2.
    发明专利
    未知

    公开(公告)号:NO309276B1

    公开(公告)日:2001-01-08

    申请号:NO951083

    申请日:1995-03-21

    Abstract: Polymer composition comprising a propylene polymer matrix containing (percentages by weight with respect to the total composition): A) 60-90% of one or more heavy mineral fillers, the specific weight of which is or are greater than or equal to 3; and B) 0.1-4% of a compatibilizer for the filler(s); where said compositions has a MFRL ranging from 1 to 10 g/10 minutes, an elongation at break ranging from 1.5 to 100%, and flexural modulus ranging from 3,000 to 10,000 Mpa.

    PROCEDIMIENTO PARA REPARAR RECUBRIMIENTOS PLASTICOS DE TUBOS METALICOS

    公开(公告)号:PE6199A1

    公开(公告)日:1999-02-22

    申请号:PE00107897

    申请日:1997-11-28

    Abstract: QUE COMPRENDE: A) APLICACION DE UNA PANTALLA PROTECTORA SOBRE LA PARTE METALICA EXPUESTA A SER RECUBIERTA DEL TUBO, LA QUE INCLUYE UNO O MAS COMPONENTES CON DOS ELEMENTOS ESPACIADORES OPUESTOS ENTRE SI QUE SOBRESALEN Y SE UBICAN EN LA PERIFERIA DE LA SUPERFICIE INTERIOR DE LA PANTALLA, UNO DE LOS CUALES ES PUESTO EN CONTACTO CON EL RECUBRIMIENTO Y EL OTRO CON LA PARTE METALICA EXPUESTA; B) APLICACION OPCIONAL DE UNA SOLUCION DE CROMATO ACUOSA SOBRE LA PARTE METALICA EXPUESTA CALENTADA PREVIAMENTE; C) CALENTAMIENTO DE LA PARTE METALICA A UNA TEMPERATURA ENTRE 170�C Y 250�C; D) APLICACION OPCIONAL DE UN IMPRIMADOR EPOXI O UNA MEZCLA DE ESTE CON UN MATERIAL ADHESIVO DE POLIOLEFINA SOBRE LA PARTE METALICA EXPUESTA, TENIENDO ESTE MATERIAL UNA COMPOSICION EN PESO DE: 1) 30% A 94% DE POLIPROPILENO O POLIETILENO O DE UN COPOLIMERO ALEATORIO CRISTALINO, 2) 0% A 70% DE UN POLIMERO ELASTOMERO DE ETILENO/PROPILENO O ETILENO/1-BUTENO, 3) 0,5% A 10% DE POLIPROPILENO O POLIETILENO MODIFICADO, 4) 0% A 0,5% DE AGENTE NUCLEANTE, Y 5) 0% A 10% DE DIOXIDO DE TITANIO; E) REMOCION DE LA PANTALLA PROTECTORA; Y F) APLICACION DE UNA CAPA DE MATERIAL ADHESIVO DE POLIOLEFINA, CON UNA COMPOSICION SIMILAR A LA EXPUESTA EN (D), PUDIENDO OMITIRSE ESTE PASO EN CASO DE APLICARSE LA MEZCLA DE IMPRIMADOR EPOXI CON EL MATERIAL ADHESIVO, DEL PASO (D)

    9.
    发明专利
    未知

    公开(公告)号:DE69312578T2

    公开(公告)日:1998-01-02

    申请号:DE69312578

    申请日:1993-05-28

    Abstract: Disclosed are functionalized polyolefins prepared by mixing a polyolefin with a concentrate and extruding the resulting blend, wherein said concentrate is in the form of olefin polymer particles coated with a mixture of additives comprising: A) from 0.05 to 30% by weight, based on the total weight of the concentrate, of one or more nonpolymerizable polar vinyl monomers; B) from 0.05 to 30% in moles, with respect to (A), of a free radical generating initiator which is not active at temperatures lower than or equal to 70 DEG C, and optionally, C) from 0.1 to 5% by weight, based on the total weight of the concentrate, of a coating substance.

    10.
    发明专利
    未知

    公开(公告)号:NO301426B1

    公开(公告)日:1997-10-27

    申请号:NO931934

    申请日:1993-05-27

    Abstract: Disclosed are functionalized polyolefins prepared by mixing a polyolefin with a concentrate and extruding the resulting blend, wherein said concentrate is in the form of olefin polymer particles coated with a mixture of additives comprising: A) from 0.05 to 30% by weight, based on the total weight of the concentrate, of one or more nonpolymerizable polar vinyl monomers; B) from 0.05 to 30% in moles, with respect to (A), of a free radical generating initiator which is not active at temperatures lower than or equal to 70 DEG C, and optionally, C) from 0.1 to 5% by weight, based on the total weight of the concentrate, of a coating substance.

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