos de poliadición de poliisocianato, obtenibles mediante reacción de (a) isocianatos con (b) compuestos reactivos frente a isocianatos, en presencia de un 0,1 a un 50 % en volumen, referido al volumen de productos de poliadición de poliisocianato, de al menos un gas (c), así como, en caso dado, (d) catalizadores y/o (e) substancias auxiliares y/o aditivos, (iii) 2 a 20 mm de metal, caracterizados porque el gas (c) es un compuesto que es gaseoso a una temperatura de 25ºC y una presión de 1 bar, y porque el gas (c) se mezcla con una mezcla de reacción que contiene los componentes (a) isocianato, (b) compuestos reactivos frente a isocianato, y en caso dado (d) catalizadores y/o (e) substancias auxiliares y/o aditivos, y/o los componentes aislados (a) isocianato, (b) compuestos reactivos frente a isocianato y/o el componente (A), un combinación de componentes (b), compuestos reactivos frente a isocianato, en caso dado catalizadores (d) y/o substancias auxiliares y/o aditivo(s), de modo que las burbujas de gas de (c) en el componente líquido habitual presentan un tamaño de 0,0001 a 10 mm.

    4.
    发明专利
    未知

    公开(公告)号:DK1093410T3

    公开(公告)日:2008-06-23

    申请号:DK99926375

    申请日:1999-05-22

    Applicant: BASF SE

    Abstract: The invention relates to composite elements with the following layer structure: (i) 2-20mm metal, (ii) 10-100 mm compact polyisocyanate polyaddition products obtained by reacting (a) isocyanates with (b) compounds that are reactive with respect to isocyanates, optionally in the presence of (c) catalysts and/or (d) auxiliary agents and/or additives, (iii) 2-20mm metal, whereby an elasticity module of > 275 MPa exhibits in the temperature range -45 to +50 DEG C an adhesion of > 4 MPa to (i) and (iii), an extension of > 30 % in the temperature range -45 to +50 DEG C; a tensile strength of > 20 MPa and a compressive strength of > 20 MPa.

    8.
    发明专利
    未知

    公开(公告)号:AT391140T

    公开(公告)日:2008-04-15

    申请号:AT02790402

    申请日:2002-11-19

    Applicant: BASF SE

    Abstract: The invention relates to a method for producing prepolymers containing isocyanate groups and urethane groups. The inventive method comprises the following steps a) at least one polyisocyanate having a stoichiometric deficit of at least one t compound is reacted with at least two hydrogen atoms reacting with isocyanate groups, and b) the reaction product from step a) is distilled by means of a molecular evaporator.

    10.
    发明专利
    未知

    公开(公告)号:DE59914710D1

    公开(公告)日:2008-05-08

    申请号:DE59914710

    申请日:1999-05-22

    Applicant: BASF SE

    Abstract: The invention relates to composite elements with the following layer structure: (i) 2-20mm metal, (ii) 10-100 mm compact polyisocyanate polyaddition products obtained by reacting (a) isocyanates with (b) compounds that are reactive with respect to isocyanates, optionally in the presence of (c) catalysts and/or (d) auxiliary agents and/or additives, (iii) 2-20mm metal, whereby an elasticity module of > 275 MPa exhibits in the temperature range -45 to +50 DEG C an adhesion of > 4 MPa to (i) and (iii), an extension of > 30 % in the temperature range -45 to +50 DEG C; a tensile strength of > 20 MPa and a compressive strength of > 20 MPa.

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