JP6014281B2 - 高弾性率および環境応力亀裂に対する耐性を有する高耐衝撃性ポリスチレン - Google Patents
高弾性率および環境応力亀裂に対する耐性を有する高耐衝撃性ポリスチレン Download PDFInfo
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- JP6014281B2 JP6014281B2 JP2015558357A JP2015558357A JP6014281B2 JP 6014281 B2 JP6014281 B2 JP 6014281B2 JP 2015558357 A JP2015558357 A JP 2015558357A JP 2015558357 A JP2015558357 A JP 2015558357A JP 6014281 B2 JP6014281 B2 JP 6014281B2
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- monovinyl aromatic
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- 150000002989 phenols Chemical class 0.000 description 1
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- 239000000049 pigment Substances 0.000 description 1
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- HJWLCRVIBGQPNF-UHFFFAOYSA-N prop-2-enylbenzene Chemical class C=CCC1=CC=CC=C1 HJWLCRVIBGQPNF-UHFFFAOYSA-N 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 229910000077 silane Inorganic materials 0.000 description 1
- 150000004760 silicates Chemical class 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 239000004945 silicone rubber Substances 0.000 description 1
- 150000003384 small molecules Chemical class 0.000 description 1
- 238000000527 sonication Methods 0.000 description 1
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- 239000011145 styrene acrylonitrile resin Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
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- 239000010409 thin film Substances 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
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- BIKXLKXABVUSMH-UHFFFAOYSA-N trizinc;diborate Chemical compound [Zn+2].[Zn+2].[Zn+2].[O-]B([O-])[O-].[O-]B([O-])[O-] BIKXLKXABVUSMH-UHFFFAOYSA-N 0.000 description 1
- 239000010456 wollastonite Substances 0.000 description 1
- 229910052882 wollastonite Inorganic materials 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L25/00—Compositions of, homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Compositions of derivatives of such polymers
- C08L25/02—Homopolymers or copolymers of hydrocarbons
- C08L25/04—Homopolymers or copolymers of styrene
- C08L25/06—Polystyrene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F279/00—Macromolecular compounds obtained by polymerising monomers on to polymers of monomers having two or more carbon-to-carbon double bonds as defined in group C08F36/00
- C08F279/02—Macromolecular compounds obtained by polymerising monomers on to polymers of monomers having two or more carbon-to-carbon double bonds as defined in group C08F36/00 on to polymers of conjugated dienes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L51/00—Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
- C08L51/04—Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers grafted on to rubbers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/06—Polymer mixtures characterised by other features having improved processability or containing aids for moulding methods
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/22—Mixtures comprising a continuous polymer matrix in which are dispersed crosslinked particles of another polymer
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Graft Or Block Polymers (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Polyesters Or Polycarbonates (AREA)
Description
モノビニル芳香族ホモポリマーおよびコポリマー(別々に総体として「高分子」または「コポリマー」と呼ばれる)は、米国特許第4,666,987号明細書、第4,572,819号明細書および第4,585,825号明細書に記載されているものなどのモノビニル芳香族モノマーの重合によって製造される。モノビニル芳香族高分子は、1種または複数のモノビニル芳香族モノマーを含み、本質的にこれからなり、または、完全にこれからなる。本発明の実施において使用される高分子およびコポリマーを製造するのに適するモノビニル芳香族モノマーは、好ましくは下記式のものである:
用途
試験法
分子量分布
膨潤指数
ゲル含有率
LAR=A DCM /A DMF
メルトフローレイト
引張特性
曲げ弾性率
シャルピー衝撃強さ
アイゾット衝撃強さ
ビカット軟化温度
熱変形温度
ゴム粒径
ESCR(環境応力亀裂に対する耐性)
ゴム濃度/組成
実施例
[1] 組成物であって、
i)前記組成物の合計重量に対して約90重量パーセント以上の剛直なモノビニル芳香族高分子マトリックス;および
ii)前記組成物の合計重量に対して約2から約7.5重量パーセントの1種または複数のエラストマー高分子を含むゴム変性モノビニル芳香族高分子を含み、
ここで、前記モノビニル芳香族高分子は1種または複数のモノビニル芳香族モノマーを含み、前記モノビニル芳香族高分子は、トウモロコシ油中の1%歪みで10日後の破断時の伸びにおける保持が約15%以上となるように十分な高分子量を有し、ここで、前記モノビニル芳香族高分子の分子量は、200,000g/mol以上の重量平均分子量を特徴とする組成物。
[2] 前記モノビニル芳香族高分子は、205,000g/mol以上の重量平均分子量および約2.0以上の多分散性指数を有する、上記態様1に記載の組成物。
[3] 前記エラストマー高分子は、前記モノビニル芳香族高分子マトリックス内に分散した、グラフト化され架橋されたゴム粒子として存在する、上記態様1または2に記載の組成物。
[4] 前記モノビニル芳香族高分子は2.3以上の多分散性指数を特徴とし、前記1種または複数のモノビニル芳香族モノマーはスチレンを含む、上記態様2または3に記載の組成物。
[5] 前記ゴム変性モノビニル芳香族高分子は、前記1種または複数のモノビニル芳香族モノマーを前記1種または複数のエラストマー高分子の存在下で重合した反応器ブレンドである、上記態様1から4のいずれかに記載の組成物。
[6] 前記モノビニル芳香族高分子は2.7以上の多分散性指数を特徴とする、上記態様1から5のいずれかに記載の組成物。
[7] 前記モノビニル芳香族高分子は、前記モノビニル芳香族高分子の合計重量に対して約60重量パーセント以上のスチレンを含む、上記態様1から6のいずれかに記載の組成物。
[8] 前記モノビニル芳香族高分子は約95重量パーセント以上のスチレンを含む、上記態様7に記載の組成物。
[9] 前記エラストマー高分子の濃度は、前記組成物が約1600MPa以上の引張弾性率を有するように十分に低い、上記態様7に記載の組成物。
[10] 前記エラストマー高分子の濃度は、前記組成物が約1700MPa以上の引張弾性率を有するように十分に低い、上記態様7に記載の組成物。
[11] 前記組成物は、前記組成物の合計重量に対して2重量パーセントを超える可塑剤を含む、上記態様1から10のいずれかに記載の組成物。
[12] 前記組成物は約0.5以上の吸光度比を有する、上記態様7に記載の組成物。
[13] 前記組成物は約0.75以下の吸光度比を有する、上記態様12に記載の組成物。
[14] 前記モノビニル芳香族高分子は、約360,000g/mol以上のz−平均分子量を特徴とする、上記態様1から13のいずれかに記載の組成物。
[15] 前記エラストマー高分子の濃度は、前記組成物の合計重量に対して7.1重量パーセント以下である、上記態様1から14のいずれかに記載の組成物。
[16] 前記エラストマー高分子の濃度は組成物の合計重量に対して約4重量パーセント以上である、上記態様1から15のいずれかに記載の組成物。
[17] 前記エラストマー高分子は、前記エラストマー高分子の合計重量に対して少なくとも75重量パーセントのブタジエンモノマーを含む、上記態様16に記載の組成物。
[18] 上記態様1から17のいずれかに記載の組成物を含む冷蔵庫ライナー。
[19] 前記冷蔵庫ライナーは、トウモロコシ油中に1%歪みで10日後に破断時の伸びにおける約15%以上の保持によって決定されたESCR性能を特徴とする、上記態様18に記載の冷蔵庫ライナー。
[20] 上記態様1から17のいずれかに記載の組成物を使用して、冷蔵庫ライナーを押出および/または熱成形するステップを含む工程。
Claims (15)
- 組成物であって、
i)前記組成物の合計重量に対して90重量パーセント以上の剛直なモノビニル芳香族高分子マトリックス;および
ii)前記組成物の合計重量に対して2から7.5重量パーセントの1種または複数のエラストマー高分子であって、架橋されており体積平均直径6μm〜30μmを有する、エラストマー高分子、
を含むゴム変性モノビニル芳香族高分子、ならびに
前記組成物の合計重量に対して2重量パーセント超から8重量パーセントの鉱油;
を含み、
ここで、前記モノビニル芳香族高分子は1種または複数のモノビニル芳香族モノマーを含み、前記モノビニル芳香族高分子は、トウモロコシ油中の1%歪みで10日後の破断時の伸びにおける保持が15%以上となるように十分な高分子量を有し、
ここで、前記モノビニル芳香族高分子の分子量は、200,000g/mol以上の重量平均分子量を特徴とし、前記モノビニル芳香族高分子の分子量分布は、2.7以上の多分散性指数を特徴とする組成物。 - 前記モノビニル芳香族高分子は、205,000g/mol以上の重量平均分子量およびトウモロコシ油中の1%歪みで10日後の破断時の伸びにおける保持30%以上を有する、請求項1に記載の組成物。
- 前記エラストマー高分子は、前記モノビニル芳香族高分子マトリックス内に分散した、グラフト化され架橋されたゴム粒子として存在する、請求項1または2に記載の組成物。
- 前記1種または複数のモノビニル芳香族モノマーはスチレンを含み、前記モノビニル芳香族高分子は3.0以上の多分散性指数を有する、請求項2または3に記載の組成物。
- 前記ゴム変性モノビニル芳香族高分子は、前記1種または複数のモノビニル芳香族モノマーを前記1種または複数のエラストマー高分子の存在下で重合した反応器ブレンドである、請求項1から4のいずれかに記載の組成物。
- 前記モノビニル芳香族高分子の分子量分布は、3.0以上の多分散性指数を特徴とし、前記モノビニル芳香族高分子は、360,000g/mol以上のz−平均分子量を特徴とする、請求項1から5のいずれかに記載の組成物。
- 前記モノビニル芳香族高分子は、前記モノビニル芳香族高分子の合計重量に対して60重量パーセント以上のスチレンを含む、請求項1から6のいずれかに記載の組成物。
- 前記エラストマー高分子の濃度は、前記組成物が1600MPa以上の引張弾性率を有するように十分に低い、請求項7に記載の組成物。
- 前記組成物は、前記組成物の合計重量に対して2重量パーセントを超える可塑剤を含む、請求項1から8のいずれかに記載の組成物。
- 前記組成物は0.5〜0.8の吸光度比を有する、請求項7に記載の組成物。
- 前記エラストマー高分子の濃度は、前記組成物の合計重量に対して4重量パーセント〜7.1重量パーセントであり、前記エラストマー高分子は平均直径6μm〜15μmを有する、請求項1から10のいずれかに記載の組成物。
- 前記エラストマー高分子は、前記エラストマー高分子の合計重量に対して少なくとも75重量パーセントのブタジエンモノマーを含む、請求項11に記載の組成物。
- 請求項1から12のいずれかに記載の組成物を含む冷蔵庫ライナー。
- 前記冷蔵庫ライナーは、トウモロコシ油中に1%歪みで10日後に破断時の伸びにおける15%以上の保持によって決定されたESCR性能を特徴とする、請求項13に記載の冷蔵庫ライナー。
- 請求項1から12のいずれかに記載の組成物を使用して、冷蔵庫ライナーを押出および/または熱成形するステップを含む方法。
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DE2525019B1 (de) | 1975-06-05 | 1975-12-04 | Basf Ag | Schlagfeste thermoplastische Formmassen mit erhoehter Spannungsrissbestaendigkeit |
US4572819A (en) | 1983-08-24 | 1986-02-25 | The Dow Chemical Company | Apparatus for anionic polymerization wherein the molecular weight of the polymer is closely controlled |
US4585825A (en) | 1983-09-30 | 1986-04-29 | The Dow Chemical Company | Monovinylidene aromatic polymer resins having added amounts of high molecular weight polymer |
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US20040001962A1 (en) * | 1995-10-25 | 2004-01-01 | Reddy B. Raghava | Monovinylaromatic polymer with improved stress crack resistance |
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US9453125B2 (en) | 2016-09-27 |
BR112015018394A2 (pt) | 2017-07-18 |
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