A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
DRAINPIPE
To provide a drainpipe which is excellent in inter-layer stability while being a multilayer pipe having a hard polyvinyl chloride system resin outer layer and an anticorrosive inner layer.SOLUTION: A drainpipe for use in the drainage at a temperature T°C (here, T≥60) includes: an inner layer constituted of resin selected from a group composed of a polyolefin resin, a fluorine resin, a polyphenyl sulfonic resin, and a polyphenyl sulfide resin; an outer layer formed outside the inner layer, and constituted of a hard polyvinyl system resin; and an adhesive which is charged between the outer layer and the inner layer. The drainpipe whose weighting deflection temperature of a resin of 0.45 Mpa constituting the inner layer is T×0.85°C of higher is excellent in inter-layer stability.SELECTED DRAWING: Figure 1
【課題】硬質ポリ塩化ビニル系樹脂外層と耐食性内層とを有する多層管でありながら層間安定性に優れる排水管を提供する。【解決手段】温度Ｔ℃（但し、Ｔ≧６０）の排水に用いられる排水管であって、ポリオレフィン系樹脂、フッ素系樹脂、ポリフェニルスルホン樹脂、及びポリフェニルサルファイド樹脂からなる群より選択される樹脂で構成される内層と、前記内層の外側に設けられた、硬質ポリ塩化ビニル系樹脂で構成される外層と、前記外層と前記内層との間に設けられた接着層と、を含み、前記内層を構成する樹脂の０．４５ＭＰａにおける加重たわみ温度がＴ×０．８５℃以上である排水管は、層間安定性に優れる。【選択図】図１
DRAINPIPE
To provide a drainpipe which is excellent in inter-layer stability while being a multilayer pipe having a hard polyvinyl chloride system resin outer layer and an anticorrosive inner layer.SOLUTION: A drainpipe for use in the drainage at a temperature T°C (here, T≥60) includes: an inner layer constituted of resin selected from a group composed of a polyolefin resin, a fluorine resin, a polyphenyl sulfonic resin, and a polyphenyl sulfide resin; an outer layer formed outside the inner layer, and constituted of a hard polyvinyl system resin; and an adhesive which is charged between the outer layer and the inner layer. The drainpipe whose weighting deflection temperature of a resin of 0.45 Mpa constituting the inner layer is T×0.85°C of higher is excellent in inter-layer stability.SELECTED DRAWING: Figure 1
【課題】硬質ポリ塩化ビニル系樹脂外層と耐食性内層とを有する多層管でありながら層間安定性に優れる排水管を提供する。【解決手段】温度Ｔ℃（但し、Ｔ≧６０）の排水に用いられる排水管であって、ポリオレフィン系樹脂、フッ素系樹脂、ポリフェニルスルホン樹脂、及びポリフェニルサルファイド樹脂からなる群より選択される樹脂で構成される内層と、前記内層の外側に設けられた、硬質ポリ塩化ビニル系樹脂で構成される外層と、前記外層と前記内層との間に設けられた接着層と、を含み、前記内層を構成する樹脂の０．４５ＭＰａにおける加重たわみ温度がＴ×０．８５℃以上である排水管は、層間安定性に優れる。【選択図】図１
DRAINPIPE
排水管
YOKOTA IBUKI (author) / SHIMURA SATOSHI (author)
2020-10-08
Patent
Electronic Resource
Japanese
Drainpipe, method for preventing blockage of drainpipe and installation structure of drainpipe
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