JP6899379B2 - イオン性コポリマーコアを含む耐久性のある再帰反射素子 - Google Patents
イオン性コポリマーコアを含む耐久性のある再帰反射素子 Download PDFInfo
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- JP6899379B2 JP6899379B2 JP2018512307A JP2018512307A JP6899379B2 JP 6899379 B2 JP6899379 B2 JP 6899379B2 JP 2018512307 A JP2018512307 A JP 2018512307A JP 2018512307 A JP2018512307 A JP 2018512307A JP 6899379 B2 JP6899379 B2 JP 6899379B2
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- beads
- core
- ionic copolymer
- retroreflective
- glass
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Images
Classifications
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- G02B5/12—Reflex reflectors
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- G02B5/128—Reflex reflectors including curved refracting surface transparent spheres being embedded in matrix
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/08—Copolymers of ethene
- C08L23/0846—Copolymers of ethene with unsaturated hydrocarbons containing other atoms than carbon or hydrogen atoms
- C08L23/0869—Acids or derivatives thereof
- C08L23/0876—Neutralised polymers, i.e. ionomers
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D123/00—Coating compositions based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Coating compositions based on derivatives of such polymers
- C09D123/02—Coating compositions based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment
- C09D123/04—Homopolymers or copolymers of ethene
- C09D123/08—Copolymers of ethene
- C09D123/0846—Copolymers of ethene with unsaturated hydrocarbons containing other atoms than carbon or hydrogen atoms
- C09D123/0869—Acids or derivatives thereof
- C09D123/0876—Neutralised polymers, i.e. ionomers
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F9/00—Arrangement of road signs or traffic signals; Arrangements for enforcing caution
- E01F9/50—Road surface markings; Kerbs or road edgings, specially adapted for alerting road users
- E01F9/506—Road surface markings; Kerbs or road edgings, specially adapted for alerting road users characterised by the road surface marking material, e.g. comprising additives for improving friction or reflectivity; Methods of forming, installing or applying markings in, on or to road surfaces
- E01F9/524—Reflecting elements specially adapted for incorporation in or application to road surface markings
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/12—Reflex reflectors
- G02B5/126—Reflex reflectors including curved refracting surface
- G02B5/13—Reflex reflectors including curved refracting surface plural curved refracting elements forming part of a unitary body
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/12—Reflex reflectors
- G02B5/136—Reflex reflectors plural reflecting elements forming part of a unitary body
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- Physics & Mathematics (AREA)
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- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Polymers & Plastics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Materials Engineering (AREA)
- Road Signs Or Road Markings (AREA)
- Optical Elements Other Than Lenses (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Description
テーバー摩耗:ASTM D4060−14の「Standard Test Method for Abrasion Resistance of Organic Coatings by the Taber Abraser」に記載されている手順に従って、テーバー摩耗を試験した。約50gの比較用複合コアAをシリコーン剥離ライナー上に注いで平円板を形成し、次に、121℃で30分間にわたり硬化させた。176.7℃に加熱したプラテンプレス(PhiモデルPW−220H)を使用し、複合コア1〜3を圧して直径20cm、厚さおよそ3mmの平円板にした。次に、Taber Abraser(モデル5130、ニューヨーク州ノーストナワンダのTeledyne Taberから取得)での試験のために、円板を10cm四方の試料に切断し、中央に6mmの穴を開けた。CS−17ホイールを使用し、合計2000サイクルによって試料を試験した。結果をTaber Abraser摩滅指数として報告する。この指数が低いほど、材料の摩耗耐性が高い。
屈折率(R.I.)1.9を有するガラスビーズの調製
3M Scotchlite(商標)反射材8912銀色布地をマッフル炉内で30分間にわたり600℃に加熱し、取り出して室温に冷まし、ガラスビーズをふるい分けることによって、1.9の屈折率を有するガラスビーズを反射材から分離した。
比較用コアA
比較用コア材料は、概ね米国特許公開第2005/0100709号(Bescupら)の実施例1に記載されているように調製し、以降、比較用コアAと称す。
複合コア1〜2は、以下の表1に列記した成分(重量%)を二軸押出し成形機で混合することによって調製し、ペレタイザーでペレット化した。複合コア1〜2のそれぞれは、直径約1.5mm〜約2mmの最終的な直径、及びおよそ約2mm〜3mmの長さを有した。
複合コア3〜5は、以下の表1に列記した成分(重量%)を、Thermo ScientificのHAAKE PolyLab QC Modular Torque Rheometerに取り付けたローラーロータを用いて計量ミキサにおいて200℃で混合することによって調製した。混合されたコア材料はミキサから取り出し、加圧のために取っておいた。
(付記)
(付記1)
イオン性コポリマーを含むコアと、
複数のビーズとを含む、
反射素子。
(付記2)
前記コアが、イオン性コポリマーを一様に含む、付記1に記載の反射素子。
(付記3)
前記コアが、複合コアである、付記1又は2のいずれかに記載の反射素子。
(付記4)
前記複数のビーズが、前記複合コア全体に分散している、付記1〜3のいずれか一項に記載の反射素子。
(付記5)
前記複数のビーズが、前記コアの周辺部の一部分に配置されている、付記1〜4のいずれか一項に記載の反射素子。
(付記6)
前記複数のビーズが、前記コアの周辺部全体に配置されている、付記1〜5のいずれか一項に記載の反射素子。
(付記7)
前記コアが、実質的に球状である、付記1〜6のいずれか一項に記載の反射素子。
(付記8)
前記イオン性コポリマーが、ペンダント基部分としてポリマー主鎖に共有結合した15モルパーセント以下のイオン化単位を含む、付記1〜7のいずれか一項に記載の反射素子。
(付記9)
前記イオン性コポリマーが、イオンで架橋したエチレンメタクリル酸コポリマーである、付記1〜8のいずれか一項に記載の反射素子。
(付記10)
前記コアが、1種又は複数種の顔料を更に含む、付記1〜9のいずれか一項に記載の反射素子。
(付記11)
前記ビーズが、ガラスビーズ又はガラスセラミックビーズである、付記1〜10のいずれか一項に記載の反射素子。
(付記12)
前記ビーズが、1.5〜2.6の範囲の平均屈折率を有する、付記1〜11のいずれか一項に記載の反射素子。
(付記13)
前記ビーズが、30〜200マイクロメートルの範囲の平均直径を有する、付記1〜12のいずれか一項に記載の反射素子。
(付記14)
複数の第2のビーズを更に含む、付記1〜13のいずれか一項に記載の反射素子。
(付記15)
前記第2のビーズが、前記周辺部の一部分に沿って配置されている、付記1〜14のいずれか一項に記載の反射素子。
(付記16)
前記コアの周辺部全体に配置された複数の第2のビーズを更に含む、付記1〜15のいずれか一項に記載の反射素子。
(付記17)
前記第2のビーズが、前記コアの前記イオン性コポリマー全体に分散している、付記1〜16のいずれか一項に記載の反射素子。
(付記18)
前記第2のビーズが、ガラスビーズ又はガラスセラミックビーズである、付記1〜17のいずれか一項に記載の反射素子。
(付記19)
前記第2のビーズが、1.5〜2.6の範囲の第2の屈折率を有する、付記1〜18のいずれか一項に記載の反射素子。
(付記20)
前記第2のビーズが、30〜200マイクロメートルの範囲の平均直径を有する、付記1〜19のいずれか一項に記載の反射素子。
(付記21)
前記ビーズが、第1の屈折率を有し、前記第2のビーズが、前記第1の屈折率と異なる第2の屈折率を有する、付記1〜20のいずれか一項に記載の反射素子。
(付記22)
前記ビーズが、前記イオン性コポリマー、軟化材、又は接着剤のうちの1つによって前記コアの周辺部に固着されている、付記1〜21のいずれか一項に記載の反射素子。
(付記23)
前記反射素子が、接着剤、塗料、樹脂によって基材に固定されている、付記1〜22のいずれか一項に記載の反射素子。
Claims (3)
- 周辺部を有する本体によって画定されるコアと、
前記コアの前記周辺部の少なくとも一部の周囲に配置された複数の第1のビーズとを含み、
前記コアは、イオン性コポリマーと、前記コアの前記本体にわたって分散された、大きさ、組成、又は、屈折率の少なくとも1つが前記第1のビーズと異なる複数の第2のビーズと、を含む複合コアであり、
前記第1及び第2のビーズは、ガラスビーズ又はガラスセラミックビーズである、
再帰反射反射素子。 - 前記イオン性コポリマーが、ペンダント基部分としてポリマー主鎖に共有結合した15モルパーセント以下のイオン化単位を含む、請求項1記載の再帰反射反射素子。
- 前記イオン性コポリマーが、イオンで架橋したエチレンメタクリル酸コポリマーである、請求項1記載の再帰反射反射素子。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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US201562217500P | 2015-09-11 | 2015-09-11 | |
US62/217,500 | 2015-09-11 | ||
PCT/US2016/050411 WO2017044425A1 (en) | 2015-09-11 | 2016-09-06 | Durable retroreflective elements with an ionic copolymer core |
Publications (3)
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JP2018528477A JP2018528477A (ja) | 2018-09-27 |
JP2018528477A5 JP2018528477A5 (ja) | 2019-10-17 |
JP6899379B2 true JP6899379B2 (ja) | 2021-07-07 |
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JP2018512307A Active JP6899379B2 (ja) | 2015-09-11 | 2016-09-06 | イオン性コポリマーコアを含む耐久性のある再帰反射素子 |
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US (1) | US11353640B2 (ja) |
EP (1) | EP3347747B1 (ja) |
JP (1) | JP6899379B2 (ja) |
CN (1) | CN108027463B (ja) |
WO (1) | WO2017044425A1 (ja) |
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- 2016-09-06 WO PCT/US2016/050411 patent/WO2017044425A1/en active Application Filing
- 2016-09-06 CN CN201680052702.1A patent/CN108027463B/zh active Active
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US20200241180A1 (en) | 2020-07-30 |
CN108027463A (zh) | 2018-05-11 |
JP2018528477A (ja) | 2018-09-27 |
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