Patent ID: 11965063
Assignee: EMPA EIDGENOESSISCHE MATERIALPRUEFUNGS- UND FORSCHUNGSANSTALT
Field: Macromolecular chemistry, polymers (Chemistry)
Classification: CPC C  B | IPC B  C

Claim 6:
7. The method according to claim 1, wherein the catalyst is:
Ti(OR″)4 or Zn(II)alkanolates Zn(OR″)2, wherein R″=—CH2CH3, —CH(CH3)2, —CH2CH2CH3, —C(CH3)3, —CH2CH2CH2CH3, or
the catalyst is Ti(O—Si(CH3)3)4, wherein and the catalyst amount is between 0.01 and 1.5% on a mol basis of total alkoxysilane precursor used.