熱硬化性樹脂の分散とその補強効果について
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概要
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In the case of reinforcement of styrene-butadiene rubber with thermosetting resins, remarkable difference in the extent of reinforcing effect appears according to the mixing method, even if same resin is used. Phenolformaldehyde resin substituted with C<SUB>9</SUB> Hydrocarbon as thermosetting resin was applied in this paper to study the relationship between dispersion state and reinforcing effect in SBR.<BR>The mixing methods are as follows : <BR>1) Blend in SBR latex<BR>2) Blend in solvent<BR>3) Mixture on mill<BR>The results show that resin blend in SBR latex is superior to the other two methods in dispersion state and reinforceing effect on SBR. But thermosetting resins having good reinforcement and dispersion in SBR are desirable even if mixture on mill in practice. It was found that aminoplast resins modified with m-xylene formaldehyde resin showing good solvency for SBR had high reinforcing effect on SBR compound.
- 一般社団法人 日本ゴム協会の論文