28-11-2013 дата публикации
Номер: US20130317163A1
Compositions of PHAs with PBS and/or PBSA are described and methods of making the same. 1. A method of preparing a branched polymer composition , comprisingreacting a PHA and PBS or PBSA with a branching agent, thereby forming a branched polymer composition of PHA and PBS or PHA and PBSA.2. The method of claim 1 , wherein the composition further comprises one or more additives.3. The method of claim 1 , wherein the branching agent is selected from: dicumyl peroxide claim 1 , t-amyl-2-ethylhexyl peroxycarbonate claim 1 , 1 claim 1 ,1-bis(t-butylperoxy)-3 claim 1 ,3 claim 1 ,5-trimethylcyclohexane claim 1 , 2 claim 1 ,5-dimethyl-2 claim 1 ,5-di(t-butylperoxy)hexane claim 1 , 2 claim 1 ,5-bis(t-butylperoxy)-2 claim 1 ,5-dimethylhexane claim 1 , 2 claim 1 ,5-dimethyl-di(t-butylperoxy)hexyne-3 claim 1 , di-t-butyl peroxide claim 1 , benzoyl peroxide claim 1 , di-t-amyl peroxide claim 1 , t-butyl cumyl peroxide claim 1 , n-butyl-4 claim 1 ,4-bis(t-butylperoxy)valerate claim 1 , 1 claim 1 ,1-di(t-butylperoxy)-3 claim 1 ,3 claim 1 ,5-trimethyl-cyclohexane claim 1 , 1 claim 1 ,1-di(t-butylperoxy)cyclohexane claim 1 , 1 claim 1 ,1-di(t-amylperoxy)-cyclohexane claim 1 , 2 claim 1 ,2-di(t-butylperoxy)butane claim 1 , ethyl-3 claim 1 ,3-di(t-butylperoxy)butyrate claim 1 , 2 claim 1 ,2-di(t-amylperoxy)propane claim 1 , ethyl-3 claim 1 ,3-di(t-amylperoxy)butyrate claim 1 , t-butylperoxy-acetate claim 1 , t-amylperoxyacetate claim 1 , t-butylperoxybenzoate claim 1 , t-amylperoxybenzoate claim 1 , and di-t-butyldiperoxyphthalate.4. The method of claim 1 , wherein the concentration of branching agent is between 0.001% to 0.5% by weight of the total composition.5. The method of claim 1 , wherein the composition further comprises a cross-linking agent for reacting with the polymer composition.6. The method of claim 1 , wherein the cross-linking agent contains at least two reactive C—C double bonds.7. The method of claim 1 , wherein the cross-linking agent is an epoxy functional ...
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