CN1340569A - 振动阻尼硅氧烷组合物 - Google Patents
振动阻尼硅氧烷组合物 Download PDFInfo
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- CN1340569A CN1340569A CN01124478A CN01124478A CN1340569A CN 1340569 A CN1340569 A CN 1340569A CN 01124478 A CN01124478 A CN 01124478A CN 01124478 A CN01124478 A CN 01124478A CN 1340569 A CN1340569 A CN 1340569A
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- 239000000203 mixture Substances 0.000 title claims abstract description 59
- 238000013016 damping Methods 0.000 title claims abstract description 16
- KPUWHANPEXNPJT-UHFFFAOYSA-N disiloxane Chemical class [SiH3]O[SiH3] KPUWHANPEXNPJT-UHFFFAOYSA-N 0.000 title claims description 11
- 239000002245 particle Substances 0.000 claims abstract description 68
- 239000000843 powder Substances 0.000 claims abstract description 50
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- 229910010272 inorganic material Inorganic materials 0.000 claims abstract description 16
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- WRIDQFICGBMAFQ-UHFFFAOYSA-N (E)-8-Octadecenoic acid Natural products CCCCCCCCCC=CCCCCCCC(O)=O WRIDQFICGBMAFQ-UHFFFAOYSA-N 0.000 description 2
- LQJBNNIYVWPHFW-UHFFFAOYSA-N 20:1omega9c fatty acid Natural products CCCCCCCCCCC=CCCCCCCCC(O)=O LQJBNNIYVWPHFW-UHFFFAOYSA-N 0.000 description 2
- QSBYPNXLFMSGKH-UHFFFAOYSA-N 9-Heptadecensaeure Natural products CCCCCCCC=CCCCCCCCC(O)=O QSBYPNXLFMSGKH-UHFFFAOYSA-N 0.000 description 2
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 2
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- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 2
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- OYHQOLUKZRVURQ-HZJYTTRNSA-N Linoleic acid Chemical compound CCCCC\C=C/C\C=C/CCCCCCCC(O)=O OYHQOLUKZRVURQ-HZJYTTRNSA-N 0.000 description 2
- TUNFSRHWOTWDNC-UHFFFAOYSA-N Myristic acid Natural products CCCCCCCCCCCCCC(O)=O TUNFSRHWOTWDNC-UHFFFAOYSA-N 0.000 description 2
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- ZQPPMHVWECSIRJ-UHFFFAOYSA-N Oleic acid Natural products CCCCCCCCC=CCCCCCCCC(O)=O ZQPPMHVWECSIRJ-UHFFFAOYSA-N 0.000 description 2
- 235000021355 Stearic acid Nutrition 0.000 description 2
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 2
- 229910052783 alkali metal Inorganic materials 0.000 description 2
- 125000000217 alkyl group Chemical group 0.000 description 2
- CUXYLFPMQMFGPL-SUTYWZMXSA-N all-trans-octadeca-9,11,13-trienoic acid Chemical compound CCCC\C=C\C=C\C=C\CCCCCCCC(O)=O CUXYLFPMQMFGPL-SUTYWZMXSA-N 0.000 description 2
- 229940114079 arachidonic acid Drugs 0.000 description 2
- 235000021342 arachidonic acid Nutrition 0.000 description 2
- 229910052791 calcium Inorganic materials 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- UKMSUNONTOPOIO-UHFFFAOYSA-N docosanoic acid Chemical compound CCCCCCCCCCCCCCCCCCCCCC(O)=O UKMSUNONTOPOIO-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- XMHIUKTWLZUKEX-UHFFFAOYSA-N hexacosanoic acid Chemical compound CCCCCCCCCCCCCCCCCCCCCCCCCC(O)=O XMHIUKTWLZUKEX-UHFFFAOYSA-N 0.000 description 2
- IPCSVZSSVZVIGE-UHFFFAOYSA-N hexadecanoic acid Chemical compound CCCCCCCCCCCCCCCC(O)=O IPCSVZSSVZVIGE-UHFFFAOYSA-N 0.000 description 2
- 239000003112 inhibitor Substances 0.000 description 2
- QXJSBBXBKPUZAA-UHFFFAOYSA-N isooleic acid Natural products CCCCCCCC=CCCCCCCCCC(O)=O QXJSBBXBKPUZAA-UHFFFAOYSA-N 0.000 description 2
- 235000012204 lemonade/lime carbonate Nutrition 0.000 description 2
- 239000006028 limestone Substances 0.000 description 2
- 229960004232 linoleic acid Drugs 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 2
- 229920001778 nylon Polymers 0.000 description 2
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 2
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 2
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 description 2
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 235000012239 silicon dioxide Nutrition 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 239000008117 stearic acid Substances 0.000 description 2
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 description 2
- 235000010215 titanium dioxide Nutrition 0.000 description 2
- 125000003903 2-propenyl group Chemical group [H]C([*])([H])C([H])=C([H])[H] 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- 239000004925 Acrylic resin Substances 0.000 description 1
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical class CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 1
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 1
- 239000003570 air Substances 0.000 description 1
- 150000001335 aliphatic alkanes Chemical class 0.000 description 1
- 125000003342 alkenyl group Chemical group 0.000 description 1
- 125000003545 alkoxy group Chemical group 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 1
- 125000004369 butenyl group Chemical group C(=CCC)* 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- YACLQRRMGMJLJV-UHFFFAOYSA-N chloroprene Chemical compound ClC(=C)C=C YACLQRRMGMJLJV-UHFFFAOYSA-N 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
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- 150000001875 compounds Chemical class 0.000 description 1
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- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000012676 equilibrium polymerization Methods 0.000 description 1
- 125000002573 ethenylidene group Chemical group [*]=C=C([H])[H] 0.000 description 1
- XEKOWRVHYACXOJ-UHFFFAOYSA-N ethyl acetate Substances CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
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- 125000001188 haloalkyl group Chemical group 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- WACXCOZRFBMJOX-UHFFFAOYSA-N hydroxy(2-methylprop-1-enylsilyloxy)silane Chemical compound CC(=C[SiH2]O[SiH2]O)C WACXCOZRFBMJOX-UHFFFAOYSA-N 0.000 description 1
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- GKAOGPIIYCISHV-UHFFFAOYSA-N neon atom Chemical compound [Ne] GKAOGPIIYCISHV-UHFFFAOYSA-N 0.000 description 1
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- 239000011368 organic material Substances 0.000 description 1
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- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
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- 229920002857 polybutadiene Polymers 0.000 description 1
- 229920001707 polybutylene terephthalate Polymers 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
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- 230000008569 process Effects 0.000 description 1
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- 239000010409 thin film Substances 0.000 description 1
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- 125000003944 tolyl group Chemical group 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 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
- C08L83/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon only; Compositions of derivatives of such polymers
- C08L83/04—Polysiloxanes
-
- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/01—Use of inorganic substances as compounding ingredients characterized by their specific function
-
- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
- C08G77/04—Polysiloxanes
-
- 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
- C08K2201/00—Specific properties of additives
- C08K2201/013—Additives applied to the surface of polymers or polymer particles
-
- 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
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
- Y10T428/2984—Microcapsule with fluid core [includes liposome]
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- 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
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
- Y10T428/2984—Microcapsule with fluid core [includes liposome]
- Y10T428/2985—Solid-walled microcapsule from synthetic polymer
-
- 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
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
- Y10T428/2984—Microcapsule with fluid core [includes liposome]
- Y10T428/2985—Solid-walled microcapsule from synthetic polymer
- Y10T428/2987—Addition polymer from unsaturated monomers only
-
- 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
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
- Y10T428/2991—Coated
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- 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)
Abstract
一种具有优良的长时间贮存稳定性和振动阻尼的振动阻尼硅氧烷组合物,含有作为组分的(A)硅油、(B)具有承载在其表面上的无机材料粉末的有机树脂中空颗粒,和(C)固体无机材料粉末。
Description
本发明涉及具有优良的振动阻尼和贮存稳定性的振动阻尼硅氧烷组合物。
使用含有硅油和填料的硅氧烷组合物作为振动阻尼材料是公知的,这是因为硅油具有低的粘度对温度依赖性和高可压缩性。这些材料已用作读取光学信号的装置如光盘和激光盘元件、读取磁信号的装置如磁盘和磁-光盘的装置中和精密测试装置中的振动阻尼元件。
为了改善振动阻尼和减少这些硅氧烷组合物的量,US5661203(1997,8,26)和US5840220(1998,11,24)教导使用其中将有机热塑性树脂的中空颗粒加入硅油的组合物。然而,包括该有机热塑性树脂中空颗粒的硅氧烷组合物具有如下缺点:随着时间推移,硅油和中空颗粒发生相分离,并且中空颗粒在组合物表面附聚。
因此,本发明的一个目的是提供在长时间内提供优良的贮存稳定性的振动阻尼硅氧烷组合物。
从下面的描述中本发明的这些和其它特征变得显而易见。
本发明涉及一种振动阻尼硅氧烷组合物,包括:
(A)100重量份硅油,
(B)0.1-50重量份具有承载在有机树脂中空颗粒的表面上的无机材料粉末的有机树脂中空颗粒,和
(C)1-300重量份无机材料粉末。
硅油组分(A)起作分散组分(B)和(C)的细固体颗粒的作用。(A)应是在室温下为液体的有机聚硅氧烷。在这些有机聚硅氧烷中可键合至硅原子的基团包括:烷基如甲基、乙基和丙基;链烯基如乙烯基、烯丙基和丁烯基;芳基如苯基和甲苯基;和卤代烷基如3,3,3-三氟丙基。一些基团可包括羟基或烷氧基如甲氧基和乙氧基。烷基、特别是甲基是最优选的,这是因为这些组合物具有可以忽略的粘度对温度的依赖性低和良好的贮存稳定性。
有机聚硅氧烷分子结构可以是线性、具有一些支化的线性、支化的、或环状的。优选线性结构。组分(A)在25℃的动态粘度应是100-1,000,000mm2/s,优选500-500,000mm2/s。这是因为当粘度低于100mm2/s时,组分(B)和(C)不会仍处于均匀分散状态;而高于1,000,000mm2/s,加工能力变差,且难以将组分(B)和(C)均匀分散在组分(A)中。一些适宜用作组分(A)的硅油是三甲基甲硅烷氧基封端的二甲基聚硅氧烷、二甲基乙烯基甲硅烷氧基封端的二甲基聚硅氧烷、硅烷醇封端的二甲基聚硅氧烷和三甲基甲硅烷氧基封端的二甲基聚硅氧烷/甲基苯基硅氧烷共聚物。
为改进组分(A)的长时间贮存稳定性和可靠性,其应包括不超过1000ppm具有低于约20个硅原子的有机聚氧烷低聚物。具有减少的低聚物含量的硅油可衍生自在普通平衡聚合后进行汽提的硅油。在汽提前,低聚物含量通常为10,000-40,000,但可通过将该油进行处理以进一步降低低聚物含量来把其量降低。除去低聚物的方法的一些例子包括在270-350℃和0.1-15mmHg的条件使用薄薄膜蒸发器操作;用包括醇如甲醇、乙醇、丙醇或丁醇,和酮如丙酮和甲乙酮的有机溶剂萃取;和再沉淀。
组分(B)有机树脂中空颗粒由具有在其表面承载有无机材料粉末的有机树脂中空颗粒组成。尽管对含载体的颗粒壁的有机树脂的特定类型没有特别限制,但优选热塑性树脂。一些适宜树脂的例子包括乙烯树脂如苯乙烯树脂、乙酸乙烯酯树脂、氯乙烯树脂、偏二氯乙烯树脂、甲基丙烯酸甲酯树脂、丙烯腈树脂、丁二烯树脂、氯丁二烯树脂、偏二氯乙烯/丙烯腈共聚物树脂、氯乙烯/丙烯腈共聚物树脂、乙酸乙烯酯/丁二烯共聚物树脂、苯乙烯/丁二烯共聚物树脂;烯烃树脂如聚乙烯树脂、聚丙烯树脂、乙烯/丙烯共聚物树脂、乙烯/丙烯/苯乙烯共聚物树脂;聚酰胺树脂如6-尼龙和6,6-尼龙;和聚酯树脂如聚对苯二甲酸乙二醇酯和聚对苯二甲酸丁二醇酯。载在有机树脂表面上的无机材料粉末也不重要。一些合适粉末包括碳酸钙、滑石、二氧化钛和二氧化硅。载在有机树脂中空颗粒上的无机材料粉末量应为组分(B)的至少70wt%。
组分(B)的中空结构的内部相并不重要,它包括用于使组分(B)或其残余物膨胀的发泡剂、空气、氮气、氦气、氩气或氖气。组分(B)的形态包括类似球形、圆片或葫芦的形状。最优选球形。颗粒尺寸应为5-500μm,特别是10-300μm。组分(B)的比例可为每100重量份组分(A)0.1-50重量份,优选0.5-30重量份。这是因为当组分(B)的比例低于0.1重量份时组合物的振动阻力性能降低,而使用超过50重量份的比例加工更困难。
无机材料粉末组分(C)与组分(B)并用起到进一步改进硅氧烷组合物的贮存稳定性和振动阻力的作用。无机材料粉末的一些例子包括细粉状二氧化硅、细粉状玻璃、粘土、膨润土、硅藻土、粉末状石英、碳酸钙粉末、滑石、二氧化钛粉末、氧化锡粉末、氧化铝粉末、氧化铁粉末和金属粉末。无机材料粉末可用脂肪酸或脂肪酸衍生物如癸酸、月桂酸、肉豆蔻酸、棕榈酸、硬脂酸、油酸、亚油酸、蜡酸、二十二烷酸、桐酸和花生烯酸处理。脂肪酸衍生物包括这些脂肪酸的碱金属盐、碱土金属盐和金属盐。
碳酸钙粉末可包括重质碳酸钙粉末和轻质碳酸钙粉末。重质碳酸钙粉末(又称为粉末碳酸钙)通过对白色石灰石机械粉碎和分级生产。重质碳酸钙粉末可以商品名如WHITON P-305购自Toyo FineChemicals和NANOX 30购自Maruo Calcium。其表面用脂肪酸或脂肪酸衍生物处理的重质碳酸钙粉末具有在组分(A)中的突出的分散稳定性。轻质碳酸钙粉末(又称为沉淀碳酸钙)可通过将细石灰石与CO2反应制备的轻质碳酸钙浆料脱水和干燥生产。其表面用脂肪酸或脂肪酸衍生物处理的轻质碳酸钙粉末具有在组分(A)中的突出的分散稳定性。轻质碳酸钙粉末可以商品名如HAKUENKA CC购自ShiraishiCalcium和CALFINE 200购自Maruo Calcium。
组分(C)应具有平均颗粒尺寸0.01-300μm,优选0.01-100μm。其形态可为球形、平面或无定形。组分(C)应包括每100重量份组分(A)1-300重量份,优选5-100重量份。当组分(C)的比例低于1重量份时组合物的振动阻力性能降低,而当比例超过约300重量份时加工变得更困难。
组分(B)应具有比组分(C)更大的平均颗粒尺寸。因此,组分(B)的平均颗粒尺寸比组分(C)的平均颗粒尺寸大至少10μm,优选大至少15μm是优选的。组分(B)和(C)的合适组分的一些例子包括平均颗粒尺寸20μm的组分(B)与平均颗粒尺寸1μm的组分(C)的组合;或平均颗粒尺寸100μm的组分(B)与平均颗粒尺寸4μm的组分(C)的组合。
除了组分(A)至(C)外,该硅氧烷组合物可包括组分(D):脂肪酸或脂肪酸衍生物。组分(D)起到改进组合物分散性和贮存稳定性的作用。组分(D)的一些例子为脂肪酸如癸酸、月桂酸、肉豆蔻酸、棕榈酸、硬脂酸、油酸、亚油酸、蜡酸、二十二烷酸、桐酸和花生烯酸,以及这些脂肪酸的碱金属盐、碱土金属盐和金属盐。C6-13脂肪酸和其衍生物是优选的。可包括的组分(C)的量为每100重量份组分(A)0.1至20重量份,优选0.1至10重量份。该硅氧烷组合物可包括各种其它非必要的组分,包括抗氧剂、腐蚀抑制剂、阻燃剂、颜料和染料。
本发明硅氧烷组合物优选通过将组分(A)至(C)或组分(A)至(D)均化制备。可使用的混合装置包括配混装置如球磨机、振动磨、捏合混合器、螺杆挤出机、桨叶混合器、螺条混合机、班伯里混合器、Ross混合器、Henschel混合器、流动喷射混合器、Hobart混合器和辊混合器。可将该材料在其混合期间加热至温度30-200℃。
本发明的硅氧烷组合物具有优良的振动阻力、重量轻(尽管其填料含量)和长时间的贮存稳定性。当在光盘播放器、光盘转换器、小磁盘播放器、汽车导航装置和其它暴露于温度明显变化下的电和电子装置中用作缓冲元件时,可将它们密封于弹性包装物如橡胶袋子或橡胶管中。
实施例
下面的实施例更详细说明本发明。在实施例中的动态粘度在25℃下测量。硅氧烷组合物的振动阻力通过在25℃和70℃下测量其损耗正切(tanδ)测定。其tanδ测量值通过用由Rheometric Scientific制造的DYNAMIC ANALYZER Model RDA 700的平板方法测得。这些测量条件包括使用25mm平板直径、10Hz频率、20%应变和厚度1mm的样品。
实施例1
在混合器中,加入(i)100g在其两个末端都用三甲基甲硅烷氧基封端的、具有动态粘度10,000mm2/s的二甲基聚硅氧烷;(ii)9g具有载在其表面上的碳酸钙粉末的聚丙烯腈树脂中空微球(具体由购自Matsumot Yushi的具有颗粒尺寸100μm的MICROSPHERE MFI-100CA组成,并含有约90wt%的碳酸钙粉末);(iii)18g具有平均颗粒尺寸20μm的重质碳酸钙粉末;和(iv)64g其表面用硬脂酸处理的、具有BET比表面积18m2/g和平均颗粒尺寸0.12μm(由BET比表面积计算)的轻质碳酸钙粉末。将该物质在150rpm下捏合1小时,同时每30分钟将其从混合器壁刮下,由此生产本发明的硅氧烷组合物。测量该硅氧烷组合物的振动阻力性能,结果在表1中给出。将该硅氧烷组合物在玻璃小瓶中贮存一周,然后目测观察组合物的表面和底部分的外观。在表面与底部部分之间基本上未观察到差别,证明它具有良好的贮存稳定性。过去一周后,组合物的振动阻力性能未改变。
实施例2
在混合器中,加入(i)100g在其两个末端都用三甲基甲硅烷氧基封端的、具有动态粘度10,000mm2/s的二甲基聚硅氧烷;(ii)5g具有载在其表面上的碳酸钙粉末的聚丙烯腈树脂中空微球(具体由购自Matsumot Yushi的具有颗粒尺寸100μm的MICROSPHERE MFI-100CA组成,并含有约90wt%的碳酸钙粉末);(iii)91g其表面用硬脂酸处理的、具有BET比表面积18m2/g和平均颗粒尺寸0.12μm(由BET比表面积计算)的轻质碳酸钙粉末。将该物质在150rpm下捏合1小时,同时每30分钟将其从混合器壁刮下,由此生产本发明的硅氧烷组合物。测量该硅氧烷组合物的振动阻力性能,结果在表1中给出。将该硅氧烷组合物在玻璃小瓶中贮存一周,然后目测观察组合物的表面和底部分的外观。在表面与底部部分之间基本上未观察到差别,证明它具有良好的贮存稳定性。
实施例3
在混合器中,加入(i)100g在其两个末端都用三甲基甲硅烷氧基封端的、具有动态粘度10,000mm2/s的二甲基聚硅氧烷;(ii)14g具有载在其表面上的碳酸钙粉末的聚丙烯腈树脂中空微球(具体由购自Matsumot Yushi的具有颗粒尺寸100μm的MICROSPHERE MFI-100CA组成,并含有约90wt%的碳酸钙粉末);(iii)28g具有平均颗粒尺寸20μm的重质碳酸钙粉末;(iv)21g其表面用硬脂酸处理的、具有BET比表面积18m2/g和平均颗粒尺寸0.12μm(由BET比表面积计算)的轻质碳酸钙粉末;和(v)2g硬脂酸锌。将该物质在150rpm下捏合1小时,同时每30分钟将其从混合器壁刮下,由此生产本发明的硅氧烷组合物。测量该硅氧烷组合物的振动阻力性能,结果在表1中给出。将该硅氧烷组合物在玻璃小瓶中贮存一周,然后目测观察组合物的表面和底部分的外观。在表面与底部部分之间基本上未观察到差别,证明它具有良好的贮存稳定性。
实施例4
在混合器中,加入(i)100g在其两个末端都用三甲基甲硅烷氧基封端的、具有动态粘度7,000mm2/s的二甲基聚硅氧烷;(ii)40g具有载在其表面上的碳酸钙粉末的聚丙烯腈树脂中空微球(具体由购自Matsumot Yushi的具有颗粒尺寸20μm的MICROSPHERE MFI-80 GAT组成,并含有约90wt%的滑石粉末);(iii)20g具有平均颗粒尺寸2μm的滑石,(iv)21g其表面用硬脂酸处理的、具有BET比表面积18m2/g和平均颗粒尺寸0.12μm(由BET比表面积计算)的轻质碳酸钙粉末;和(v)5g硬脂酸锌。将该物质在150rpm下捏合1小时,同时每30分钟将其从混合器壁刮下,由此生产本发明的硅氧烷组合物。测量该硅氧烷组合物的振动阻力性能,结果在表1中给出。将该硅氧烷组合物在玻璃小瓶中贮存一周,然后目测观察组合物的表面和底部分的外观。在表面与底部部分之间基本上未观察到差别,证明它具有良好的贮存稳定性。
实施例5
在混合器中,加入(i)100g在其两个末端都用三甲基甲硅烷氧基封端的、具有动态粘度10,000mm2/s并含有低于约400ppm的低于20个硅原子的低聚物(通过气相色谱法测定)的二甲基聚硅氧烷;(ii)9g具有载在其表面上的碳酸钙粉末的聚丙烯腈树脂中空微球(具体由购自Matsumot Yushi的具有颗粒尺寸100μm的MICROSPHEREMFI-100 CA组成,并含有约90wt%的碳酸钙粉末);(iii)18g具有平均颗粒尺寸20μm的重质碳酸钙粉末;(iv)64g其表面用硬脂酸处理的、具有BET比表面积18m2/g和平均颗粒尺寸0.12μm(由BET比表面积计算)的轻质碳酸钙粉末。将该物质在150rpm下捏合1小时,同时每30分钟将其从混合器壁刮下,由此生产本发明的硅氧烷组合物。测量该硅氧烷组合物的振动阻力性能,结果在表1中给出。将该硅氧烷组合物在玻璃小瓶中贮存一周,然后目测观察组合物的表面和底部分的外观。在表面与底部部分之间基本上未观察到差别,证明它具有良好的贮存稳定性。
比较例1
按照实施例2制备硅氧烷组合物,但省去轻质碳酸钙粉末。测量该硅氧烷组合物的振动阻力性能,结果在表1中给出。将其在玻璃小瓶中贮存一周,然后目测观察组合物的表面和底部分的外观。测得聚丙烯腈微球在其表面附聚,导致表面与底部分之间的明显差别。此比较显示用有机树脂中空颗粒作为唯一颗粒制备的硅氧烷组合物具有不良贮存稳定性。
比较例2
按照实施例2制备硅氧烷组合物,但用5g直径16-32μm的在其表面上未承载其它粉末的偏二氯乙烯/丙烯腈中空微球代替在其表面上承载碳酸钙粉末的聚丙烯腈树脂中空微球。将该硅氧烷树脂组合物在玻璃小瓶中贮存一周,然后目测观察组合物的表面和底部分的外观。发现偏二氯乙烯/丙烯腈中空微球在表面附聚,导致表面与底部分之间的明显差别。该组合物显示用其表面无无机材料粉末的中空颗粒制备的组合物具有不良贮存稳定性。
表1
tanδ(25℃) | tanδ(25℃)/tanδ(70℃) | 贮存稳定性 | |
实施例1 | 6 | 0.92 | 良好 |
实施例2 | 5 | 0.99 | 良好 |
实施例3 | 10 | 1.30 | 良好 |
实施例4 | 6 | 0.8 | 良好 |
实施例5 | 6 | 0.93 | 良好 |
比较例1 | 5 | 1.2 | 差 |
因此,可以看出本发明含组分(A)至(C)的振动阻力硅氧烷组合物,特别是用在中空颗粒表面上承载有无机材料粉末的有机树脂中空颗粒的组分(B)作为填料的那些组合物能够赋予优良的振动阻力,并具有长时间贮存稳定性。
可在不离开本发明基本特性下对这里描述的化合物、组合物和方法进行限定。这里具体说明的本发明实施方案仅是示例性的,而不用于对所附权利要求定义的范围进行限制。
Claims (6)
1.一种振动阻尼硅氧烷组合物,包括:
(A)100重量份硅油,
(B)0.1-50重量份具有承载在中空颗粒的表面上的无机材料粉末的有机树脂中空颗粒,和
(C)1-300重量份无机材料粉末。
2.根据权利要求1的振动阻尼硅氧烷组合物,其中将组分(C)用脂肪酸或脂肪酸衍生物处理。
3.根据权利要求1的振动阻尼硅氧烷组合物,其中组分(B)的平均颗粒尺寸比组分(C)的平均颗粒尺寸至少大10μm。
4.一种振动阻尼硅氧烷组合物,包括:
(A)100重量份硅油,
(B)0.1-50重量份具有承载在中空颗粒的表面上的无机材料粉末的有机树脂中空颗粒
(C)1-300重量份无机材料粉末,和
(D)0.1-20重量份脂肪酸或脂肪酸衍生物。
5.根据权利要求4的振动阻尼硅氧烷组合物,其中将组分(C)用脂肪酸或脂肪酸衍生物预处理。
6.根据权利要求4的振动阻尼硅氧烷组合物,其中组分(B)的平均颗粒尺寸比组分(C)的平均颗粒尺寸至少大10μm。
Applications Claiming Priority (2)
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JP262107/2000 | 2000-08-31 | ||
JP2000262107A JP4723063B2 (ja) | 2000-08-31 | 2000-08-31 | 防振性シリコーンコンパウンド |
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CN1340569A true CN1340569A (zh) | 2002-03-20 |
CN1269907C CN1269907C (zh) | 2006-08-16 |
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CNB01124478XA Expired - Fee Related CN1269907C (zh) | 2000-08-31 | 2001-07-30 | 振动阻尼硅氧烷组合物 |
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US (1) | US6777486B2 (zh) |
EP (1) | EP1191059B1 (zh) |
JP (1) | JP4723063B2 (zh) |
CN (1) | CN1269907C (zh) |
AT (1) | ATE244277T1 (zh) |
DE (1) | DE60100424T2 (zh) |
MY (1) | MY129756A (zh) |
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CN102532905A (zh) * | 2011-12-30 | 2012-07-04 | 株洲时代新材料科技股份有限公司 | 一种速度锁定器用有机硅阻尼材料的制备方法 |
CN105865643A (zh) * | 2015-02-11 | 2016-08-17 | 基德科技公司 | 具有减振的传感器 |
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JP2002053729A (ja) * | 2000-08-04 | 2002-02-19 | Kanegafuchi Chem Ind Co Ltd | 耐ブロッキング性の改良された耐衝撃性改良剤 |
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JP2013204020A (ja) * | 2012-03-29 | 2013-10-07 | Yokohama Rubber Co Ltd:The | 硬化性組成物 |
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CN113698766B (zh) * | 2021-08-09 | 2023-03-24 | 株洲时代新材料科技股份有限公司 | 一种橡胶复合材料及其制备方法 |
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-
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- 2001-06-26 US US09/891,899 patent/US6777486B2/en not_active Expired - Fee Related
- 2001-07-19 MY MYPI20013432A patent/MY129756A/en unknown
- 2001-07-30 CN CNB01124478XA patent/CN1269907C/zh not_active Expired - Fee Related
- 2001-08-20 DE DE60100424T patent/DE60100424T2/de not_active Expired - Fee Related
- 2001-08-20 AT AT01307068T patent/ATE244277T1/de not_active IP Right Cessation
- 2001-08-20 EP EP01307068A patent/EP1191059B1/en not_active Expired - Lifetime
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN102532905A (zh) * | 2011-12-30 | 2012-07-04 | 株洲时代新材料科技股份有限公司 | 一种速度锁定器用有机硅阻尼材料的制备方法 |
CN102532905B (zh) * | 2011-12-30 | 2013-07-17 | 株洲时代新材料科技股份有限公司 | 一种速度锁定器用有机硅阻尼材料的制备方法 |
CN105865643A (zh) * | 2015-02-11 | 2016-08-17 | 基德科技公司 | 具有减振的传感器 |
Also Published As
Publication number | Publication date |
---|---|
JP4723063B2 (ja) | 2011-07-13 |
CN1269907C (zh) | 2006-08-16 |
EP1191059B1 (en) | 2003-07-02 |
DE60100424D1 (de) | 2003-08-07 |
US6777486B2 (en) | 2004-08-17 |
US20020042456A1 (en) | 2002-04-11 |
ATE244277T1 (de) | 2003-07-15 |
MY129756A (en) | 2007-04-30 |
DE60100424T2 (de) | 2004-05-27 |
JP2002069299A (ja) | 2002-03-08 |
EP1191059A1 (en) | 2002-03-27 |
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