Photodegradation-rate-controllable polyformaldehyde and preparation method thereof
A polyoxymethylene and photodegradation technology, applied in recycling technology, plastic recycling and other directions, can solve the problems of non-degradability of polyoxymethylene, increased environmental pressure, difficult problems, etc., to solve the problem of photodegradation and photodegradation speed, reduce environmental Effects of load problems
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Embodiment 1
[0008] Embodiment 1: The composite photocatalyst of polyoxymethylene and nano-titanium dioxide and manganese is mixed with the mass ratio of 94:6 to obtain the polyoxymethylene of photodegradation speed controllable type, wherein the mass ratio of nano-titanium dioxide and manganese in the composite photocatalyst is 100 : 50. The masterbatch can be further made into other products, and the service life of the products can be controlled within 8-10 years.
Embodiment 2
[0009] Embodiment 2: The composite photocatalyst of polyoxymethylene and nano-titanium dioxide and manganese is mixed with the mass ratio of 96: 4 to obtain the polyoxymethylene of photodegradation speed controllable type, wherein the mass ratio of nano-titanium dioxide and manganese in the composite photocatalyst is 100 : 100. The masterbatch can be further made into other products, and the service life of the products can be controlled within 8-10 years.
Embodiment 3
[0010] Embodiment 3: The composite photocatalyst of polyoxymethylene and nano-titanium dioxide and manganese is mixed with the mass ratio of 98: 2 to obtain the polyoxymethylene of photodegradation speed controllable type, wherein the mass ratio of nano-titanium dioxide and manganese in the composite photocatalyst is 100 : 60. The masterbatch can be further made into other products, and the service life of the products can be controlled within 8-10 years.
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