C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
C08F 8/00 (2006.01) C08F 8/34 (2006.01) C08F 8/42 (2006.01) C08F 8/46 (2006.01)
Patent
CA 2467339
The melt strength is increased and the gloss level is reduced in olefinic TPE compositions through the addition of sufficient amounts of free radical generators (A) and co-curative agents (B). The free radical generators (A) include peroxides, organic peroxides, the persulfates, and the diazo compounds, and mixtures thereof. The co-curative agents (B) includes metal salts of alpha, beta-unsaturated carboxylic acids and alpha, beta-unsaturated carboxylic acids where the pending acid group has been neutralized, or mixtures thereof, and the metals for forming the metal salts of co-curative agent (B) include zinc, lithium, calcium, magnesium, sodium or aluminum, or mixtures thereof.
On augmente la résistance à l'état de fusion et on diminue le niveau de brillance de compositions de TPE oléfiniques par l'addition de quantités suffisantes de générateurs (A) de radicaux libres et d'agents de co-traitement (B). les générateurs (A) de radicaux libres comprennent des peroxydes, des peroxydes organiques, les persuflates et les composés diazo, ainsi que des mélanges de ceux-ci. Les agents de co-traitement (B) comprennent les sels métalliques d'acides carboxyliques et d'acides carboxyliques <i>alpha</i>, <i>beta</i>-insaturés dans lesquels le groupe acide pendant a été neutralisé, ou des mélanges de ceux-ci, et les métaux permettant de former les sels métalliques d'agent de co-traitement (B) comprennent zinc, calcium, magnésium, sodium ou aluminium ou des mélanges de ces métaux.
Ding Ruidong
Reid Charles G.
Tran Hoan
Zhao Xia
Robic
Solvay Engineered Polymers
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