TW202400673A - 具有膨脹型珠岩之有機聚矽氧烷發泡體 - Google Patents
具有膨脹型珠岩之有機聚矽氧烷發泡體 Download PDFInfo
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- 239000010451 perlite Substances 0.000 title claims abstract description 28
- 235000019362 perlite Nutrition 0.000 title claims abstract description 28
- 239000006260 foam Substances 0.000 title claims abstract description 27
- 229920001296 polysiloxane Polymers 0.000 title description 16
- 239000000463 material Substances 0.000 claims abstract description 16
- 239000003063 flame retardant Substances 0.000 claims abstract description 13
- 239000006261 foam material Substances 0.000 claims description 12
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 10
- 229910018626 Al(OH) Inorganic materials 0.000 claims description 2
- 229910017089 AlO(OH) Inorganic materials 0.000 claims description 2
- 229910019440 Mg(OH) Inorganic materials 0.000 claims description 2
- 229910020091 MgCa Inorganic materials 0.000 claims description 2
- 101100003996 Mus musculus Atrn gene Proteins 0.000 claims description 2
- 238000005187 foaming Methods 0.000 claims description 2
- FAHBNUUHRFUEAI-UHFFFAOYSA-M hydroxidooxidoaluminium Chemical compound O[Al]=O FAHBNUUHRFUEAI-UHFFFAOYSA-M 0.000 claims description 2
- 238000009413 insulation Methods 0.000 abstract description 10
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 abstract description 2
- 229910001416 lithium ion Inorganic materials 0.000 abstract description 2
- 239000000523 sample Substances 0.000 description 18
- 239000000203 mixture Substances 0.000 description 16
- 239000002245 particle Substances 0.000 description 16
- -1 polysiloxane Polymers 0.000 description 13
- 238000012360 testing method Methods 0.000 description 9
- 230000000052 comparative effect Effects 0.000 description 8
- 239000004205 dimethyl polysiloxane Substances 0.000 description 8
- 239000011521 glass Substances 0.000 description 8
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 description 8
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 6
- 230000004888 barrier function Effects 0.000 description 6
- 230000006835 compression Effects 0.000 description 6
- 238000007906 compression Methods 0.000 description 6
- LIVNPJMFVYWSIS-UHFFFAOYSA-N silicon monoxide Inorganic materials [Si-]#[O+] LIVNPJMFVYWSIS-UHFFFAOYSA-N 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical group C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- 239000011324 bead Substances 0.000 description 4
- 239000003054 catalyst Substances 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 239000004005 microsphere Substances 0.000 description 4
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 4
- WVDDGKGOMKODPV-UHFFFAOYSA-N Benzyl alcohol Chemical compound OCC1=CC=CC=C1 WVDDGKGOMKODPV-UHFFFAOYSA-N 0.000 description 3
- 229910018557 Si O Inorganic materials 0.000 description 3
- 229910004283 SiO 4 Inorganic materials 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 239000000945 filler Substances 0.000 description 3
- 238000005984 hydrogenation reaction Methods 0.000 description 3
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 3
- 229920003223 poly(pyromellitimide-1,4-diphenyl ether) Polymers 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- 239000002952 polymeric resin Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- 229920003002 synthetic resin Polymers 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- MYRTYDVEIRVNKP-UHFFFAOYSA-N 1,2-Divinylbenzene Chemical compound C=CC1=CC=CC=C1C=C MYRTYDVEIRVNKP-UHFFFAOYSA-N 0.000 description 2
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 2
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 2
- 239000004964 aerogel Substances 0.000 description 2
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 description 2
- WERYXYBDKMZEQL-UHFFFAOYSA-N butane-1,4-diol Chemical compound OCCCCO WERYXYBDKMZEQL-UHFFFAOYSA-N 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 2
- 239000012212 insulator Substances 0.000 description 2
- 239000010445 mica Substances 0.000 description 2
- 229910052618 mica group Inorganic materials 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 229920006136 organohydrogenpolysiloxane Polymers 0.000 description 2
- 229910052697 platinum Inorganic materials 0.000 description 2
- 238000006116 polymerization reaction Methods 0.000 description 2
- 229920005862 polyol Polymers 0.000 description 2
- 150000003077 polyols Chemical class 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 229920002799 BoPET Polymers 0.000 description 1
- 239000005041 Mylar™ Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 125000003158 alcohol group Chemical group 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 238000000418 atomic force spectrum Methods 0.000 description 1
- 235000019445 benzyl alcohol Nutrition 0.000 description 1
- FSIJKGMIQTVTNP-UHFFFAOYSA-N bis(ethenyl)-methyl-trimethylsilyloxysilane Chemical compound C[Si](C)(C)O[Si](C)(C=C)C=C FSIJKGMIQTVTNP-UHFFFAOYSA-N 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- JYYOBHFYCIDXHH-UHFFFAOYSA-N carbonic acid;hydrate Chemical class O.OC(O)=O JYYOBHFYCIDXHH-UHFFFAOYSA-N 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000002296 dynamic light scattering Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000005227 gel permeation chromatography Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 150000004677 hydrates Chemical class 0.000 description 1
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 1
- 235000019341 magnesium sulphate Nutrition 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910000000 metal hydroxide Inorganic materials 0.000 description 1
- 150000004692 metal hydroxides Chemical class 0.000 description 1
- CKFGINPQOCXMAZ-UHFFFAOYSA-N methanediol Chemical compound OCO CKFGINPQOCXMAZ-UHFFFAOYSA-N 0.000 description 1
- 239000013518 molded foam Substances 0.000 description 1
- 125000001181 organosilyl group Chemical group [SiH3]* 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
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- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/0066—Use of inorganic compounding ingredients
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/658—Means for temperature control structurally associated with the cells by thermal insulation or shielding
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- C08J2383/00—Characterised by the use 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; Derivatives of such polymers
- C08J2383/04—Polysiloxanes
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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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- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
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- C08K2003/2224—Magnesium hydroxide
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- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
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Abstract
本發明係關於一種絕緣、可壓縮、及耐燃性發泡材料,其包含聚有機矽氧烷發泡體、阻燃劑、及膨脹型珠岩。該發泡材料可用於向諸如鋰離子電池組之應用提供熱絕緣、耐燃性、及可壓縮性。
Description
本發明係關於一種有機聚矽氧烷發泡體,其含有膨脹型珠岩。
諸如鋰離子電池組(lithium-ion battery, LiB)之可充電電池組常用於包括電動車(electric vehicle, EV)及網格能量儲存系統之多種應用中。儘管LiB具有高能量密度及穩定性之理想特性,但安全性擔憂目前限制了其有用性。首先,LiB電池(cell)之故障可由於製造缺陷、內部短路、過熱、過量充電、或機械衝擊而觸發;其次,由發生故障的電池產生之熱可傳播,藉此導致鄰近電池中之熱失控。由此等熱事件產生之快速壓力堆積增加了著火及爆炸風險。
可藉由將提供熱絕緣及耐燃性的熱障壁置放於LiB模組中之電池之間而緩解熱失控。諸如氣凝膠、陶瓷纖維、及雲母板之常用熱障壁提供此類特性;然而,氣凝膠及陶瓷纖維缺點係機械彈性較差,而雲母板缺點係可壓縮性較差。另一方面,雖然聚矽氧吹塑發泡體提供充分可壓縮性,且因此適合於低能量密度及中等能量密度之電池組,但其缺點係熱絕緣不足以阻止極高能量密度電池組包之熱失控。因此,可充電電池組熱障壁領域中期望產生提供熱絕緣、耐燃性、及令人滿意的可壓縮性之障壁。
本發明藉由提供以下解決所屬技術領域中之需求:一種絕緣、可壓縮、及耐燃性發泡材料,其以該發泡材料之重量計,包含35至95重量百分比之聚有機矽氧烷發泡體;1至30重量百分比之阻燃劑;及1至15重量百分比之膨脹型珠岩;其中該發泡材料之密度在0.10至0.90 g/cm
3範圍內。本發明之發泡材料可用於可充電電池模組組中提供一個或多個熱絕緣、耐燃性、及可壓縮之間隔物。
本發明係一種絕緣、可壓縮、及耐燃性發泡材料,其以發泡材料之重量計包含35至95重量百分比之聚有機矽氧烷發泡體;1至30重量百分比之阻燃劑;及1至15重量百分比之膨脹型珠岩;其中該發泡材料之密度在0.10至0.90 g/cm
3範圍內。
本發明之聚有機矽氧烷發泡材料可以藉由修改諸如US 5,358,975中所描述之方法來製備。舉例而言,經至少兩個且較佳至少三個Si-H基團官能化之聚二甲基矽氧烷(a)有利地與以下接觸:一或多種係水、醇、二醇、多元醇的含羥基化合物、或含有至少一個矽醇基團之化合物(b)、二乙烯基官能化之聚二甲基矽氧烷(c)、諸如基於鉑之催化劑的矽氫化催化劑(d)、阻燃劑(e)、及膨脹型珠岩粒子(f),以形成具有-Si-CH
2-CH
2-Si-基團及-Si-O-R基團之絕緣、可壓縮、及耐燃性發泡材料之交聯網狀結構,其中R係H或醇、二醇、多元醇、或矽醇之結構單元(亦即反應產物)。組分(a)、(b)、及(c)之總量在聚有機矽氧烷發泡體之35或40重量百分比至80或至70重量百分比之範圍內。
可能有利的係使用2部分方法製備發泡材料,其中在第一容器中,將二乙烯基官能化之聚二甲基矽氧烷之第一部分;阻燃劑之第一部分;矽氫化催化劑;一或多種含羥基化合物;及膨脹型珠岩之第一部分摻合,以形成部分A組成物。在第二容器中,將二乙烯基官能化之聚二甲基矽氧烷之剩餘部分;聚合物樹脂摻合物,其係二乙烯基官能化之聚二甲基矽氧烷與交聯有機聚矽氧烷樹脂之混合物;阻燃劑之剩餘部分;經至少三個Si-H基團官能化之聚二甲基矽氧烷;及膨脹型珠岩之剩餘部分摻合,以形成部分B組成物。隨後將部分A及B合併且混合,隨後傾倒於兩個離型膜片之間以形成本發明之發泡材料。
阻燃劑係在加熱時釋放CO
2或水或兩者之金屬氫氧化物、碳酸鹽、碳酸氫氧化物(hydroxide-carbonate)、或水合物。阻燃劑之實例包括Al(OH)
3、Mg(OH)
2、Ca(OH)
2、MgCO
3·3H
2O(水碳鎂石)、Mg
5(CO
3)
4(OH)
2·4H
2O(水菱鎂礦)、MgCa(CO
3)
2(碳鈣鎂礦)、AlO(OH)(勃姆石(boemite))、NaHCO
3、及水合MgSO
4(瀉利鹽)。以發泡材料之重量計,聚有機矽氧烷發泡材料包含1或2或3重量百分比至30或至20或至15重量百分比之阻燃劑。
發泡材料進一步包含1或2至15或至10重量百分比之膨脹型珠岩。可藉由在750℃至1000℃範圍內之溫度下快速地加熱珠岩礦石來形成膨脹型珠岩。所得膨脹粒子通常具有在0.03至0.20 g/cm
3範圍內之乾燥體密度。使用動態光散射分析儀(諸如Beckman Coulter LS 130粒度分析儀),平均體積粒度一般在0.1 µm至1000 µm範圍內。
所得障壁材料具有在0.10或0.15 g/cm
3至0.90或至0.50 g/cm
3範圍內之密度。
在另一態樣中,本發明係一種組成物,其以該組成物之重量計包含,a) 2至50重量百分比之經至少兩個Si-H基團官能化且聚合度在5至1000範圍內之聚矽氧烷;b) 1至50重量百分比之水、醇、二醇、多元醇、或含有一或多個矽醇基團之化合物;c) 10至90重量百分比之經至少一個乙烯系不飽和基團官能化且聚合度在20至2000範圍內之聚矽氧烷;其中組分a、b、及c之總濃度以該組成物之重量計在35至95重量百分比範圍內;d)催化量之矽氫化催化劑;e) 1至30重量百分比之阻燃劑;及f) 1至35重量百分比膨脹型珠岩粒子。
在又一態樣中,本發明係一種電池組模組,其包含含有空間分離之電池組電池陣列及接觸相鄰電池組電池之聚有機矽氧烷發泡體材料的殼體。聚有機矽氧烷發泡體可藉由用發泡體填充相鄰電池組電池之間的空間及/或藉由用發泡體覆蓋電池組電池來接觸電池組電池。電池組模組可進一步包含殼體的內部邊緣處的端板,該等端板與最接近邊緣的電池組電池直接或間接接觸。發泡體材料可插入至相鄰電池組電池之間及在電池與端板之間的空腔中;可替代地,可將發泡體前驅物施加於電池上且至空腔中,隨後固化以形成發泡材料。
已發現,本發明之發泡材料在電池組熱障壁應用中提供熱絕緣、耐燃性、及可壓縮性之所欲特性。
在以下實例中,ViMe
2SiO
1/2/(CH
3)
3Si-O
1/2/SiO
4/2樹脂之M
w及M
n藉由凝膠滲透層析,使用封裝有5 mm直徑尺寸之二乙烯苯交聯聚苯乙烯珠粒孔隙類型混合-C (Mixed-C) (Polymer Laboratory)之gpc管柱測定。四氫呋喃用作移動相且偵測藉由折射率偵測器進行。
實例1-具有膨脹型珠岩粒子之發泡有機聚矽氧烷物品之製備
第一組分(部分A)藉由使用Flacktek快速混合器將以下混合在一起而製備:黏度係約40,000 mPas之二甲基乙烯基矽烷氧基封端之聚二甲基矽氧烷(聚合物1,11.0 pbw),1)具有約1,900 mPa·s之黏度及約0.22 wt.% Vi的二甲基乙烯基矽烷氧基封端之聚二甲基矽氧烷;及2)具有5:40:55的ViMe
2SiO
1/2:(CH
3)
3Si-O
1/2:SiO
4/2結構單元比率、5000的M
n及21,400的M
w的ViMe
2SiO
1/2/(CH
3)
3Si-O
1/2/SiO
4/2樹脂之64:36 w/w摻合物(聚合物-樹脂摻合物,62.9 pbw);及Micral 855氫氧化鋁(14.7 pbw)。在2000 rpm下攪拌內容物30 s,此後將Pt(0)與二乙烯基四甲基二矽氧烷之錯合物(0.9 pbw,0.62 wt% Pt)、1,4-丁二醇(2.5 pbw)、及苯甲醇(3.2 pbw)添加至混合物中,且以2000 rpm攪拌內容物30 s。最後,Omyasphere TP-312 FQ膨脹型珠岩粒子(平均體積平均粒度為63 µm;4.8 pbw)添加至混合物中,並將內容物在2000 rpm下攪拌30 s。
第二組成物(部分B)類似地藉由將聚合物1 (8.6 pbw)、聚合物樹脂摻合物(49.5 pbw)、以及Hymod M855氫氧化鋁(25.6 pbw)混合在一起來製備。在2000 rpm下攪拌內容物30 s,此後向混合物中添加具有30 mPa·s黏度及1.6 wt% SiH含量之直鏈有機氫聚矽氧烷(6.5 pbw)及具有5 mPa·s黏度及0.7 wt% SiH含量之聚二甲基有機氫矽氧烷(4.9 pbw),且以2000 rpm攪拌內容物30 s。然後,將Omyasphere TP-312 FQ膨脹型珠岩粒子(平均體積平均粒度為63 µm,4.8 pbw)添加到混合物中,並將內容物以2000 rpm的速度攪拌30 s。
隨後混合等量的部分A及B,且將混合物傾倒於兩個離型膜片(無光澤麥拉膜(mylar film))之間。使用夾持輥控制初始(在發泡之前)厚度在0.045吋。樣本在70℃下固化5分鐘,隨後在100℃下固化15分鐘,產生用於進一步測試之發泡體薄片。(密度=0.29 g/cm
3)
實例2-具有膨脹型珠岩粒子之發泡有機聚矽氧烷物品之製備
以實質上相同的方式進行製備實例1的發泡物品的程序,除了在部分A及B中使用Omyasphere 235 T-FQ膨脹型珠岩粒子(平均體積平均粒度為124 µm,4.8 pbw)。(密度=0.31 g/cm
3)。
實例3-具有膨脹型珠岩粒子之發泡有機聚矽氧烷物品之製備
以實質上相同的方式進行製備實例1的發泡物品的程序,除了在部分A和B中使用Omyasphere 235 T-FQ膨脹型珠岩粒子(9.1pbw)。(密度=0.35 g/cm
3)
比較例2 -具有中空玻璃珠之發泡有機聚矽氧烷物品之製備
以實質上相同的方式進行製備實例1的發泡物品的程序,除了在部分A及B中使用3M iM16K中空玻璃珠粒(平均體積平均粒度為20 µm,20 pbw)。(密度=0.28 g/cm
3)選擇珠粒量以得到與實例1中之膨脹型珠岩的類似填料體積。
熱絕緣及可燃性
使用設置於液壓機上之加熱板來測試如實例中所描述而製備之發泡體的熱絕緣及可燃性。將加熱板設定為600℃,其中絕緣體位於表面之頂部上。使用Kapton膠帶將四個熱電偶(K型)固定於鋁散熱片(4" × 4" × 0.47")上。隨後樣本(4" × 4")置放於且使用Kapton膠帶固定於散熱片上。使用Kapton膠帶將額外熱電偶(K型)附接至樣本表面。自熱表面移除絕緣體且將附接至散熱片之樣本快速置放於熱表面上,其中樣本表面面向加熱板表面且Al散熱片面向相對側。壓力快速增加至355 kPa。使用資料記錄器記錄加熱板表面與樣本表面之間的介面溫度及樣本表面與散熱片之間的介面溫度。一旦達至300 s之時間,釋放壓力,且結束測試。在樣本表面< 300℃之溫度視為可接受的。在整個測試中無可觀測的火焰視為可接受之耐燃性。
硬度
硬度使用蕭氏00硬度計量測。將測試樣品置於硬平坦表面上。隨後將蕭氏00硬度計之壓頭按壓至樣品上,確保其平行於表面。在與樣品牢固接觸期間讀取硬度。<80之硬度視為可接受的。
壓縮力
壓縮力使用配備有100 kg測力計、直徑係40 mm之鋁探針的TA.HDplus質構分析儀、及平坦重型鋁基材來量測。使用直徑係1"之模切將聚矽氧發泡體樣本切成圓形,且置放於基材與探針之間。探針最初設定為與樣本厚度相同之高度,且以1 mm/s之速率降低直至壓力達到最大。樣本厚度及壓力記錄為壓縮力曲線。記錄在原始樣本厚度之30%下的壓力。<500 kPa之壓縮力視為可接受的。
發泡體密度
發泡體密度係基於直徑係1吋之兩個發泡體樣本的平均厚度及重量計算。
將經膨脹型珠岩填充的有機聚矽氧烷物品的性質與其他兩種發泡體進行比較:比較例1為商用有機聚矽氧烷物品(COHRlastic聚矽發泡體,可購自Stockwell Elastomerics),除了不含膨脹型珠岩岩外,其結構與實例發泡體相似;而比較實例2為含有3M玻璃氣泡iM16K中空玻璃微球之發泡體。
表1係實例1至3之發泡體、市售比較發泡體、及包含空心玻璃微球之發泡體之效能特性的概述。密度以g/cm
3為單位量測;硬度以蕭氏00單位量測;壓縮力(力)以kPa@30%壓縮為單位量測;600℃下溫度(300 s後T)係指300 s後樣本表面溫度;且可燃性係指在熱絕緣測試期間火焰之可觀測性。
TP-312-FQ係指Omysphere TP-312-FQ膨脹型珠岩;235T-FQ係指Omysphere 235-T-FQ膨脹型珠岩;且iM16K係指3M玻璃氣泡iM16K中空玻璃微球。
表1-有機聚矽氧烷物品之特性
特性 | 標準 | 比較例1 | 實例1 | 實例2 | 實例3 | 比較例2 |
填料 | 無 | TP-312-FQ | 235 T-FQ | 235 T-FQ | iM16K | |
密度 | < 0.9 | 0.23 | 0.289 | 0.307 | 0.354 | 0.282 |
硬度 | < 80 | 35 | 61 | 65 | 75 | 82 |
力 | < 500 | 17 | 158 | 202 | 424 | 791 |
300 s後T | < 300 °C | 334 | 266 | 255 | 251 | 266 |
可燃性 | 無火焰 | 無火焰 | 無火焰 | 無火焰 | 無火焰 | 無火焰 |
表1說明本發明之含有發泡體之膨脹型珠岩通過了所有測試,而不具有膨脹型珠岩之樣本(比較例1)在熱絕緣測試中無法通過測試,而具有中空玻璃微球體填料之樣本(比較例2)無法通過壓縮力測試。
無
無
Claims (4)
- 一種絕緣、可壓縮、及耐燃性發泡材料,其以該發泡材料之重量計包含35至95重量百分比之聚有機矽氧烷發泡體;1至30重量百分比之阻燃劑;及1至15重量百分比之膨脹型珠岩;其中該發泡材料之密度在0.10至0.90 g/cm 3範圍內。
- 如請求項1之發泡材料,其中該發泡材料包含50至80重量百分比之該聚有機矽氧烷發泡體、2至20重量百分比之該阻燃劑、及2至10重量百分比之膨脹型珠岩。
- 如請求項2之發泡材料,其中該阻燃劑係Al(OH) 3、Mg(OH) 2、MgCO 3·3H 2O、或Mg 5(CO 3) 4(OH) 2·4H 2O、MgCa(CO 3) 2、AlO(OH)、NaHCO 3、或水合MgSO 4,或其組合。
- 如請求項1至3中任一項之發泡材料,其具有在0.15至0.50 g/cm 3範圍內之密度。
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