Manufacturing method and application of nano-copper antibacterial and antiviral meltblown masterbatch
A manufacturing method and nano-copper technology, applied in the field of materials, to achieve the effects of improving particle size and distribution, good bonding, and improved crystallinity
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Embodiment 1
[0034] A method for manufacturing nano-copper antibacterial and antiviral meltblown cloth masterbatch, comprising the following steps:
[0035] S1 preparation of nano-copper
[0036] The copper powder is subjected to supersonic particle bombardment treatment with an airflow speed of 600-1000m / s using a supersonic particle bombardment device. The microsphere structure diamond hexagonal nano-copper with a particle size of 100-500 nm and a positive charge was obtained by mechanical nano-milling.
[0037] Preparation of nano-microcapsule-coated graphene composites by S2
[0038] Mix 1 weight part of graphene, 0.5 weight part of microsphere structure diamond hexagonal nano-copper, 0.1 weight part of micron-scale microporous silica and 3 weight parts of polycyanopropenyl alkyl ester, and hybridize to obtain nano-microcapsule package Graphene-coated composites. The details are as follows, S2-1 prepares graphene-supported nano-copper particles
[0039] Disperse 1 part by weight of...
Embodiment 2
[0062] This embodiment is basically the same as Embodiment 1, except that:
[0063] (1) In step S2
[0064] 1 part by weight of graphene, 1 part by weight of microsphere structure diamond hexagonal nano-copper, 0.2 part by weight of micron-scale microporous silica and 10 parts by weight of polylactic acid are mixed and hybridized to obtain a nano-microcapsule-coated graphene composite material.
[0065] (2) In step S3-1
[0066] The nano-microcapsule-coated graphene composite material and polypropylene material were prepared in a weight ratio of 1:10.
Embodiment 3
[0068] This embodiment is basically the same as the first embodiment, the difference is:
[0069] (1) In step S2
[0070] 1 part by weight of graphene, 0.8 part by weight of microsphere structure diamond hexagonal nano-copper, 0.15 part by weight of micron-scale microporous silica and 5 parts by weight of chitosan are mixed and hybridized to obtain a nano-capsule-coated graphene composite material .
[0071] (2) In step S3-1
[0072] The nano-microcapsule-coated graphene composite material and polypropylene material were prepared in a weight ratio of 1:6.
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