What is known about the degradation of such polymers in the environment?
A lot is known about this, and it is highly regulated. Polyvinyl alcohol and low MW polyethylene glycols (
https://patents.google.com/patent/US6602836B2/en
https://patents.google.com/patent/US20030119706/en
https://patents.google.com/patent/EP1028150A2/en
water-soluble polymers have very specific applications
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