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1、感壓膠與3M膠系,Jacob Lin林欽傑,感壓膠,PSA:Pressure Sensitive Adhesive定義自然的黏彈性質快速及長久的黏性使用手或手指施壓即發生黏性不須水,溶劑或熱與之反應即可得其黏性擁有相當的保持力(內聚力)有足夠的內聚力與彈性,Pressure Sensitive Tape Council,兩大信條,PSA=Adhesion+Cohesion膠帶=黏性+結構最大的貼合效果=最大的接觸面積,膠必須 流動 後去 接觸 到被貼物,四元素,溫度增加膠的黏度加速膠的流動增加溼潤壓力加速膠的流動增加表面溼潤去除氣泡,時間使膠流動貼合表面粗糙度表面能量,貼合表面-金屬表面,達因
2、/公分表面1103銅840鋁753鋅526錫458鉛700-1100不銹鋼250-500玻璃,貼合表面-高能量表面塑膠(HSE),達因/公分表面50KaptonR 工業薄膜47酚樹酯46NylonR45醇酸樹酯琺瑯43聚酯(PET),環氧樹酯漆,PU漆42ABS,PC39硬質PVC38NorylR樹酯,壓克力(ex:PMMA),貼合表面-低能量表面塑膠(LSE),達因/公分表面37PVA36乙縮醛,PS35PolaneR漆33EVA31PE29PP28TedlarR聚乙烯氟化物薄膜18TeflonR鐵氟龍,黏彈性,極大,極大,黏著力的性質,內聚力的性質,軟性和硬性的膠,硬性膠較少的立即性接觸低
3、的初期鍵結力須較長的滯留時間好的保持力軟性膠相當好的立即性接觸高的初期鍵結力須很少或不須滯留時間較差的保持力,膠的種類,橡膠/壓克力/矽利康 膠系之鍵結比較,Bonding System Adhesive Technology Platforms,Adhesive type and the related,Adhesive type2mil ATT producttemp.resis.(Short term)100MP9460260100966230200MP467MP2038008PT series1493509482PC1779888T series120300LSE9671LE14930
4、0MP6032PC1213009471121,ScotchTM Laminating AdhesiveAdhesive Types,Acrylic-based Adhesives#100#200#200MP#220#400#100MP(600)Modified Acrylic Adhesives#300#300MP#320#350#900Rubber-based Adhesive#700Specialty Adhesives#1000#1200,100-Hi-Temperature Acrylic,Excellent bond to metalOutstanding temp performa
5、nce(232oC)Excellent chemical resistanceLow outgassingLow chlorideProductsNo.Adh ThkLiner966 2 mils62#DK941 2 mils58#PCK9461P1 mil55#DK,100MP(600)-VHBTM Acrylic,Highest performing adhesiveSlightly higher temp resistance than#100Outstanding temp performance(260oC)Tremendous shear strengthProductsNo.Ad
6、h ThkLiner7979 2-0.5-2 mils58#PCK9460 2mils58#PCK,200-Hi-Performance Acrylic,Excellent bond to metal and plasticsHigh Temperature Performance-up to 177CExcellent Solvent ResistanceLow outgassingLow chlorideProductsNo.Adh ThkLiner467 2 mils62#DK467MS 2 mils58#PCK468 5 mils62#DK468MS 5 mils58#PCK,200M
7、P-Hi-Performance Acrylic,Modified Performance of#200Higher Adhesion to High Surface Energy SubstratesHigher Temperature Performance-up to 204 CExceptional Shear StrengthImproved claritySuperior adhesive smoothness,200MP-Hi-Performance Acrylic,ProductsNo.Adh ThkLiner467MP2 mils58#PCK468MP5 mils58#PCK
8、9667MP2 mils86#PCK7952MP2 mils2 liners 7953MP 1.5-0.5-1.5 mils 58#PCK 7945MP2-1-2 mils58#PCK 79xxMP2-n-2 milsOptions,300-Hi-Strength Acrylic,Balanced propertiesExcellent bond to LSE plasticsTemperature 82oCExcellent adhesive flow idea for porous foam and fabric lamination ProductsNo.Adh ThkLiner9471
9、 2 mils60#DK9472 5 mils60#DK9671 2 mils86#PCK,300MP-Hi-Strength Acrylic,Non fibered version of#300Excellent bond to LSE plasticsExcellent shear holding,Temperature 121oCHigher temperature performanceProductsNo.Adh ThkLiner964 13 mils86#PCK9770 2 mils58#PCK9774 4 mils58#PCK96902.25-0.5-2.2586#PCK,350
10、,Excellent bond to LSE plasticsExcellent shear holding,Temperature 232oCHigher temperature performanceProductsNo.Adh Thk Liner9482PC 2 mils 58#PCK9485PC 5 mils 58#PCK9500PC 2.5-1-2.5 mils 58#PCK,300LSE,Excellent bond to LSE plastics,powder coatings and lightly oiled metalsExcellent shear holding,Tem
11、perature 149oCProductsNo.Adh Thk Liner9671LE 2 mils 86#PCK9672LE 5 mils 86#PCK9495LE 2.25-0.5-3.25 mils 58#PCK,400-Hi-Tack Acrylic,Good low temp performance(-50oC)Excellent UV resistanceExcellent clarityProductsNo.Adh ThkLiner9457 1 mil55#DKST-416 4 mil415 4 mil,700-Hi-Bond Rubber,High adhesion to L
12、SETemp resistance 90oCPoor resistance to petroluem-based solventsIndoor applications onlyProductsNo.Adh ThkLiner919 2-1-2 mils58#PCK,900-Adhesive,Double-coated tissue tapeExcellent processing characteristicsExcellent low temp performanceExcellent adhesion to LSEExcellent adhesion to rubberProductsNo
13、.Adh ThkFeatures9448HK 150 umLSE9448S 150 umHigh Temp,1000-Repositionable,Repositionable Adhesive(Post-it?Products)Clean Removal on Most SurfacesGood Holding Strength on Flat SurfacesProductsNo.Adh Thick Liner9449 1.0 mil43#DK55#DK,2000MP Optically clear,Coated using clean room specifications,Modifi
14、ed from#200MP adhesiveHigh temperature(177oC),Product:8161,8171,9483 3M Optically Clear Adhesives are Free of birefringenceRefractive Index of 1.471Light transmission exceeds 99%,when corrected for reflection losses,Peel Adhesion(Initial),Peel Adhesion(Ultimate),Shear Strength(Room Temperature),Shea
15、r Strength(66 C/150 F),Adhesion to Metal,Adhesion to HSE Plastics,Adhesion to LSE Plastics,Chemical Resistance,Ultra Violet Resistance,Plasticizers Resistance,Humidity Resistance,破壞鍵結的原因,膠與被貼物表面是不相容的過粗糙之表面表面污染脫模劑,灰塵粒子塑化劑之游離可撓式PVC,橡膠溢氣Polycarbonate(PC),感壓膠使用時應注意之事項,清潔且乾淨之表面塑料使用異丙醇(IPA)或庚烷(Heptane)金屬使用丙酮/異丙醇(IPA)接觸壓力至少15psi滯留時間在測試或使用前,至少在室溫下靜置13天表面溫度操作溫度必須高於15選擇膠帶必須考慮運送及使用時之溫度,難貼的表面應如何處理,清潔表面脫模劑表面研磨Corona/Frame處理極性化/氧化表面至高能量表面底膠(Primer),
