公开(公告)号：US3821143A

公开(公告)日：1974-06-28

申请号：US34368373

申请日：1973-03-22

Applicant: DU PONT

Inventor： CLUFF E ,  SNOW A

IPC: C08L23/16 ,  B32B7/12 ,  C08L7/00 ,  C08L21/00 ,  C08L23/00 ,  C08L57/00 ,  C08L57/02 ,  C08L101/00 ,  C09J123/16 ,  C09J191/00 ,  C09J191/08 ,  C09J193/00 ,  C08F45/52

CPC classification number: C09J191/08 ,  C08L2666/02 ,  C08L2666/04 ,  C09J123/16 ,  C09J191/00

Abstract: A hot melt adhesive composition comprising, in parts by weight, about: A. 100 PARTS OF PETROLEUM WAX, B. 40 TO 200 PARTS OF A TACKIFYING RESIN, AND C. 15 TO 100 PARTS OF A BRANCHED ELASTOMERIC COPOLYMER OF ETHYLENE, AT LEAST ONE C3 to C18 alpha-olefin, at least one direactive nonconjugated diene, and optionally at least one mono-reactive nonconjugated diene; said copolymer having a Mooney viscosity of about 10 to 70.

公开(公告)号：US3790480A

公开(公告)日：1974-02-05

申请号：US3790480D

申请日：1972-12-29

Applicant: DU PONT

Inventor： CAMPBELL J ,  CLUFF E ,  SARAFIDIS C

IPC: C10M143/14 ,  C08F210/00 ,  C08F210/16 ,  C08F210/18 ,  C09K3/00 ,  C10L1/16 ,  C10M20060101 ,  C10M169/00 ,  C10N20/02 ,  C10N30/02 ,  C10N40/25 ,  C10M1/18

CPC classification number: C07C323/00 ,  C10M1/08 ,  C10M2203/10 ,  C10M2203/102 ,  C10M2205/00 ,  C10M2205/10 ,  C10M2209/101 ,  C10M2211/08 ,  C10N2220/02 ,  C10N2240/04 ,  C10N2240/042 ,  C10N2240/044 ,  C10N2240/046 ,  C10N2240/08 ,  C10N2270/02

Abstract: A MINERAL OIL COMPOSITION COMPRISING A NEUTRAL, NONVOLATILE, MINERAL OIL BASE AND, AS A VISCOSITY INDEX IMPROVER, AN EFFECTIVE AMOUNT, FOR EXAMPLE, 0.5-3 WEIGHT PERCENT, OF AN ESSENTIALLY AMORPHOUS, OIL SOLUBLE COPOLYMER HAVING RANDOM REPEAT UNITS DERIVED, ON A WEIGHT BASIS WITH THE COMBINED WEIGHTS TOTALLING 100%, (A) 25-55% FROM ETHYLENE, (B) 37-75% FROM A TERMINALLY UNSATURATED STRAIGHT CHAIN MONOOLEFIN HAVING 3-12 CARBON ATOMS, (C) 0.1-10% FROM A NON-CONJUGATED DIOLEFIN HAVING 518 CARBON ATOMS AND ONLY ONE POLYMERIZABLE DOUBLE BOND, AND (D) 0.1-2% FROM A NON-CONJUGATED DIOLEFIN HAVING 518 CARBON ATOMS AND TWO POLYMERIZABLE DOUBLE BONDS, SAID COPOLYMER HAVING AN INHERENT VISCOSITY OF 0.7-1.8 AS MEASURED ON A 0.1 WEIGHT PERCENT SOLUTION IN TETRACHLOROETHYLENE AT 30*C. AND A WALLACE PLASTICITY OF AT LEAST 16, SAID COPOLYMER FURTHER CHARACTERIZED AS EXHIBITING SUPERIOR PROCESSABILITY AND ISOLABILITY AND GOOD SHEAR STABILITY.

公开(公告)号：US3746694A

公开(公告)日：1973-07-17

申请号：US3746694D

申请日：1970-08-12

Applicant: DU PONT

Inventor： CLUFF E

IPC: C08F2/00 ,  C08F210/18 ,  C08F15/40

CPC classification number: C08F210/18 ,  Y10S526/907 ,  C08F210/14 ,  C08F2500/17

Abstract: WHERE N-2-4, R'' IS A MONOVALENT HYDROCARBON RADICAL AND X IS CL, BR OR I. THE CATALYST OF THIS INVENTION EXHIBITS HIGH CATALYTIC EFFICIENCY AND RESULTS IN A REACTION MASS WHICH IS CLEAR AND REMAINS PRACTICALLY FREE FROM UNDEIREABLE SOLIDS DEPOSITION. THE POLYMER PRODUCTS PREPARED WITH THIS CATALYST HAVE EXCEPTIONALLY LOW POLYETHYLENE CONTENT AND EXHIBIT GOOD SOLUBILITY PROPERTIES.

R''6-NAL2XN

A PROCESS FOR PREPARING ELASTOMERIC SULFUR-CURABLE COPOLYMERS OF ETHYLENE, A C4-C12 ALPHA-MONOOLEFIN AND A C6-C22 NON-CONJUGATED DIENE BY CONTACTING THE MONOMERS IN THE PRESENCE OF A CATALYST PREPARED BY SIMULTANEOUSLY MIXING, IN THE PRESENCE OF THE C4-C12 ALPHA-OLEFIN, A TITANIUM HALIDE OR OXYHALIDE, AN ORGANOLITHIUM COMPOUND AND AN ORGANOALUMINUM HALIDE OF THE STRUCTURE