Melt-processible, wear resistant polyethylene

Details Melt-processible, wear resistant polyethylene Melt-processible, wear resistant polyethylene

2004-07-13

2008-11-25

Lu, Caixia (Department: 1796)

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

C526S160000, C526S165000, C526S352000, C264S328100

Reexamination Certificate

active

07456242

ABSTRACT:
Melt-processible, thermoplastic polyethylene compositions of high resistance against wear are disclosed and methods for making and processing same. Additionally, products comprising these compositions are described.

REFERENCES:
patent: 3956253 (1976-05-01), Braun
patent: 5055438 (1991-10-01), Canich
patent: 5422061 (1995-06-01), Takahashi et al.
patent: 5637660 (1997-06-01), Nagy et al.
patent: 5658992 (1997-08-01), Ehlers et al.
patent: 5747620 (1998-05-01), Machida et al.
patent: 5834393 (1998-11-01), Jacobsen et al.
patent: 5852143 (1998-12-01), Sishta et al.
patent: 5869587 (1999-02-01), Auburn et al.
patent: 5962615 (1999-10-01), Kojoh et al.
patent: 6114457 (2000-09-01), Markel et al.
patent: 6214469 (2001-04-01), Sukhadia et al.
patent: 6228900 (2001-05-01), Shen et al.
patent: 6242507 (2001-06-01), Saum et al.
patent: 6506866 (2003-01-01), Jacobsen et al.
patent: 6-256419 (1994-09-01), None
patent: 9-291112 (1997-11-01), None
patent: 10-208552 (1998-07-01), None
patent: 11-503785 (1999-03-01), None
patent: 11-106417 (1999-04-01), None
patent: 11-236410 (1999-08-01), None
Aldrich Catelog, 2005-2006, pp. 1919-1920.
U.S. Aldrich Handbook of Fine Chemicals and Laboratory Equipment, 2000-2001 Edition, pp. 1360-1361.
J.C. Anderson, “High Density and Ultra-High Molecular Weight Polyethylenes: their Wear Properties and Bearing Applications,” Tribology International, 1982, vol. 15(1) pp. 43-47.
O.K. Muratoglu et al., “Unified Model for Highly Crosslinked-Ultra-High Molecular Weight Polyethylenes (UHMWPE),” Biomaterials, 1999, vol. 20, pp. 1463-1470.
K. Jordens et al., “The Influence of Molecular Weight and Thermal History on the Thermal, Rheological, and Mechanical Properties of Metallocene-Catalyzed Linear Polyethylenes,” Polymer, 2000, vol. 41, pp. 7175-7192.
H. Hohn et al., “Verschleiβverhalten von Ultrahochmolekularem Polyethylen bei Geibeansprunchung,” Kunststoffe, 1992, vol. 82, pp. 391-394.
J. Berzen, “Hostalen GUR-Prüfmethoden und Charakteristik eines Verschleiβfesten Werkstoffes,” CA-Chemie-Technik, 1974, Nr. 4, pp. 129-134.
P. Vadhar and T. Kyu, “Effects of Mixing on Morphology, Rheology, and Mechanical Properties of Blends of Ultra-High Molecular Weight Polyethylene with Lenear Low-Density Polyethylene,” Polymer Engineering and Science, 1987, vol. 27(3), pp. 201-210.
M. M. Dumoulin et al., “Rheological and Mechanical Behavior of the UHMWPE/MDPE Mixtures,” 1984, vol. 24(2), pp. 117-126.
L. Minkova and M. Mihailov, “A Calorimetric Study of Normal High Density and Ultra-High Molecular Weight Polyethylene Blends,” Colloid & Polymer Science, 1987, vol. 265, pp. 1-7.
D. M. Khanin et al., “Relation of Abrasion of Some Molecular-Weight Characteristics of High-Pressure Polyethylene,” Journal of Applied Chemistry of the USSR, 1989, vol. 62, pp. 2451-2453.
Y. Huang and N. Brown, “Slow Crack Growth in Blends of HDPE and UHMWPE,” Polymer, 1992, vol. 27, pp. 44-48.
A. G. Sirota et al., “On Abrasive Wear Resistance Dependence on the Molecular Characteristics of HDPE,” Trenie I. Iznos, 1986, vol. 7, pp. 358-361.
A.F. Margolies, “Effect of Molecular Weight on Properties of HDPE,” SPE Journal, 1971, vol. 27, pp. 44-48.
R.I. Trezona et al., “Transitions between Two-body and Three body Abrasive Wear: Influence of Test Conditions in the Microscale Abrasive Wear Test,” Wear, 1999, vol. 229, pp. 205-214.
J.F. Vega et al., “Small Amlitude Oscillatory Shear Flow Measurements as a Tool to Detect Very Low Amounts of Long Chain Branching in Polyethylenes,” Macromolecules, 1998, vol. 31, pp. 3639-3647.
A. Boscolo Boscoletto et al., “An Investigation on Rheological and Impact Behavior of High Density and Ultra-High Molecular Weight Polyethylene Mixtures,” European Polymer Journal, 1997, vol. 34, pp. 791-792.
M.S. Silverstein and J. Breitner, Wear and Friction in UHMWPE/PTFE Blends, Polymer Preprints, 1993, vol. 34, pp. 791-792.
T. Tincer and M. Coskun, “Melt Blending of Ultra-High Molecur Weight and High-Density Polyethylene: The Effect of the Mixing Rate on Thermal, Mechanical and Morphological Properties,” Polymer Engineering and Science, 1993, vol. 33, pp. 1243-1250.
K.L. Rutherford and I.M. Hutchings, “Three-body Abrasive Wear Testing of Soft Materials,” Wear, 1999, vol. 32, pp. 3639.
Wood-Adams, et al., “Effect of Molecular Structure on the Linear Viscoelastic Behavior of Polyethylene”,Macromolecules, 2000, vol. 33, pp. 7489-7499.

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