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    Method for Spraying Polymeric Compositions with Reduced Solvent Emission and Enhanced Atomization
    2.
    发明专利
    Method for Spraying Polymeric Compositions with Reduced Solvent Emission and Enhanced Atomization 未知

    公开(公告)号：CA2111794A1

    公开(公告)日：1994-06-19

    申请号：CA2111794

    申请日：1993-12-17

    Applicant: UNION CARBIDE CHEM PLASTIC

    Inventor： NIELSEN KENNETH A ,  BUSBY DAVID C ,  DONOHUE MARC D ,  GLANCY CHARLES W

    IPC: B05B7/00 ,  B05D1/02 ,  C09D7/00

    Abstract: A process of spraying a polymeric compsn. to form a spray of finely atomised liq. droplets comprises (1) forming in a closed system a liq. mixt. a temp. T0 comprising: (a) a non-volatile fraction contg. at least one polymer that is cable of being sprayed; and (b) a solvent fraction that is partially miscible with (a) and contains an amt. of at least one compressed fluid sufficient, when it is added to (a); (i) to make the viscosity of the mixt. suitable for spraying; and (ii) to let the liq. mixt. form a liq. compressed fluid phase at temp. T0 the compressed fluid being a gas at 0 deg. C and 1 atmos. pressure; and (2) spraying the liq. mixt. by passing it at temp. T0 and spray pressure P, into an orifice, through which the mixt. flows to form a liq. spray, where spray pressure P1 is above the min. pressure P2 at which the liq. mixt. forms a liq. compressed fluid phase at temp. T0, thus passing the liq. mixt. through the liq.-liq. region of the polymer compsn. and compressed fluid during depressurisation.

    COATING COMPOSITIONS
    4.
    发明专利
    COATING COMPOSITIONS 未知

    公开(公告)号：CA2044892C

    公开(公告)日：1998-08-18

    申请号：CA2044892

    申请日：1991-06-18

    Applicant: UNION CARBIDE CHEM PLASTIC

    Inventor： GILES FREDERICK A JR ,  GLANCY CHARLES W

    IPC: C08K5/21 ,  C08K5/3445 ,  C09D7/12 ,  C09D201/00 ,  C09D7/00

    Abstract: Coating compositions which provide coatings having enhanced properties, e.g., gloss, are disclosed. The coating compositions may be water-borne compositions, or may be water-reducible or water-dispersible compositions including a thermoplastic resin component. Such compositions include a gloss enhancing amount of a nitrogen-containing component selected from compounds having the formula and mixtures thereof, wherein each R is independently selected from the group consisting of H, monovalent hydrocarbyl radicals having 1 to about 4 carbon atoms, and divalent hydrocarbyl radicals having 1 to about 2 carbon atoms, R'OH wherein R' is a divalent hydrocarbyl radical having 1 to about 4 carbon atoms, provided that the compound includes at least one hydroxyl group and if one R is a divalent radical then another R is a bond in the divalent radical or is another divalent radical.

    COATING COMPOSITIONS
    6.
    发明专利
    COATING COMPOSITIONS 未知

    公开(公告)号：CA2044892A1

    公开(公告)日：1991-12-20

    申请号：CA2044892

    申请日：1991-06-18

    Applicant: UNION CARBIDE CHEM PLASTIC

    Inventor： GILES FREDERICK A JR ,  GLANCY CHARLES W

    IPC: C08K5/21 ,  C08K5/3445 ,  C09D7/12

    Abstract: Coating compositions which provide coatings having enhanced properties, e.g., gloss, are disclosed. The coating compositions may be water-borne compositions, or may be water-reducible or water-dispersible compositions including a thermoplastic resin component. Such compositions include a gloss enhancing amount of a nitrogen-containing component selected from compounds having the formula and mixtures thereof, wherein each R is independently selected from the group consisting of H, monovalent hydrocarbyl radicals having 1 to about 4 carbon atoms, and divalent hydrocarbyl radicals having 1 to about 2 carbon atoms, R'OH wherein R' is a divalent hydrocarbyl radical having 1 to about 4 carbon atoms, provided that the compound includes at least one hydroxyl group and if one R is a divalent radical then another R is a bond in the divalent radical or is another divalent radical.

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