| 单词 | polyvinyl acetal |
| 释义 | > as lemmaspolyvinyl acetal polyvinyl acetal n. any of a class of synthetic resins prepared by condensing polyvinyl alcohol with an aldehyde, sometimes spec. acetaldehyde (ethanal), and mainly used in safety glass and in lacquers and paints; cf. polyvinyl butyral n. at sense 1e.extracted from polyvinyln.< as lemmas |
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