Polyamide composition
    83.
    发明授权

    公开(公告)号:US09982133B2

    公开(公告)日:2018-05-29

    申请号:US14906325

    申请日:2014-07-22

    Abstract: The invention pertains to a filled polyamide composition [composition (C)] comprising: —from 35 to 80% wt of at least one polyhydric alcohol-modified polyamide, comprising an amount of polyhydric alcohol (PHA, herein after) residues chemically bonded at least to a part of the polyamide [polyamide (A)] of at least 0.1% wt (based on the total weight of polyamide (A)); —from 10 to 65% wt of at least one filler [filler (F)]; —from 1 to 10% wt of at least one impact modifying rubber [rubber (I)]; and —from 0.01 to 3% wt of at least one copper-containing stabilizer, with above % wt being referred to the total weight of composition (C).

    Self-sinking aeration hose
    89.
    发明授权

    公开(公告)号:US09915390B2

    公开(公告)日:2018-03-13

    申请号:US15375018

    申请日:2016-12-09

    Abstract: Disclosed herein is an aeration hose capable of diffusing bubbles of air within a body of water, comprising a) a hose portion derived from a composition, comprising a polyvinyl chloride resin; a first rubber component; a second rubber component; at least one copolymer; at least one low temperature plasticizer; at least one filler comprising copper dioxide; at least one heat stabilizer; at least one internal lubricant; at least one antioxidant; and at least one biofouling agent, wherein the hose portion comprises an outer hose portion, an inner hose portion and a plurality of hose apertures capable of receiving and diffusing pressurized air, wherein the hose is flexible and has no memory, and wherein the hose apertures are provided therethrough the inner hose portion and the outer hose portion and proportionally spaced about the outer hose portion along a length of the hose portion.

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