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・ Cold Response
・ Cold River
・ Cold River (Bearcamp River)
・ Cold River (Connecticut River)
・ Cold River (Maine – New Hampshire)
・ Cold River (New York)
・ Cold River (Vermont)
・ Cold River Bridge
・ Cold River Bridge (Langdon, New Hampshire)
・ Cold River Lady
・ Cold River Virgin Forest
・ Cold Rock a Party
・ Cold Rock Ice Creamery
・ Cold roll laminator
・ Cold Roses
Cold rubber
・ Cold Sassy Tree
・ Cold Sassy Tree (opera)
・ Cold Saturday
・ Cold saw
・ Cold Seeds
・ Cold seep
・ Cold sensitivity
・ Cold Service
・ Cold shield
・ Cold shock response
・ Cold shoulder
・ Cold Shoulder (Adele song)
・ Cold Shoulder (disambiguation)
・ Cold Showers


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Cold rubber : ウィキペディア英語版
Cold rubber

Cold rubber, or cold polymerized rubber, is synthetic rubber (especially, SBR and NBR) emulsion polymerized at a relatively low temperature.
The polymerizing temperature is approximately 5℃ in the case of SBR and 5∼10℃ in the case of NBR.
Since rubber molecule types have a smaller number of branches than hot rubber polymerized at high temperature (50℃) and are characterized by good stereoregularity, cold rubber has superior processability as well as the ability to produce vulcanized materials with good tensile strength, expansion and aging resistance, and flex resistance.
Except some SBR and NBR used for special purposes, most SBR and NBR available in the market are considered cold rubber.


抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
ウィキペディアで「Cold rubber」の詳細全文を読む



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