High temperature resistant inner layer material for heat radiator water pipe and preparation method thereof
A heat sink and high-temperature-resistant technology, applied in the field of inner layer materials, can solve problems such as corrosion of radiator products, large changes in hardness, and product failure
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[0025] The Mooney viscosity ML(1+4) 125℃ is 75~85, the ethylene content is 55~65% of the binary ethylene propylene rubber: 40 parts by weight; the Mooney viscosity ML(1+4) 125℃ is 75~85, Ethylene propylene rubber with 50-60% ethylene content, 5-6% ENB content, 0-20 oil-extended parts: 60 parts by weight; carbon black N550: 50 parts by weight, carbon black N774: 50 parts by weight, paraffin Oil: 25 parts by weight (plasticizer), polyisobutylene: 15 parts by weight, precipitation method white carbon black: 5 parts by weight, petroleum resin C5: 5 parts by weight, magnesium oxide: 10 parts by weight, stearic acid: 0.5 parts by weight , Antioxidant RD: 1.5 parts by weight, antioxidant KY405: 2 parts by weight, antioxidant MB: 2 parts by weight, silane coupling agent: 2 parts by weight, cross-linking agent BIBP: 4 parts by weight, cross-linking aid TMPTMA: 2.5 parts by weight, PEG400: 3 parts by weight, WB42: 1.5 parts by weight;
[0026] The method for preparing the material for the...
Embodiment example 2
[0032] An outer layer material of automobile radiator water pipes resistant to high temperature and long-term aging, in parts by weight as follows:
[0033] Binary ethylene propylene rubber with Mooney viscosity ML(1+4) at 125°C of 75-85 and ethylene content of 55-65%: 20 parts by weight,
[0034] The Mooney viscosity ML(1+4) 125℃ is 45~55, the ethylene content is 60~70%, the ENB content is 4~5%, the oil-extended part is 50~100 EPDM: 80 parts by weight, carbon Black N550: 40 parts by weight, spray carbon black: 50 parts by weight, carbon black N762: 20 parts by weight, precipitation method white carbon black, paraffin oil: 25 parts by weight, polyisobutylene: 20 parts by weight, silane coupling agent: 2 Parts by weight, antioxidant RD: 1.5 parts by weight, antioxidant KY405: 2 parts by weight, cross-linking agent BIBP: 4.5 parts by weight, cross-linking aid TMPTMA: 2.5 parts by weight, PEG400: 4 parts by weight, WB42: 1.5 parts by weight.
[0035] The above-mentioned preparation met...
Embodiment example 3
[0042] A material for the inner layer of automobile radiator water pipes resistant to high temperature and long-term aging, in parts by weight as follows:
[0043] A binary ethylene propylene rubber with a Mooney viscosity ML(1+4) of 50-60 at 125°C and an ethylene content of 45-55%: 100 parts by weight, carbon black N550: 50 parts by weight, carbon black N765: 50 parts by weight, Paraffin oil: 25 parts by weight, petroleum resin C5: 20 parts by weight, PEG400: 4 parts by weight, magnesium oxide: 5 parts by weight, antioxidant KY405: 2 parts by weight, WB42: 1.5 parts by weight, crosslinking agent BIBP: 5 parts by weight , Cross-linking aid TMPTMA: 2.5 parts by weight; I have consulted 5 items before, one of which is: precipitation method white carbon black, EPDM, zinc oxide, stearic acid, the minimum amount is 0, is this possible? There is no white carbon black in it, yes, but it should be reflected in the technical plan. For example, precipitated white carbon black should be wri...
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