JP7376860B2 - 通気性と防水性のある多層構造のレザー材料とそのレザー材料で形成された製品 - Google Patents
通気性と防水性のある多層構造のレザー材料とそのレザー材料で形成された製品 Download PDFInfo
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- JP7376860B2 JP7376860B2 JP2019114446A JP2019114446A JP7376860B2 JP 7376860 B2 JP7376860 B2 JP 7376860B2 JP 2019114446 A JP2019114446 A JP 2019114446A JP 2019114446 A JP2019114446 A JP 2019114446A JP 7376860 B2 JP7376860 B2 JP 7376860B2
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- Chemical & Material Sciences (AREA)
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Description
A層:通気性を上げる為に小孔を有する天然レザー層又はコラーゲン・レザー層
B層:水の通過/透過を阻止するが空気は通す通気性と防水性がある材料層
11:細小孔(小孔)
12:表面コーティング
20:通気性と防水性のある材料層
30:強化層
40:加熱用抵抗体
Claims (13)
- 通気性と防水性のある多層構造レザー材料において、
通気性を上げる為に小孔(11)を有する天然レザー製又はコラーゲン・レザー製の層(以下「レザー層(10))と称する。)と、
水分の通過を阻止する防水性と空気を通す通気性の両方を有する材料層(20)と、
前記レザー層(10)と材料層(20)との間に非積層構造状に配置され、両層を接着する加水分解耐性を有する接着剤と
を有し、
前記レザー層(10)内部には、疎水性剤が浸透又は含浸されて疎水性特性が付与され、その結果、前記小孔(11)を介した水の吸収を阻止する
ことを特徴とする通気性と防水性のある多層構造レザー材料。 - 前記疎水性剤は、シリコン・エステルである
ことを特徴とする請求項1記載の多層構造レザー材料。 - 前記レザー層(10)は、前記材料層(20)が接着されている面とは反対の面に、表面コーティング(12)を有する
ことを特徴とする請求項1又は2記載の多層構造レザー材料。 - 前記表面コーティング(12)は、ポリウレタン・ワニスを有する
ことを特徴とする請求項3記載の多層構造レザー材料。 - 前記レザー層(10)は、グラフェン-ベースのドーピング剤と赤外線反射剤の少なくとも一方でコーティングされている
ことを特徴とする請求項1-4のいずれかに記載の多層構造レザー材料。 - 強化層(30)を更に有し、前記強化層(30)は、加水分解耐性を有する手段で、非積層構造となるよう接着された防水性と通気性のある材料製であり、
前記材料層(20)は、前記レザー層(10)と前記強化層(30)との間にある
ことを特徴とする請求項1-5のいずれかに記載の多層構造レザー材料。 - 3Dファブリック層を更に有し、前記3Dファブリック層は、加水分解耐性を有する手段で、非積層構造となるよう接着された水は吸収しないが通気性のある材料製であり、
前記材料層(20)は、前記レザー層(10)と前記3Dファブリック層との間にある
ことを特徴とする請求項1-5のいずれかに記載の多層構造レザー材料。 - 加熱用抵抗体(40)が、前記複数の層の間のいずれかに挿入されており、電源に接続されている
ことを特徴とする請求項1-7記載の多層構造レザー材料。 - 前記接着剤は、水分又は湿分に接触しても劣化しない
ことを特徴とする請求項7-8のいずれかに記載の多層構造レザー材料。 - 前記レザー層(10)は赤外線反射剤でコーティングされている
ことを特徴とする請求項1-9のいずれかに記載の多層構造レザー材料。 - (a)前記レザー層(10)の吸収性能は、前記疎水性剤で浸透又は含浸されていない同等のレザー層のそれに比較し10%以下であること、
(b)前記レザー層(10)の毛細管吸収性能は、前記疎水性剤で浸透又は含浸されていない同等のレザー層のそれに比較し1cm/h以下であること、
(c)前記材料層(20)は、475g/m 2 以上の蒸気透過率性能を有すること、
(d)前記材料層(20)は、少なくとも2分間は、700g/cm 2 以上の水圧耐性を有すること、の内の少なくとも1つの性能を有する
ことを特徴とする請求項1-10のいずれかに記載の多層構造レザー材料。 - 請求項1-11のいずれかに記載の多層構造レザー材料を含むバッグ、財布、スーツケース、室内装飾品、衣服、衣服のいずれかである多層構造レザー製品。
- 前記レザー製品はシームを有し、前記シームは、前記シームの上部に接着された防水性の接着テープでシールされている
ことを特徴とする請求項12に記載の多層構造レザー製品。
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