CRYSTALLIZATION RESISTANT, LOW MODULUS ELASTOMER FOR FLEXIBLE BEARINGS
Assignee
MORTON THIOKOL, INC.
Filed
Mar 10, 1989
Granted
Jul 1, 1997
Location
TREMONTON UT US
Abstract
A low shear modulus vulcanizate for construction of flexible bearings, particularly for rocket motors, consisting essentially of a mixture of two natural or synthetic rubber copolymers, the first having about 92% cis-1,4-polyisoprene and about 8% trans-1,4-polyisoprene moieties and the second having about 98% by weight cis-1,4-polyisoprene and about 2% by weight trans-1,4-polyisoprene moieties. The composition is lightly filled and contains a low proportion of sulfur, so the vulcanizate has the required low shear modulus, low rate of thermal crystallization at low temperatures, and an acceptably high shear strength.
Source: Google Patents
35 USC §181 Secrecy Order
Imposed
Oct 19, 1989
Rescinded
May 23, 1994
Duration
4 years, 7 months
Inventor
- 1DAVID G. GUILLOT
Record Details
- Patent number
- US 5644000
- Application
- 07322273
- Aerospace match
- Yes
- Dataset source
- 35 USC §181 SO records
Browse by Assignee
MORTON THIOKOL, INC.More from this assignee
PRECISION CONTROLLED VARIABLE THRUST SOLID PROPELLANT ROCKET MOTOR
MORTON THIOKOL, INC.
RAPID BURNING PROPELLANT CHARGE FOR AUTOMOBILE AIR BAG INFLATORS, ROCKET MOTORS, AND IGNITERS THEREFOR
MORTON THIOKOL, INC.
CRYSTALLIZATION OF BETA HMX
MORTON THIOKOL, INC.
ENERGETIC NITRO MALONATE POLYESTER BINDERS
MORTON THIOKOL, INC.
PULSED ROCKET MOTOR
MORTON THIOKOL, INC.
Related by domain
GAS TURBINE ENGINE COMBUSTOR HAVING TRAPPED DUAL VORTEX CAVITY
General Electric
SOLID ROCKET PROPELLANT
GAS TURBINE ENGINE FAN (U)
General Electric
TURNING VANE ARRANGEMENT FOR IR SUPPRESSORS
SIKORSKY AIRCRAFT CORPORATION
MODULAR ROCKET BOOSTED PENETRATING WARHEAD
LOCKHEED MARTIN CORP.
INTEGRAL SOLID BOOSTER AND HYBRID THRUST SUSTAINING SYSTEM AND PROJECTILE INCORPORATING THE SAME
ENVIRONMENTAL AEROSCIENCE CORPORATION