SANITARY EQUIPMENT MEMBER

To provide a sanitary equipment member which is excellent in easy stains removal characteristic and its persistence.SOLUTION: A sanitary equipment member includes: a base material in which at least its surface includes a metal element; a metal oxide layer which is formed on the surface of the base m...

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Hauptverfasser: UKIGAI SAORI, HIJIKATA RYOJIRO, KOGA RYO
Format: Patent
Sprache:eng ; jpn
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Zusammenfassung:To provide a sanitary equipment member which is excellent in easy stains removal characteristic and its persistence.SOLUTION: A sanitary equipment member includes: a base material in which at least its surface includes a metal element; a metal oxide layer which is formed on the surface of the base material; and an organic layer provided on the metal oxide layer, the metal element being at least one kind selected from a group composed of Cr, Ar and Ti, the metal oxide layer including at least the meta element and oxygen element, the organic layer being bonded with the metal oxide layer by that the metal element (M) is bonding (M-O-P bonding) with a phosphorus atom selected from at least one kind of group (X), a phosphonic acid group, a phosphate group and phosphonic acid group through an oxygen atom (O), and the group X being bonded with a group R, (R is a group having an atom other than carbon in a hydrocarbon group or one place or two in the hydrocarbon group.)SELECTED DRAWING: Figure 1 【課題】汚れの易除去性およびその持続性に優れた衛生設備部材を提供すること。【解決手段】少なくともその表面が金属元素を含む基材と、 前記基材の前記表面上に形成された金属酸化物層と、 前記金属酸化物層上に設けられた有機層とを含む衛生設備部材であって、 前記金属元素は、Cr、Zr、及びTiからなる群より選ばれる少なくとも1種であり、 前記金属酸化物層は、少なくとも前記金属元素と酸素元素を含み、 前記有機層は、前記金属元素(M)と、ホスホン酸基、リン酸基、及びホスフィン酸基から選ばれる少なくとも1種の基(X)のリン原子(P)とが酸素原子(O)を介して結合(M−O−P結合)することによって、前記金属酸化物層と結合し、基Xは基R(Rは炭化水素基または炭化水素基内の1ないし2個所に炭素以外の原子を有する基である。)と結合している、衛生設備部材。【選択図】図1