JP2015536371A - 電子デバイスのための成形およびオーバーモールド組成物 - Google Patents
電子デバイスのための成形およびオーバーモールド組成物 Download PDFInfo
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- JP2015536371A JP2015536371A JP2015540709A JP2015540709A JP2015536371A JP 2015536371 A JP2015536371 A JP 2015536371A JP 2015540709 A JP2015540709 A JP 2015540709A JP 2015540709 A JP2015540709 A JP 2015540709A JP 2015536371 A JP2015536371 A JP 2015536371A
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- ULDDEWDFUNBUCM-UHFFFAOYSA-N pentyl prop-2-enoate Chemical compound CCCCCOC(=O)C=C ULDDEWDFUNBUCM-UHFFFAOYSA-N 0.000 description 1
- PNJWIWWMYCMZRO-UHFFFAOYSA-N pent‐4‐en‐2‐one Natural products CC(=O)CC=C PNJWIWWMYCMZRO-UHFFFAOYSA-N 0.000 description 1
- 230000002085 persistent effect Effects 0.000 description 1
- 238000005191 phase separation Methods 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920003223 poly(pyromellitimide-1,4-diphenyl ether) Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 150000003097 polyterpenes Chemical class 0.000 description 1
- 238000004382 potting Methods 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- NHARPDSAXCBDDR-UHFFFAOYSA-N propyl 2-methylprop-2-enoate Chemical compound CCCOC(=O)C(C)=C NHARPDSAXCBDDR-UHFFFAOYSA-N 0.000 description 1
- 238000010526 radical polymerization reaction Methods 0.000 description 1
- 150000003254 radicals Chemical class 0.000 description 1
- 238000000518 rheometry Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000005049 silicon tetrachloride Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000600 sorbitol Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000003784 tall oil Substances 0.000 description 1
- 229920001897 terpolymer Polymers 0.000 description 1
- SJMYWORNLPSJQO-UHFFFAOYSA-N tert-butyl 2-methylprop-2-enoate Chemical compound CC(=C)C(=O)OC(C)(C)C SJMYWORNLPSJQO-UHFFFAOYSA-N 0.000 description 1
- ISXSCDLOGDJUNJ-UHFFFAOYSA-N tert-butyl prop-2-enoate Chemical compound CC(C)(C)OC(=O)C=C ISXSCDLOGDJUNJ-UHFFFAOYSA-N 0.000 description 1
- 238000002076 thermal analysis method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- RRLMGCBZYFFRED-UHFFFAOYSA-N undecyl prop-2-enoate Chemical compound CCCCCCCCCCCOC(=O)C=C RRLMGCBZYFFRED-UHFFFAOYSA-N 0.000 description 1
- 229920001567 vinyl ester resin Polymers 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 239000001993 wax Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
- 238000004383 yellowing Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/12—Moulds or cores; Details thereof or accessories therefor with incorporated means for positioning inserts, e.g. labels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/0001—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor characterised by the choice of material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14065—Positioning or centering articles in the mould
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14639—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles for obtaining an insulating effect, e.g. for electrical components
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
- B32B27/308—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising acrylic (co)polymers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L53/00—Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2033/00—Use of polymers of unsaturated acids or derivatives thereof as moulding material
- B29K2033/04—Polymers of esters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2033/00—Use of polymers of unsaturated acids or derivatives thereof as moulding material
- B29K2033/04—Polymers of esters
- B29K2033/08—Polymers of acrylic acid esters, e.g. PMA, i.e. polymethylacrylate
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2033/00—Use of polymers of unsaturated acids or derivatives thereof as moulding material
- B29K2033/04—Polymers of esters
- B29K2033/12—Polymers of methacrylic acid esters, e.g. PMMA, i.e. polymethylmethacrylate
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/34—Electrical apparatus, e.g. sparking plugs or parts thereof
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/23—Sheet including cover or casing
Landscapes
- Mechanical Engineering (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Medicinal Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Polyesters Or Polycarbonates (AREA)
Abstract
Description
(式中、[A]は、約30℃より高いTgを有する硬質ブロックモノマーであり、[B]は、約20℃未満のTgを有する軟質ブロックモノマーであり、コポリマーは、[A]モノマーを35wt%より多く含む)と(2)粘着付与樹脂を含む、オーバーモールド組成物に対する。オーバーモールド組成物は、ASTM D3236に従って測定される、210℃で75,000cP未満の粘度および25℃で1×107ダイン/cm2より大きいモジュラスを有する。
(式中、[A]は、約30℃より高いTgを有する硬質ブロックモノマーであり、[B]は、約20℃未満のTgを有する軟質ブロックモノマーであり、コポリマーは、[A]モノマーを35wt%より多く含む)、(2)粘着付与樹脂、ならびに(3)ベンゾトリアゾール、トリアジンおよびベンゾフェノンからなる群から選択されるUV吸収剤、約0.05から約5wt%を含む。オーバーモールド組成物は、ASTM D6090に従って測定される、135℃より高い軟化点を有する。
(式中、[A]は、約30℃より高いTgを有する硬質ブロックモノマーであり、[B]は、約20℃未満のTgを有する軟質ブロックモノマーであり、コポリマーは、[A]モノマーを35wt%より多く含む)、粘着付与樹脂、ならびにベンゾトリアゾール、トリアジンおよびベンゾフェノンからなる群から選択されるUV吸収剤、0.05から約5wt%を含む、オーバーモールド組成物を調製するステップ;(b)150バール未満の圧力で、電子部品にオーバーモールド組成物を適用するステップ;ならびに(c)オーバーモールド組成物を冷却するステップを含む。
(式中、[A]は、約30℃より高いTgを有する硬質ブロックモノマーであり、[B]は、約20℃未満のTgを有する軟質ブロックモノマーであり、コポリマーは、[A]モノマーを35wt%より多く含む)および(2)粘着付与樹脂を含む。本発明のオーバーモールド組成物は、電子部品のための低圧成形にとってそれらを有用にする、独特の特色を示す。高透過率、低い色、UV安定性および耐熱サイクル性などの特色によって、成形用およびオーバーモールド組成物は、壊れやすい部品を含有する照明または電子デバイスによく適している。
式中、R1、R2、R4=H、C1〜C20の脂肪族、脂環式または芳香族であり、式中、R3は、Hではない。一つの好ましい実施形態において、R3は、C1〜C20の脂肪族、脂環式または芳香族である。
Claims (24)
- 1)[A]−[B]−[A]コポリマー
(式中、[A]は、約30℃より高いTgを有する硬質ブロックモノマーであり、[B]は、約20℃未満のTgを有する軟質ブロックモノマーであり、前記コポリマーは、前記[A]モノマーを35wt%より多く含む)と、
2)粘着付与樹脂と
を含む、オーバーモールド組成物であって、
前記組成物が、ASTM D3236に従って測定される、210℃で75,000cP未満の粘度を有し、
前記組成物のモジュラスが、25℃で1×107ダイン/cm2より大きく、
前記wt%が、前記組成物の全重量に対するものである、
オーバーモールド組成物。 - 前記[A]モノマーが、メタクリル酸エチル、アクリル酸イソボルニル、メタクリル酸イソボルニル、メタクリル酸シクロヘキシル、(メタ)アクリル酸メチルおよびそれらの混合物からなる群から選択される、請求項1に記載のオーバーモールド組成物。
- 前記[B]モノマーが、アクリル酸n−ブチル、アクリル酸2−エチルヘキシル、アクリル酸イソオクチルおよびそれらの混合物からなる群から選択される、請求項1に記載のオーバーモールド組成物。
- 前記[A]モノマーが、(メタ)アクリル酸メチルであり、前記[B]モノマーが、アクリル酸n−ブチルである、請求項1に記載のオーバーモールド組成物。
- 前記粘着付与樹脂が、α−メチルスチレン、ロジンエステル、水素化および/または不均化ロジンエステル、スチレン化テルペン、テルペンフェノール、脂肪族変性芳香族樹脂ならびにそれらの混合物からなる群から選択される、請求項1に記載のオーバーモールド組成物。
- 約20,000Da未満の平均分子量を有するエンドブロック粘着付与樹脂をさらに含む、請求項1に記載のオーバーモールド組成物。
- 前記エンドブロック粘着付与樹脂が、ポリメタクリル酸メチルである、請求項6に記載のオーバーモールド組成物。
- ベンゾトリアゾール、トリアジンおよびベンゾフェノンからなる群から選択されるUV吸収剤、約0.05から約5wt%をさらに含む、請求項1に記載のオーバーモールド組成物。
- 前記UV安定剤が、ベンゾトリアゾールである、請求項1に記載のオーバーモールド組成物。
- 前記ベンゾトリアゾールが、ヒドロキシフェニルベンゾトリアゾールである、請求項9に記載のオーバーモールド組成物。
- ヒンダードアミン光安定剤、約0.05から約5wt%をさらに含む、請求項1に記載のオーバーモールド組成物。
- 抗酸化剤、粘度調整剤、着色剤、賦形剤、消泡剤、可塑剤、離型剤または帯電防止剤をさらに含む、請求項1に記載のオーバーモールド組成物。
- 電子部品およびオーバーモールド組成物を含む物品であって、
前記オーバーモールド組成物が、
1)[A]−[B]−[A]コポリマー
(式中、[A]は、約30℃より高いTgを有する硬質ブロックモノマーであり、[B]は、約20℃未満のTgを有する軟質ブロックモノマーであり、前記コポリマーは、前記[A]モノマーを35wt%より多く含む)と、
2)粘着付与樹脂と、
3)ベンゾトリアゾール、トリアジンおよびベンゾフェノンからなる群から選択されるUV吸収剤、約0.05から約5wt%
を含み、
前記wt%が、前記組成物の全重量に対するものであり、
前記組成物の軟化点が、ASTM D6090に従って測定される、135℃より高いものである、
物品。 - 前記[A]モノマーが、(メタ)アクリル酸メチルであり、前記[B]モノマーが、アクリル酸n−ブチルである、請求項13に記載の物品。
- 前記UV安定剤が、ベンゾトリアゾールである、請求項13に記載の物品。
- 前記ベンゾトリアゾールが、ヒドロキシフェニルベンゾトリアゾールである、請求項15に記載の物品。
- ヒンダードアミン光安定剤、約0.05から約5wt%をさらに含む、請求項13に記載の物品。
- 光学デバイス、LED含有デバイスまたはライトガイドである、請求項13に記載の物品。
- 前記オーバーモールド組成物が、電子部品を包み込んでいる、請求項13に記載の物品。
- 前記組成物が、2nmのスリットおよび走査速度240nm/分で、ASTM D1003に従って測定される、550nmで85%より大きい透過率を有する、請求項13に記載の物品。
- オーバーモールド組成物が、ASTM G154に従って、UVA−340電球を使用するQUVチャンバーにおいて、UV光への暴露3000時間後、2mmの厚さについて、8未満の色(b値)を有する、請求項13に記載の物品。
- (a)
1)[A]−[B]−[A]コポリマー
(式中、[A]は、約30℃より高いTgを有する硬質ブロックモノマーであり、[B]は、約20℃未満のTgを有する軟質ブロックモノマーであり、前記コポリマーは、前記[A]モノマーを35wt%より多く含む)と、
2)粘着付与樹脂と、
3)ベンゾトリアゾール、トリアジンおよびベンゾフェノンからなる群から選択されるUV吸収剤、約0.05から約5wt%
を含み、
前記wt%が、前記組成物の全重量に対するものである、
オーバーモールド組成物を調製するステップ、
(b)150バール未満の圧力で、前記オーバーモールド組成物を電子部品に適用するステップ、ならびに
(c)前記オーバーモールド組成物を冷却するステップ
を含む、電子部品上にオーバーモールドを形成する方法。 - 前記オーバーモールド組成物が、120バール未満の圧力で適用される、請求項22に記載の方法。
- 前記オーバーモールド組成物が、60バール未満の圧力で適用される、請求項23に記載の方法。
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US13/804,811 US9127153B2 (en) | 2012-11-02 | 2013-03-14 | Molding and overmolding compositions for electronic devices |
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JP2021038392A (ja) * | 2015-09-29 | 2021-03-11 | 協立化学産業株式会社 | 相溶組成物、接着剤組成物、複合構造物並びに複合構造物の製造方法及び解体方法 |
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US9127153B2 (en) | 2015-09-08 |
CN104755553B (zh) | 2016-11-02 |
TW201430038A (zh) | 2014-08-01 |
EP2914660B1 (en) | 2019-07-24 |
JP6226996B2 (ja) | 2017-11-08 |
KR101595712B1 (ko) | 2016-02-18 |
EP2914660A1 (en) | 2015-09-09 |
TWI600696B (zh) | 2017-10-01 |
US20140127445A1 (en) | 2014-05-08 |
CN104755553A (zh) | 2015-07-01 |
RU2597606C1 (ru) | 2016-09-10 |
BR112015009816A2 (pt) | 2017-07-11 |
US20160031134A1 (en) | 2016-02-04 |
KR20150069030A (ko) | 2015-06-22 |
EP2914660A4 (en) | 2016-07-20 |
US9415532B2 (en) | 2016-08-16 |
WO2014070541A1 (en) | 2014-05-08 |
ES2748055T3 (es) | 2020-03-12 |
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