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1、One Hundred Years of Chemistry in Motion橡胶用酚醛树脂粘合促进剂树脂圣莱科特国际集团Adhesion Promoter Basics Solid versions are added to rubber compounds to increase adhesion to dissimilar materials - OR - Liquid versions typically used in conjunction with elastomer latex applied in dipsto pre-treat fabric or metal to in
2、crease adhesion to rubberWhy use an Adhesion Promoting Resin? Improve bonding between rubber and other constituents of a composite article How? By providing specific adhesion between the rubber and other components of the articleAdhesion Promoting ResinsSchenectady Products SRF-1501 Solid RF Resin S
3、RF 1524 Liquid RF Resin SRF-1704 Lower solids 1524 Elaztobond A 150 Elaztobond A 250NEWintroducing Elaztobond Elaztobond A AA family of ADHESION PROMOTING RESINS developed for use in SKIM COMPOUND to improve rubber to non-rubber bondingBuilding a TirePrior to vulcanization, a tire has many different
4、 parts, Several parts are not made entirely of rubber, Adhesion of the non metal parts to the rubber parts and rubber to rubber adhesion is critical to performance.A Timing beltOther rubber articles contain non-rubber components that must be bonded to the rubber like the fiber reinforcing in a belt
5、or hose.Three Types are Currently Used by the Rubber Industry- Resorcinol Monomer and/or Resorcinol/Formaldehyde (R/F) Resins - SI Group SRF-1501 - Organo-metallic Compounds - Cobalt Napthenate - Cashew Nut Shell Oil Modified (CNSO) Phenolic Resins - SI Group HRJ-11995 All Three have PROBLEMSAdhesio
6、n Promoters- Resorcinol Monomer and/or Resorcinol/Formaldehyde (R/F) Resins - Limited supply - Cost - EHS - Organo-metallic Compounds - Limited supply - Cost - EHS - Cashew Nut Shell Oil Modified (CNSO) Phenolic Resins - Low adhesion - Stiffer rubber compounds formed Adhesion Promoter ProblemsOpport
7、unities for ImprovementEnvironmental, Health and Safety Environmentally Friendly No heavy metals No or low water soluble content Improved Worker Health Low volatility (no blue haze) Low or non-toxic constituents Safe Working Conditions No or low flammable volatile content Opportunities for Improveme
8、ntAvailability and Cost Availability Readily available raw materials Multiple manufacturing sites Global Sourcing Cost Lower costOpportunities for ImprovementPerformance The first goal was to match current performance by outside testing Processing properties before cure Behavior during cure Performa
9、nce after cure Later it appeared some parts of that first goal could be surpassedThe Skim CompoundSkim Compound is used to sandwich the non-rubber components of an articleThe Skim CompoundThe Skim Compound must Have good bonding to the non-rubber materialThe Skim CompoundThe Skim Compound must Provi
10、de extra stiffness to prevent the non- rubber part from moving independentlyThe Skim Compound The Skim Compound must Provide a good bond to adjacent rubber layers that are addedClassic R-F resins Classic R-F resin: High Xlink density High stiffness Good wire adhesion High reactivity High free monome
11、r content RF114-18% RF210-14%Model Skim Compound FormulaMaterialphrSIR-10 NR100N326 Carbon black55 Zinc Oxide8.0 Stearic Acid1.0 Antioxidant 1.0 Antiozonant2.0 HMMM3.0 Adhesion Promoter3.0 Manobond 680C0.50 Accelerator DCBS0.80 80% Crystex sulfur5.0 Total172.8Outside Performance Testing of New Alter
12、native CandidatesMooney Viscosity Cure profile T90 Cure Scorch Physical Properties Tensile Strength % Elongation Modulus Hardness (Shore A) Adhesion Rubber to Rubber Adhesion Rubber to Wire Adhesion Hysteresis Heat build up measured by rebound resistance Flexural Properties Fuming测试方法 TestASTMCommen
13、tODRD 2084-01300FMooneyD 1646-00100CCuring & Molding TD 3182-01300FPhysical PropertiesOriginalD 412-98a(02) D 2240-02bHeat agedD 573-9970C for 72hRubber AdhesionD 413-98(02)0.25” wide at 2 in/minDeMattia FlexD 813-95(00)Pierced samplesBayshore ResilienceRoom TemperatureD 2632-8820CHotD 2632-8830min
14、at 100FWire AdhesionRoom TemperatureD 2229-0215 specimens 0.5” blockAgedD 2229-0221 days 80C, 98% RH硫化性能比较说明Comp 1-3 = 竞争产品（间苯二酚甲醛树脂）A-150 = Elaztobond A 150A-250 = Elaztobond A 250Scorch and cure物理性能比较热老化性能比较粘合性能与镀黄铜钢丝 发烟 间苯二酚的发言问题： 参作员工的健康 易燃性 清洁维护成本 游离间苯二酚的含量： 单体100% B-18s14-20% A150/A2500.1%间苯二酚
15、的挥发 TGA分析，150C:170C下的挥发 挥发速度更快！170C在橡胶中的发烟 样品为100%的天然橡胶覆盖胶 含有4份树脂或间苯二酚单体的未硫化样品 至少25%的间苯二酚单体受热挥发 橡胶中的其它挥发份继续缓慢挥发柔韧性Elaztobond A150: 与B-18-s,B-19-s相当，优于B-20-s. Elaztobond A250: 远优于其它规格纤维粘合力撕裂强度撕裂强度物理性能物理性能与纤维的粘合 聚酯纤维 纤维粘合力更好 撕裂强度相当 物理性能相当 芳纶纤维 纤维粘合力相当或更好 撕裂强度相当 物理性能相当新型粘合促进剂树脂 Elaztobond A 150 与传统间苯二酚甲醛树脂性能相 当 Elaztobond A 250 性能比传统间苯二酚甲醛树脂性 能有提高提问时间 Q&A
