Invention Grant
- Patent Title: Microcellular urethane elastomers of relatively low density
- Patent Title (中): 相对低密度的微孔URETHANE弹性体
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Application No.: US3605848DApplication Date: 1968-12-23
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Publication No.: US3605848APublication Date: 1971-09-20
- Inventor: LOMBARDI FRANK G , HOSTETTLER FRITZ
- Applicant: INTER POLYMER RES CORP
- Assignee: Inter Polymer Res Corp
- Current Assignee: Inter Polymer Res Corp
- Priority: US78592968 1968-12-23
- Main IPC: B60C7/10
- IPC: B60C7/10 ; C08G18/42 ; C08G18/48 ; C08G18/66 ; C08J9/34 ; B60C7/12 ; C08F47/10 ; C08G22/48
Abstract:
A BULLET PROOF VEHICLE TIRE HAVING A PERIPHERAL COATING OF SOLID POLYURETHANE ELASTOMERS AND A CORE OF PREDOMINANTLY OPEN-CELLED MICROCELLULAR POLYURETHANE ELASTOMERS HAVING A DENSITY OF FROM ABOUT 6 TO ABOUT 25 PUNDS PER CUBIC FOOT PRODUCED BY THE REACTION OF (A) A POLYOL CON-
TAINING AT LEAST ABOUT 35% OF SECONDARY HYDROXYL ENDGROUPS, (B) AN ORGANIC POLYISOCYANATE, (C) A SURFACTANT, (D) A FOAMING AGENT, AND (E) A CATALYST.
TAINING AT LEAST ABOUT 35% OF SECONDARY HYDROXYL ENDGROUPS, (B) AN ORGANIC POLYISOCYANATE, (C) A SURFACTANT, (D) A FOAMING AGENT, AND (E) A CATALYST.
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