TWI572631B - 共聚物與環氧樹脂複合物 - Google Patents
共聚物與環氧樹脂複合物 Download PDFInfo
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- 239000003822 epoxy resin Substances 0.000 title claims description 56
- 229920000647 polyepoxide Polymers 0.000 title claims description 56
- 239000002131 composite material Substances 0.000 title claims description 24
- 229920006026 co-polymeric resin Polymers 0.000 title 1
- 229920001577 copolymer Polymers 0.000 claims description 18
- 239000012745 toughening agent Substances 0.000 claims description 14
- 239000003063 flame retardant Substances 0.000 claims description 6
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 6
- 125000004169 (C1-C6) alkyl group Chemical group 0.000 claims description 5
- 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 5
- 125000003161 (C1-C6) alkylene group Chemical group 0.000 claims description 4
- 239000000654 additive Substances 0.000 claims description 4
- 229920003986 novolac Polymers 0.000 claims description 4
- 239000004848 polyfunctional curative Substances 0.000 claims description 4
- 230000000996 additive effect Effects 0.000 claims description 3
- 239000000779 smoke Substances 0.000 claims description 3
- 239000006097 ultraviolet radiation absorber Substances 0.000 claims description 3
- QTWJRLJHJPIABL-UHFFFAOYSA-N 2-methylphenol;3-methylphenol;4-methylphenol Chemical compound CC1=CC=C(O)C=C1.CC1=CC=CC(O)=C1.CC1=CC=CC=C1O QTWJRLJHJPIABL-UHFFFAOYSA-N 0.000 claims description 2
- 150000001412 amines Chemical class 0.000 claims description 2
- 229930003836 cresol Natural products 0.000 claims description 2
- 239000004841 bisphenol A epoxy resin Substances 0.000 claims 1
- 239000004842 bisphenol F epoxy resin Substances 0.000 claims 1
- 238000002360 preparation method Methods 0.000 description 15
- 230000000052 comparative effect Effects 0.000 description 11
- 239000000047 product Substances 0.000 description 8
- 239000000758 substrate Substances 0.000 description 8
- 239000000203 mixture Substances 0.000 description 5
- 238000003756 stirring Methods 0.000 description 5
- 238000010998 test method Methods 0.000 description 5
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 125000005913 (C3-C6) cycloalkyl group Chemical group 0.000 description 3
- VZSRBBMJRBPUNF-UHFFFAOYSA-N 2-(2,3-dihydro-1H-inden-2-ylamino)-N-[3-oxo-3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propyl]pyrimidine-5-carboxamide Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)C(=O)NCCC(N1CC2=C(CC1)NN=N2)=O VZSRBBMJRBPUNF-UHFFFAOYSA-N 0.000 description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- 238000005033 Fourier transform infrared spectroscopy Methods 0.000 description 3
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 3
- 125000003118 aryl group Chemical group 0.000 description 3
- 230000009477 glass transition Effects 0.000 description 3
- LNEPOXFFQSENCJ-UHFFFAOYSA-N haloperidol Chemical compound C1CC(O)(C=2C=CC(Cl)=CC=2)CCN1CCCC(=O)C1=CC=C(F)C=C1 LNEPOXFFQSENCJ-UHFFFAOYSA-N 0.000 description 3
- RAXXELZNTBOGNW-UHFFFAOYSA-N imidazole Natural products C1=CNC=N1 RAXXELZNTBOGNW-UHFFFAOYSA-N 0.000 description 3
- 238000003786 synthesis reaction Methods 0.000 description 3
- YLZOPXRUQYQQID-UHFFFAOYSA-N 3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)-1-[4-[2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidin-5-yl]piperazin-1-yl]propan-1-one Chemical compound N1N=NC=2CN(CCC=21)CCC(=O)N1CCN(CC1)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F YLZOPXRUQYQQID-UHFFFAOYSA-N 0.000 description 2
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 2
- PMMYEEVYMWASQN-DMTCNVIQSA-N Hydroxyproline Chemical compound O[C@H]1CN[C@H](C(O)=O)C1 PMMYEEVYMWASQN-DMTCNVIQSA-N 0.000 description 2
- AFCARXCZXQIEQB-UHFFFAOYSA-N N-[3-oxo-3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(CCNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 AFCARXCZXQIEQB-UHFFFAOYSA-N 0.000 description 2
- 229920000459 Nitrile rubber Polymers 0.000 description 2
- PXKLMJQFEQBVLD-UHFFFAOYSA-N bisphenol F Chemical compound C1=CC(O)=CC=C1CC1=CC=C(O)C=C1 PXKLMJQFEQBVLD-UHFFFAOYSA-N 0.000 description 2
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 description 2
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- JKQOBWVOAYFWKG-UHFFFAOYSA-N molybdenum trioxide Chemical compound O=[Mo](=O)=O JKQOBWVOAYFWKG-UHFFFAOYSA-N 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 229920001187 thermosetting polymer Polymers 0.000 description 2
- KUBDPQJOLOUJRM-UHFFFAOYSA-N 2-(chloromethyl)oxirane;4-[2-(4-hydroxyphenyl)propan-2-yl]phenol Chemical compound ClCC1CO1.C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 KUBDPQJOLOUJRM-UHFFFAOYSA-N 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- 241000579895 Chlorostilbon Species 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical group Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 150000008065 acid anhydrides Chemical class 0.000 description 1
- 125000005233 alkylalcohol group Chemical group 0.000 description 1
- 125000002947 alkylene group Chemical group 0.000 description 1
- 125000003277 amino group Chemical group 0.000 description 1
- BIVUUOPIAYRCAP-UHFFFAOYSA-N aminoazanium;chloride Chemical compound Cl.NN BIVUUOPIAYRCAP-UHFFFAOYSA-N 0.000 description 1
- 150000004982 aromatic amines Chemical class 0.000 description 1
- 150000001491 aromatic compounds Chemical class 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000012965 benzophenone Substances 0.000 description 1
- 150000008366 benzophenones Chemical class 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229920006037 cross link polymer Polymers 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- QGBSISYHAICWAH-UHFFFAOYSA-N dicyandiamide Chemical compound NC(N)=NC#N QGBSISYHAICWAH-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910052876 emerald Inorganic materials 0.000 description 1
- 239000010976 emerald Substances 0.000 description 1
- 125000003700 epoxy group Chemical group 0.000 description 1
- 125000004185 ester group Chemical group 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 125000003983 fluorenyl group Chemical group C1(=CC=CC=2C3=CC=CC=C3CC12)* 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- -1 heterocyclic amine Chemical class 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 150000002460 imidazoles Chemical class 0.000 description 1
- 239000012796 inorganic flame retardant Substances 0.000 description 1
- 239000013067 intermediate product Substances 0.000 description 1
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 description 1
- 229910001862 magnesium hydroxide Inorganic materials 0.000 description 1
- 239000000347 magnesium hydroxide Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000693 micelle Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 125000006353 oxyethylene group Chemical group 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- 229920005604 random copolymer Polymers 0.000 description 1
- 238000001226 reprecipitation Methods 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- YBCAZPLXEGKKFM-UHFFFAOYSA-K ruthenium(iii) chloride Chemical compound [Cl-].[Cl-].[Cl-].[Ru+3] YBCAZPLXEGKKFM-UHFFFAOYSA-K 0.000 description 1
- 150000003873 salicylate salts Chemical class 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000001029 thermal curing Methods 0.000 description 1
- 229920000428 triblock copolymer Polymers 0.000 description 1
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- DXZMANYCMVCPIM-UHFFFAOYSA-L zinc;diethylphosphinate Chemical compound [Zn+2].CCP([O-])(=O)CC.CCP([O-])(=O)CC DXZMANYCMVCPIM-UHFFFAOYSA-L 0.000 description 1
Classifications
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- 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
- C08F236/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds
- C08F236/02—Copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds
- C08F236/04—Copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds conjugated
- C08F236/12—Copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds conjugated with nitriles
-
- 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
- C08G81/00—Macromolecular compounds obtained by interreacting polymers in the absence of monomers, e.g. block polymers
- C08G81/02—Macromolecular compounds obtained by interreacting polymers in the absence of monomers, e.g. block polymers at least one of the polymers being obtained by reactions involving only carbon-to-carbon unsaturated bonds
- C08G81/024—Block or graft polymers containing sequences of polymers of C08C or C08F and of polymers of C08G
- C08G81/025—Block or graft polymers containing sequences of polymers of C08C or C08F and of polymers of C08G containing polyether sequences
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L63/00—Compositions of epoxy resins; Compositions of derivatives of epoxy resins
-
- 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
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- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Epoxy Resins (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Description
本揭露關於環氧樹脂複合物,更特別關於其增韌劑之結構。
熱固型環氧樹脂廣泛使用於各種領域,包含建築、塗料、電子設備與纖維複合材料,然而其熱固化反應後為一高密度交聯的聚合物網絡,因此存在有易碎與抗衝擊性不佳的問題。近幾年的發展中,在複合材料、塗料及電子產品的發展上特別需要有較好熱穩定性之熱固型環氧樹脂,一般則透過提高環氧樹脂交聯密度的方式增加其熱穩定性,此方法造成環氧樹脂更為易碎與抗衝擊性降低,因此環氧樹脂的增靭為重要發展方向。目前環氧樹脂的增靭可透過添加端羧基丁腈橡膠(CTBN)來達到改善的效果,但CTBN的添加往往造成環氧樹脂的熱穩定性(玻璃轉移溫度)下降,因此如何改善環氧樹脂的靭性同時不影響其熱穩定性為重要的課題。
本揭露一實施例提供之共聚物,具有結構式:
,其
中R係C1-6之烷撐基;T係封端基,包含C1-6之烷基、C3-6之環烷基、或C6-12之芳基;l介於0.05至0.3之間,m介於0.1至0.2之間,n介於0.5至0.8之間,l+m+n=1,x介於40至100,以及o介於10至120之間。
本揭露一實施例提供之環氧樹脂複合物,包括:100重量份之環氧樹脂;以及1至20重量份之增韌劑,其為共聚物且具有結構式:
,其中
R係C1-6之烷撐基;T係封端基,包含C1-6之烷基、C3-6之環烷基、或C6-12之芳基;l介於0.05至0.3之間,m介於0.1至0.2之間,n介於0.5至0.8之間,l+m+n=1,x介於40至100,以及o介於10至120之間。
本揭露一實施例提供之共聚物,具有結構式如式1:
在式1中,R係C1-6之烷撐基,而T係封端基,包含C1-6之烷基、C3-6之環烷基、或C6-12之芳基。式1之共聚物為三嵌段(ABA)共聚物,
A為封端之聚乙二醇(end capped PEG),而B為端羧基丁腈橡膠(CTBN),兩者之間以酯基連接。在某些實施例中,封端基為甲基,因此共聚物可簡示為MPEG-CTBN-MPEG。在一實施例中,l介於0.05至0.3之間,m介於0.1至0.2之間,n介於0.5至0.8之間,l+m+n=1,且x介於40至100之間。上述l、m、n、與x之範圍可由商品選擇調整,或由合成單體的比例決定。若是自行合成,可參考專利US 3285949。在這應說明的是,CTBN中對應l、m、與n之重複單元屬無規排列,即CTBN為無規共聚物。
在一實施例中,o介於10至120之間。若o過小,則無法產生環氧樹脂增靭的效果。若o過大,則使環氧樹脂的玻璃轉移溫度(Tg)下降。上述o之範圍可由商品選擇調整,或由合成單體的比例決定。若是自行合成,可參考專利US20100172996。另一方面,若將對應o之重複單元(乙二醇)置換為其他烷基醇如丙二醇,則形成之共聚物將無法與後述之環氧樹脂相容以增加環氧樹脂複合物的韌度。
在一實施例中,上述聚合物的合成方式如下。應理解的是,下述合成方式僅為舉例而非侷限本揭露。本技術領域中具有通常知識者,自可選擇其他合成路徑合成上述聚合物,而不限於下述合成方式。
首先,取CTBN與SOCl2反應,使CTBN末端之羧基轉變為醯氯基。接著取一側封端之PEG(如MPEG)與醯氯基反應,即形成三嵌段共聚物。上述反應如式2所示,且式2中的R、T、l、m、n、o、與x之定義如前述。
在一實施例中,上述共聚物可作為環氧樹脂的增韌劑。舉例來說,100重量份之環氧樹脂搭配1至20重量份之增韌劑如上述共聚物,即可有效提升環氧樹脂複合物的韌度,且不會降低環氧樹脂複合物的熱安定性如Tg。若上述共聚物之比例過低,則無法有效提升環氧樹脂複合物的韌度。若上述共聚物之比例過高,則會使環氧樹脂整體的熱安定性下降。在環氧樹脂複合物中,共聚物之CTBN鏈段會朝內聚集,而兩側之封端PEG(如MPEG)則朝外形成微胞。上述共聚物與環氧樹脂之間不會產生化學鍵結(交聯)。若共聚物含有其他可能與環氧樹脂交聯之官能基如環氧基、羧基、羥基、或胺基,則共聚物將與環氧樹脂交聯而降低環氧樹脂複合物的韌性。在一實施例中,環氧樹脂可為雙酚A型環氧樹脂、雙酚F型環氧樹脂、酚醛清漆型環氧樹脂、甲酚-酚醛清漆型
環氧樹脂、四官能基胺型環氧樹脂,或上述之組合。在一實施例中,上述環氧樹脂複合物可更包括1至100重量份之添加劑如硬化劑、促進劑、阻燃劑、抑煙劑、紫外線吸收劑、或上述之組合。上述添加劑可進一步調整環氧樹脂複合物的性質。舉例來說,硬化劑可為脂肪、芳香族胺、雜環胺、或雙氰胺,促進劑可為咪唑類、有機酸酐、硫化物、或過氧化物,阻燃劑可為有鹵阻燃劑、無鹵阻燃劑、無機阻燃劑、或有機無機摻混阻燃劑,抑煙劑可為三氧化鉬、氫氧化鎂、八鉬酸銨、或硼酸鋅,而紫外線吸收劑可為二苯甲酮類、水楊酸酯類、芳香族化合物、或咪唑類。
為了讓本發明之上述和其他目的、特徵、和優點能更明顯易懂,下文特舉數實施例配合所附圖示,作詳細說明如下:
實施例
製備例1(製備MPEG750-CTBN-MPEG750)
取30g之CTBN(購自Emerald/CVC之Hypro 1300X13)與100mL之無水CH2Cl2,啟動磁石攪拌至完全互溶後,加入4g之SOCl2,加熱至55℃迴流反應,可得CTBN之末端官能基為醯氯(-COCl)之中間產物CTBN-COCl。
將上述反應結果減壓蒸餾(0.5 torr及60℃)以除去未反應之SOCl2及無水CH2Cl2。接著以200mL之無水CH2Cl2溶解CTBN-COCl,再加入14.1g之MPEG750(購自Aldrich,分子量750),加熱至55℃迴流反應。反應完成後後以熱水再沈澱除去未反應之MPEG750,可得產物MPEG750-CTBN-MPEG750(如式1,其中T為甲基)。
利用FTIR鑑定產物MPEG750-CTBN-MPEG750,可觀察
到在1102cm-1位置出現氧乙烯(ethylene oxide)鏈段的特徵峰,在1736cm-1位置則可觀察到羰基(carbonyl group)的特徵峰,即MPEG750成功鍵結至CTBN。利用1H NMR鑑定產物MPEG750-CTBN-MPEG750,其在3~4ppm的位置出現氧乙烯(ethylene oxide)鏈段的特徵峰,由積分面積比較可知MPEG750與CTBN的莫耳比約為2:1,即證明MPEG750-CTBN-MPEG750已成功製備。以GPC分析MPEG750-CTBN-MPEG750可知其數目平均分子量為11,094。
製備例2(製備MPEG2000-CTBN-MPEG2000)
與製備例1類似,差別在於將製備例1之MPEG750置換為MPEG2000(購自Aldrich,分子量2000)。同樣以FTIR與1H NMR鑑定產物MPEG2000-CTBN-MPEG2000,可觀察到類似性質證明成功製備產物MPEG2000-CTBN-MPEG2000(如式1,其中T為甲基)。以GPC分析MPEG2000-CTBN-MPEG2000可知其數目平均分子量為15,009。
製備例3(製備MPEG5000-CTBN-MPEG5000)
與製備例1類似,差別在於將製備例1之MPEG750置換為MPEG5000(購自Aldrich,分子量5000)。同樣以FTIR與1H NMR鑑定產物MPEG5000-CTBN-MPEG5000,可觀察到類似性質證明成功製備產物MPEG5000-CTBN-MPEG5000(如式1,其中T為甲基)。以GPC分析MPEG5000-CTBN-MPEG5000可知其數目平均分子量為29,525。
比較例1
取100重量份之雙酚A型環氧樹脂(購自Ciba之Araldite LY 556)、90重量份之酸酐硬化劑(購自Huntsman之Aradur 917)、與2重量份之促進劑(購自Huntsman之Accelerator DY 070)置入高速均
質攪拌機(High Speed Dispersed Homo Mixer,由台灣伸球企業有限公司所製造,型號為HC0025)中均勻混掺,以得基質。
接著於30℃下攪拌上述基質,再將基質灌入試片模具中硬化(硬化條件:80℃恆溫4小時,接著150℃恆溫8小時),即得環氧樹脂複合物之試片,且試片尺寸依ASTM測試方法而定。
比較例2-1
於30℃下攪拌85重量份之比較例1的基質,再加入約15重量份之CTBN(Hypro 1300X13)作為增韌劑,再攪拌30分鐘。將上述混合物灌入試片模具中硬化(硬化條件:80℃恆溫4小時,接著150℃恆溫8小時),即得環氧樹脂複合物之試片,且試片尺寸依ASTM測試方法而定。
比較例2-2
與比較例2-1類似,差別在於基質用量減少至80重量份,而增韌劑CTBN之用量增加至20重量份。
實施例1-1
於30℃下攪拌95重量份之比較例1的基質,再加入約5重量份製備例1之MPEG750-CTBN-MPEG750作為增韌劑,再攪拌30分鐘。將上述混合物灌入試片模具中硬化(硬化條件:80℃恆溫4小時,接著150℃恆溫8小時),即得環氧樹脂複合物之試片,且試片尺寸依ASTM測試方法而定。
實施例1-2
與實施例1-1類似,差別在於基質用量減少至90重量份,而增韌劑MPEG750-CTBN-MPEG750之用量增加至10重量份。
實施例2
於30℃下攪拌95重量份之比較例1的基質,再加入約5重量份製備例2之MPEG2000-CTBN-MPEG2000作為增韌劑,再攪拌30分鐘。將上述混合物灌入試片模具中硬化(硬化條件:80℃恆溫4小時,接著150℃恆溫8小時),即得環氧樹脂複合物之試片,且試片尺寸依ASTM測試方法而定。
實施例3
於30℃下攪拌95重量份之比較例1的基質,再加入約5重量份製備例2之MPEG5000-CTBN-MPEG5000作為增韌劑,再攪拌30分鐘。將上述混合物灌入試片模具中硬化(硬化條件:80℃恆溫4小時,接著150℃恆溫8小時),即得環氧樹脂複合物之試片,且試片尺寸依ASTM測試方法而定。
分別對比較例1、比較例2-1、比較例2-2、實施例1-1、實施例1-2、實施例2、與實施例3分別進行樹脂韌性評估-(1)拉伸韌性Tensile toughness(ASTM D638);(2)破壞韌性Fracture toughness(Izod impact,ASTM D256);(3)斷裂韌性K1c:Single-edge notched bending(SENB,ASTM D5045);(4)斷裂韌性G1c(ASTM D2344)、與(5)耐熱性測試(玻璃轉移溫度,Tg),測試數值越高代表韌性或耐熱性越佳,測試結果如第1表所示。
由第1表可知,添加製備例之增靭劑可有效提升環氧樹脂複合物的拉伸韌性與破壞韌性,且熱安定性(Tg)可維持與純環氧樹脂相同水準(約152.2℃)。綜上所述,本揭露製備的增靭劑可有效提升環氧樹脂的靭性,且解決傳統增靭劑如CTBN降低環氧樹脂熱安定性的問題。
雖然本發明已以數個實施例揭露如上,然其並非用以限定本發明,任何本技術領域中具有通常知識者,在不脫離本發明之精神和範圍內,當可作任意之更動與潤飾,因此本發明之保護範圍當視後附之申請專利範圍所界定者為準。
Claims (7)
- 一種共聚物,具有結構式:
其中R係C1-6之烷撐基;T係C1-6之烷基;l介於0.05至0.3之間,m介於0.1至0.2之間,n介於0.5至0.8之間,l+m+n=1,x介於40至100,以及o介於10至120之間。 - 如申請專利範圍第1項所述之共聚物,其中T係甲基。
- 一種環氧樹脂複合物,包括:100重量份之環氧樹脂;以及1至20重量份之增韌劑,其為一共聚物且具有結構式:
其中R係C1-6之烷撐基;T係C1-6之烷基;l介於0.05至0.3之間, m介於0.1至0.2之間,n介於0.5至0.8之間,l+m+n=1,x介於40至100,以及o介於10至120之間。 - 如申請專利範圍第3項所述之環氧樹脂複合物,其中T係甲基。
- 如申請專利範圍第3項所述之環氧樹脂複合物,其中該環氧樹脂包括雙酚A型環氧樹脂、雙酚F型環氧樹脂、酚醛清漆型環氧樹脂、甲酚-酚醛清漆型環氧樹脂、四官能基胺型環氧樹脂、或上述之組合。
- 如申請專利範圍第3項所述之環氧樹脂複合物,更包括1至100重量份之添加劑。
- 如申請專利範圍第6項所述之環氧樹脂複合物,其中該添加劑包括硬化劑、促進劑、阻燃劑、抑煙劑、紫外線吸收劑、或上述之組合。
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