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  • United States Patent Office
    The polyoxymethylene composi tions of this invention surprisingly have a lesser tendency to yellow and darken than do the previously known aro 5 0 5 20 25 30 35 40 matic-amine modified polyoxymethylene compositions, both initially and on heat aging Thus, this invention pro vides polyoxymethylene compositions with an exceptional
  • US 2015O111796A1 (19) United States (12) Patent Application . . .
    A tribologically modified polyoxymethylene polymer com (21) Appl No : 14 511,891 position is disclosed The polyoxymethylene polymer com 9 position is comprised of a polyoxymethylene polymer and at least one tribological modifier The tribological modifier may 1-1 comprise at least one tribological modifier comprising an
  • IN - patentimages. storage. googleapis. com
    A tribologically modified polyoxymethylene polymer com position is disclosed The polyoxymethylene polymer com position is comprised of a polyoxymethylene polymer in combination with a tribological modifier system The tribo logical modifier system may include the combination of a fluoropolymer with a high density polyethylene , such as an
  • Polymer Modification with Reactive Silicones
    epoxy with a cycloaliphatic epoxy modified silicone The silicone used is Silmer EPC F418-F, which is also modified with a EO PO polyether chains for miscibility A silicone concentration ladder study of this reaction is conducted from 0-50% in units of 10% The materials are cured at 110°C for 4 hours and, in
  • ( 19 ) United States ( 12 ) Patent Application Publication . . .
    A tribologically modified polyoxymethylene polymer com position is disclosed The polyoxymethylene polymer com position is comprised of a polyoxymethylene polymer and at least one tribological modifier The tribological modifier may comprise at least one tribological modifier comprising an ultra - high molecular weight silicone having a kinematic
  • United States Patent Office
    tion comprising a polyoxymethylene containing units of a fluoroaldehyde therein It is still another object of this invention to provide a process for preparing a high molecu lar weight polyoxymethylene modified with a fluoroalde hyde Other objects will become apparent in the more detailed explanation of this invention given below 0 5 20 25 30
  • Good Plastics
    ptfe複合改質改質塑料耐磨系列 pom pa66 pa12 pa46塑料1 2 地址：桃園市龜山區興華一街251號6樓 電話：+886-03-3960122 傳真：+886-3-3960706 ptfe鐵氟龍複合改質塑料耐磨系列 pom pa66 pa12 pa46塑料 ptfe鐵氟龍 俗稱「塑膠王」，商標名teflon。





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