Thermoplastic compositions with very high content of pulverized

Details Thermoplastic compositions with very high content of pulverized Thermoplastic compositions with very high content of pulverized

1987-07-24

1989-12-26

Lilling, Herbert J.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

524 35, 524130, 524131, 524132, 524133, 524134, 524135, 524140, 524141, 524142, 524143, 524144, 524145, 524156, 524157, 524158, 524208, 524218, 524220, 524238, 524240, 524243, 524244, 524259, 524287, 524288, 524290, 524291, 524319, 524320, 524366, 524423, 524424, 524427, 524430, 524437, 524440, 524445, 524449, 524451, 524456, 524504, 524528, 524579, 524583, 524586, C08K 904, C08K 300, C08K 500, C08K 509, C08L 2308, C08L 2328, C08L 2302, C08L 5106

Patent

active

048898791

ABSTRACT:
Coherent thermoplastic aggregates with very high content of pulverized mineral materials, composed of the said materials, of polyolefin polymers and/or copolymers, and possibly also of various familiar adjuvants, characterized by the fact that, in order for them to have both a volumetric mass close to or at most equal to the theoretical volumetric mass of the pulverized mineral substances entering into their composition and an excellent compatibility with redispersion polymers, the polymers and/or copolymers entering into the composition of the said aggregates in presence of a fluidizing agent are chosen within the group of thermoplastics with melting and/or softening point at least equal to 60.degree. C. and index of fluidity at least 50 (measured according to the standard ASTM D 1238) of the polyolefin type, other than those containing a polar monomer.

REFERENCES:
patent: 4116897 (1978-09-01), Huszar et al.
patent: 4153587 (1979-05-01), Yui
patent: 4174340 (1979-11-01), Luders et al.
patent: 4187210 (1980-02-01), Howard
patent: 4307009 (1981-12-01), Luders et al.
patent: 4309333 (1982-01-01), Silberberg
patent: 4455344 (1984-06-01), Matsuyama et al.
patent: 4722858 (1988-02-01), Harbourne et al.
patent: 4803231 (1989-02-01), Seinera et al.

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