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1、,Application of Silica & Carbon Black,April.26th.2011,Wuxi Quechen silicon chemical Co.,Ltd,Q&C Wuxi Quechen Silicon Chemical Co.,Ltd.Position:,The Front View and location of Company,Economic Development Zone of BanQiao Fengyang Anhui (New),DongHuTang Wuxi,。,公司的历程 Company History,白炭黑的应用 Application
2、of Silica & Carbon Black,白炭黑的一般特性与产品 General properties and our products of silica,Agenda,2003,Foundation,1st plant commercial silica production,Production of advanced silica,The 3rd line Construction in Wuxi( 160 acres),Plant construction in Fengyang Anhui (800 acres),Development History,Company hi
3、story,2005,2007,2009,2010,2011,2012,Establish RD Center at Q&C,2016,Total cap of silica 370,000MTYR sodium silicate 560,000MT/YR,Achievement of Big 3 Silica maker,Prospect and Development of silica,Trend and Requirment of silica 1.To reduce contamination(CO2etc) 2.To reduce fuel energy consumption 3
4、.To prevent environmental pollution and harmful health 4.To induce next generation filler 5.To prepare green round and regulation,General properties of Silica,Chemical structure,SiO2 + -(-Six(OH)y-)n-,1.Natural Silica 2.Synthetic Silica -Amorphous type （1）Fumed silica (pyrogenic process)-Anhydrous s
5、ilica （2）Electric arc silica (Pyrogenic process) （3）Fused silica （4）Silica gel (Wet process) （5）Precipitated silica (Wet process)-Hydrated silica,Precipitated silica Na2CO3 H2O/H2SO4 High purity sand = Silicon oxide =Silicate glass (SiO2/Na2O) = SiO2 (SiO2/Na2O)aq + 2 H2SO4 SiO2 + Na2SO4 + H2O Polym
6、erization Nucleation Growth Aggregation Consolidation,Manufacturing methods of silica,Vitrous Silicate,dissolution,H2O,Dilution,precipitation,Sand,Sodium Carbonate,Mixing Chamber,Oven 1400,Liquid Silicate,slurry,cake SiO2 + H2O liquefaction,Drying,filtration washing,storage,H2SO4,micronization,grind
7、ing,compacting,Layout of Main Manufacturing process,Definition,Types,Reinforcing agent : Silica, Hard clay Filling agent : Soft clay, CaCO3, Ca(OH)2,TALC.,.,Inorganic filler,1) Reinforcing agent is used for improving hardness, tensile strength, tear strength and abrasion resistance 2) Filling agent
8、is used for reducing cost, improving processibility and increasing rubber volume without deteriorating physical properties.,0 20 40 60 80 100 200 300 400 Volume specific surface area,/cm3 Figure49 A perspective of the Surface Area of Differrent for Rubber,Volume specific surface Area of fillers,Requ
9、ired properties (1) Good dispersity of filler (2) No effect of processibility (3) No effect against water, chemicals, thermal and sunlight (4) High filling of filler in compound. (5) Low cost,Current situation,General properties of silica,Material Overview,4,Coupling Reaction of Silica/Silane/Polyme
10、r,Silanol Group of Silica,Bis-(3-Ethoxy Silylpropyl)- Tetrasulfane (Si-69),Si,O,H,Si,O,H,Si,O,H,Si,O,H,Si,O,H,+,C,2,H,5,O,Si,O,C,2,H,5,O,C,2,H,5,(,C,H,2,),3,S,4,(,C,H,2,),3,Si,O,C,2,H,5,O,C,2,H,5,O,C,2,H,5,-,C,2,H,5,O,H,Intermediate,Performance comparison of Silica vs. Carbon Black Compounds,CARBON,
11、SILICA,CONTENTS,100,105,Wet Traction,100,110,Rolling Resistance,100,97,Wear,Properties,0 tan Hydrophilic -OH Group,Hysterisys,Dispersion Polymer,High,Low,Low S-SBR,Low,High,High E-SBR,Comparison of Silica vs. Carbon Black Compound,Surface Area (m2/g),120,140,160,Dispersibility,HDS,Standard,Improve A
12、brasion,Improve RR,Improve Processability,Newsil-175 ,VN3,Newsil-115,VN 2,Silica properties & Tires Performance,CDT MATERIAL PART,Silica Application for Green Tire,BACKGROUND,“Green Tire Concept” introduced into European Market. This can be achieved mainly with silica/silane system and a special sol
13、ution SBR polymer to overcome the trade-off problem in performances among wet grip, rolling resistance and abrasion. Poor interaction of silica with elastomer leads to the careful selection of microstructure of solution SBR to get optimum reinforcement.,Items Control 1.2phr silane,Tensile strength (
14、kg/cm2) 171 234 300% modulus (kg/cm2) 67 154 Elongation, % 500 384 Shore A hardness 61 56 Rebound 67 70 Heat Build-up 25 15 Bound Rubber 30 45 PICO (mg) 0.035 0.029,Recipe : SBR1502 100, Hi-Sil 233 60, Oil 10, SnO 4, Stearic acid 1, Antioxidant 2, Wax 2 TMTD 4.5 Silane : -Mercaptopropyltrialkoxy Sil
15、ane,Effect of silane coupling agent on the bound rubber formation and physical properties of silica filled rubber,Ideal Properties of Tire Performance,Rolling Resistance,Abrasion Resistance,Wet Grip(with High Tg S-SBR),Carbon Black,Silica + Si - 69,Products Overview,(1)Classification of our products
16、 （2）Products Appearance,普通型CS,环保无尘GRS,易分散EDS,低聚/高分散 LPS/HDS,Newsil 125 Newsil 155 Newsil 175 Newsil 195,Newsil 115GR Newsil 125GR Newsil 135GR Newsil 145GR Newsil 155GR Newsil 175GR Newsil 195GR,Newsil 125FFG Newsil 155FFG Newsil 175FFG Newsil 195FFG,Newsil 1115MP Newsil 1125MP Newsil 1145MP Newsil
17、1165MP Newsil 1195MP,Newsil 1115GR Newsil 1125GR Newsil 1145GR Newsil 1165GR Newsil 1195GR,颗粒(granule),粉末(powder),微珠(micro-pearl),Quality Certificates,ISO9001,FAMI-QS,ISO22000,Production Certificate,Laboratory,1.Chemical Equipments,2.Physical Equipments(on preparing),Future new concept fillers,1. La
18、yered polysilicate SiO4 Tetrahedral sheet/Cation (Na+)/ SiO4 Tetrahedral sheet -. Kaolinite SiO4 Tetrahedral sheet/AlO2(OH)4 Octahedral sheet - SiO4 Tetrahedral sheet/AlO2(OH)4 Octahedral sheet -. Layered Double hydroxide (LDH) M 1-x 2+Mx 3+(OH)2 Brucite-type sheet/Anion/ M 1-x 2+Mx 3+(OH)2 Brucite
19、type sheet *Kaolinite has higher interaction ability toward a wider variety of guest species than other material = High crystallinity = High Aspect ratio = Confined interlayer,2. Nanocomposite (Intercalation of organic material into plates of nano-clay),- - - - -,- - - - -,- - - - -,- - - - -,Treatm
20、ent of organic material,Na+ Na+ Na+,+N-R3 R3-N+ +N-R3,Increase distance between plates of silicate Formation of ionic bonding,3. Clay : Layered Silicate Basic structure : the combined structure of silica (=tetrahedral structure) and alumna (=octahedral sheet).,Manufacturing method of nanocomposites and its characteristics,4.Manufacturing method,Thank you! 谢谢！,-Q&C QueChen,Have a good day ! 祝大家愉快！,