using blowing gases generated by a previously added blowing agent

Full Title

Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof (mechanical aspects of shaping of plastics or substances in a plastic state for the production of porous or cellular articles B29C) > using blowing gases generated by a previously added blowing agent

Child Classifications

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• C08J 9/06 by a chemical blowing agent
• C08J 9/12 by a physical blowing agent