当前位置:文档之家› 马来酸酐接枝乙烯-辛烯共聚物对聚对苯二甲酸丁二醇酯的增韧作用

马来酸酐接枝乙烯-辛烯共聚物对聚对苯二甲酸丁二醇酯的增韧作用

研究快讯c。一uIIicati。雌合成橡胶T业.2004

CHINASYNTHEⅡC03一15.27【2):115RUBBERINDUSTRY

T帆ghellingeffectofethylene—octenecopolymergraftedmaIeic

anhydrideonpolybutyl蛐eterephthalate

WeiGB“91一,Hua“gRujl,So”gB0113

(1.岫腓m。,尸。廿脚r^f0加Ⅱ厶。以正晒腓五怕s池ⅫI№㈣%矾B,枷u610065,矾讹;

2却。n脚nr。,腻缸e一Ⅱ厶s疵n北锄dE昭i删矗7婚胁眦踟讹m毋,c^e啦。610039,chEn叫

3脚nn批n}矿醌em“#m肌^“n№觇mf廿,阮7酵如611930.锄fM)

P以ybutyleneter6phtllalate(PBT)is卸impmt叩tengi眦d“g

the珊0Plaati。pla吕ticduetoit8900dcombinationofpmpenie8

sucha8processability,solventresistance粕dhighraks。f

c。yn丑llizatioⅡ111atauows}mn。yde虹mesiⅡ1njecti㈣ld?

i“蜀bu“t8impact吼rength诂verylowManyinve8tig“onson

PBTtouglIe雎dbytlleinc。。por血…“呷act叫di6ers8uch

asreaction—mad8p0Iyol娟nb∞edco一8fld岫_p0Iymer8con—

taini“gmaleicanhyddde,ep01yorac叫icncidIhnctional

FouphⅡ化beenreponedM呲0f出e∞impactnmd幽脚B龃2graft

cop胡yn陀rswithmamx0fpu弛el删tome一。’“.Inourwork,a

novelimpactmodifiefeb8tomer0fethylene0ctenec州ynIer

F出edIn日leic丑11llyd工ide《POE—g—MAH)/Poly畔“e(㈣

blendswa8preparedbyu8ingatwin昌crew麟咖d盯.

Itc“uldhe嗍fmmlⅢe1thatthetenBile砒rellgtIlof

PBT/POE—g—MAHblendsdecrea"dw岫山eincfe船eof

r瑚s丘acti叽ofPOE—g—MAH,hutt}leimp明t日h“gtllof血e

blendsinc陀ased.Whenmsshcnonof

POE—g—MAHwas

“pt015%,the

iⅢpact她ngth0ftIlehkⅡdsw曲5虹Incshi曲erthnnIhatofpurePBTappr0】【iIIl8tely.A8showninTBble2,tlleimpact8t聪“g山0fPBT/POE—g—MAH/PPbIend8dmostkepIthes哪ekvelwi血tho∞ofPBT/PoE—g—MAHblends,and出eten8丑estre“g山ofPBT/POE—g—MAH/PPblendsi㈣eddightlyTk吕meanttllmPOE—g—MAHaIldPPhadsyne嚼s啦tou曲enillge髓ctonPBT,andelpensivePoE—g—MAHwa吕吕aved.

TaMelmlp眦tshtⅡgm锄dteⅡdk雕砷Ⅱgmof

邝T/PoE—g—MAHMeⅡds

hcollldbe日eenthat

i邮日ct妇ture蛐血ces0fPBT/POE—g—MAHblends帅dP町yPOE—g—MAH/PPblendBweredi行jrentinFig1Fig1(a)8hdwedtllatm8町Pla日吐。P∞hu—sions印peared0n8u血ceHowever,Fig1【b)8howedthatb—ule—to—du毗ilelranshiont00kDlacewheⅡⅢ曲sfractiDn0fPOE—g—MAHw蚰10.5%。andnototllya10t0fp1∞“cdeformationproIrI】8ionsbutabovoi山indiBpe面ond㈣s

TaMe2Imp扯tst咖gmandtensiIestrengthof

PBT/PoE一2一MAH/PPbIends

(a)(h1

(a)PBT/P()E—g—MAH(m舳8嘣;o):85/15

(b)PBT/POE—g—MAH/PP(一s嘴【lo):85/105/4.5

Fig1sEMPhmo目1phsofPBT/PoF—g—MAHblen小

andPBT/PoE—g—M^H/PPblend8

we碑obseⅣedTh诂ren鳅edthataddi“gPPint0POE—g—MAH,theyf0皿ed㈣一BheⅡir。掣ctmodl6er

el跚t0㈣Ⅱm血.

Re缸renc麟:

lTsBlc.ch“gFJApplP0bmsci,1996,61:32l

2彤inaMH,MarkkuTH,JukknVsJAp—P”lym鱼’l,1995,57:

573

马来酸酐接枝乙烯一辛烯共聚袖对聚对苯二甲酸丁二醇酶的增韧作用魏刚“2,黄锐1,宋波’3(1.四川大学高分子材料与工程系,四川成都610065;2.西华大学材料科学与工程系,四川成都610039;3.西华大学化学系,四川成都611930)研究了马来酸酐接枝乙烯一辛烯共聚物(POE—g—MAH)和POE—g—MAH/聚丙烯(PP)共混物对聚对苯二甲酸丁二醇酯(PBT)的增韧作用。结果表明,PoE—g—MAH/PP共混物对PBT的增韧效果优于POE—g—MAH的,PoE—g—MAH和PP并用具有显著的协同增韧作用。扫描电镜照片表明,POE—g—MAH/PP共混物增韧PBT具有软壳一硬核结构。关键词:聚对苯二甲酸丁■醇酯;马来酸酐;乙烯一辛烯共聚物;聚

丙烯;增韧

R刊;甜忑丽f可面

Bio舯phy:wei

GⅡo昏docto训Bludent

 万方数据

相关主题
文本预览
相关文档 最新文档