Invention Application
- Patent Title: RUBBER COMPOSITION FOR DYNAMIC OR STATIC APPLICATIONS, PROCESS FOR PREPARING SAME AND PRODUCTS INCORPORATING SAME
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Application No.: US17606991Application Date: 2020-04-22
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Publication No.: US20220204743A1Publication Date: 2022-06-30
- Inventor: Etienne DELEBECQ , Laina GUO
- Applicant: HUTCHINSON
- Applicant Address: FR Paris
- Assignee: HUTCHINSON
- Current Assignee: HUTCHINSON
- Current Assignee Address: FR Paris
- Priority: FR1904690 20190503
- International Application: PCT/FR2020/050684 WO 20200422
- Main IPC: C08L23/32
- IPC: C08L23/32 ; C09K3/10
Abstract:
The invention relates in particular to a crosslinkable rubber composition and to a process for preparing same.
The composition is based on an elastomer, comprises a crosslinking system and a thermoplastic phase with melting point Tm dispersed as nodules, and comprises the product: a) of a melt reaction by thermomechanical working of the elastomer and other ingredients, apart from the system, then b) of mechanical working with prior addition of the system. According to the invention: the dimension of the nodules is between 10 nm and 10 pm, a) comprises heating the mixture up to a temperature >Tm maintained for a holding time, and the system comprises sulfur when the elastomer is unsaturated and said phase comprises saturated chains, and comprises a peroxide when the elastomer is saturated.
The composition is based on an elastomer, comprises a crosslinking system and a thermoplastic phase with melting point Tm dispersed as nodules, and comprises the product: a) of a melt reaction by thermomechanical working of the elastomer and other ingredients, apart from the system, then b) of mechanical working with prior addition of the system. According to the invention: the dimension of the nodules is between 10 nm and 10 pm, a) comprises heating the mixture up to a temperature >Tm maintained for a holding time, and the system comprises sulfur when the elastomer is unsaturated and said phase comprises saturated chains, and comprises a peroxide when the elastomer is saturated.
Information query
