Troubleshooting Rubber Problems
Contents
1. dies 65 nip 71 134 nitrogen 181 nitrosamine 26 noise 173 nonfill 111 250 nonreturn valve 252 nozzle 248 bearing 97 temperatures 250 NR 168 nylon 165 cap strips 171 O occluded air 87 offsetting of leader 120 oil resistance 21 oils 30 organic colors 19 O Ring 14 100 102 151 153 189 194 out of balance 210 output rate 77 overcure 66 89 195 overflow 122 cross sections 123 design 123 overmolding 57 248 LSR 63 overpacking 252 oxidation 186 oxygen 31 ozone 31 191 cracking 35 resistance 10 45 193 P painting 239 pale crepe 238 paraffinic 30 55 particles 75 size 28 parting line 44 108 182 peel test 63 pellet 27 drying 249 penetration time 201 perflouoroelastomer 189 permanent set 195 permeability 164 peroxide 18 21 23 cured hose 203 pharmaceutical stopper 122 phase separation 249 phosphatizing 59 phthalic anhydride 26 physical properties 37 103 pin barrel extruder 83 ping 164 pitted extrudate surface 264 plasma 57 plastic carriers 84 plasticizers 30 55 112 210 plastisol 46 217 platen deflection 99 sizes required 179 temperatures 99 platinum catalyst 19 plunger 109 polarity 82 polyamide fibers 163 polyester 165 polyisoprene NR and IR 14 polymer combinations 236 polyurethane tires 180 porosity 77 88 265 postcuring 18 posts 91 pot lives 42 pot plunger clearance 107 power steering hose 206 precuring 62 predispers2. 166 bladder 175 molding 174 blended colors 209 blind holes 124 blisters 133 135 173 260 bloom 11 23 34 blow molding 260 blown films 271 body cords 172 body ply skim 171 bond failure 149 bonding 7 coatings 265 bondline corrosion 61 bovine foot rot 154 brake hose 200 206 bridge bearings 95 185 brittle 15 broad MWD 112 bromobutyl rubber 171 buffing 38 bungees 155 butt splices 191 C C3M Continuos Cold Componding 166 cable jackets 152 CAD 111 calcium oxide 13 82 calendering 2 133 equipment 133 carbide 107 carbon black 22 27 28 77 158 171 pellets 73 carboxylated latex 45 carrier resin 237 cartridge heaters 100 cartridge life 119 casket seals 190 castable polyurethanes 42 casting 211 causes of fouling 131 cavity filling 102 cavity filling progression 252 cavity finish 117 cavity fransfer mixer 82 center gating 259 centrifugal casting 42 centrifugal growth 168 channel geometry 83 channels 94 characterization 20 chemical deterioration 149 chemical stability 33 chlorinated solvents 59 chlorination 56 192 chlorine 151 circuit path 247 clamp force 245 cleaning capability 86 clean out batch 209 clean room 45 clearance 156 closed cell 212 CM 21 coagulant dipping 216 coating 239 rolls 42 coatings 46 coaxial machine 113 cobalt 31 coefficient of friction 192 235 co extrusion 266 cold feed 80 cold flow 2 cold runner 126 cold transfer mo
3. 24 FEA 152 162 feeding 77 difficulty 75 irregular 75 material 134 zone 76 fibers 169 FIFO 113 fillers 27 42 44 fillets 159 fine grained 116 fire retardant 271 fish lures 275 FKM 13 flame retardant 20 flammability 36 60 flash 20 23 45 85 87 93 96 108 121 253 260 263 flashing 250 flex crack resistance 193 195 flexible mandrels 208 flex life 17 flex resistance 18 Flexzone 3 C 33 flock 57 floor mats 156 flow behavior 182 flow lines 253 flow patterns 103 104 fluid channels 246 fluid ingress 149 fluoroelastomer 14 36 food trays 272 foreign matter 65 free radicals 33 105 freeze thaw stability 60 freshening remilling 17 friction drive 192 frosting 34 fume collectors 27 fumed silica 18 19 G gaskets 189 gates 119 gear pumps 86 gel like TPE 235 general design considerations 182 gland 99 glass flake 191 glastherm 99 Gough Joule effect 189 grease 257 green strength 12 14 114 grinding mills 153 grit blasting 59 H hardening 197 hardness 29 of fillers 70 heat aging 19 buildup 169 174 conductivity 176 heater bands 100 heating hose 205 heating methods 118 heat transfer 94 254 heat welding 267 helicopter 185 high extruder output 83 high filler contents 131 high injection pressures 251 high molecular weight 79 high quality steel 110 high sulfur 16 high viscosity elastomers 42 hinged molds 120 HNBR 20 21 35 hole 124 192
4. 254 hood stops 272 hopper 69 71 hose 43 abrasion 208 design 207 failure 208 mandrels 207 manufacture 207 hot air vulcanization 75 hot feed 80 hot runner 125 hot tear strength 44 H pattern 127 humidity 11 hydraulic 243 engine mounts 199 hose 200 274 hydrogen bonds 17 hysteresis 29 IIR 11 135 IMPACT 166 impact absorber 33 induction heaters 101 heating 168 inflatable dam 164 traffic hump 164 information sources 2 ingredients 8 9 injection compression molding 102 injection molds 115 injection molded bellows 128 injection molding 17 110 179 243 machines 113 244 simulations 258 injection rate 251 injection transfer 106 inner liner 171 inner tubes 191 in place cleaning 132 inserts 183 insoluble sulfur 23 insulation 99 101 intermix 68 inventory 23 25 iridescent blooms 34 sheen 34 iron oxide 18 irregular feed 75 isobar 101 117 J jetting 251 K keyboard spring 163 kinking 267 knitting 88 L lands 120 land width 120 121 lap splices 191 large batches 25 laser cleaning 132 laser engraving 135 L D ratio 80 245 leach 35 leader pins 119 lime 253 loading fixture 95 locating pins 98 low creep mounts 187 low extrudate temperature 83 low frequency heater 58 low protein NR 163 low resistivity rubber 67 low sulfur 16 low viscosity 21 41 low volatility 33 LSR 19 43 44 lubricant 179 lumps 77 M magnesium oxi
5. 40 Die C 40 die cross section 78 die cut 16 die design 83 die entry 78 die length 79 diesel engines 199 die swell 29 77 79 different grades of NR are reported to impart different degrees of die 79 dimensional stability 243 dimensions 253 diphenylthiourea 245 dip molding 47 215 dipped articles 216 dipping 46 process 217 disclaimer 6 discoloration 32 disperse 237 dispersion 25 65 72 dissimilar metals 109 distortion 88 DOTG 35 dowels pins 98 down hole applications 21 draft 183 angles 258 drawbar 160 draw ratio 90 drool 253 dry colorants 238 drying 236 of pellets 236 times 62 dust collection 69 dust stop 70 dynamic testing 200 E EAM 35 earthquake mounts 186 ejector pins 257 elastomer 8 alloy 76 blends 22 type 9 electrical contacts 56 electrical properties 203 electric cartridges 118 electrochemical failure 203 elongation 29 engine mounts 198 hydraulic 199 environmental concerns 62 EPDM 11 76 161 EPDM SBR blend 22 equipment 243 ester 55 ethanol 173 245 ethylene glycol 62 EVA bags 68 EVM 189 EV system 26 expansion joints 187 209 experiment design 8 extensometers 37 extraction 31 extrudate appearance 79 extrudate quality 74 extruded blades 191 extruded corners 85 extruder tolerances 86 extrusion 2 73 243 263 blow molding 261 process 74 temperature 77 F fabric 90 106 weaves 206 face relieved dies 74 factice 30 75 fatigue life
6. HANSER Stichwortverzeichnis John Sommer Troubleshooting Rubber Problems ISBN Buch 978 1 56990 553 1 ISBN E Book 978 1 56990 554 8 For further information and order see http www hanser fachbuch de 978 1 56990 553 1 or contact your bookseller Carl Hanser Verlag M nchen A abbreviations 279 abrasion resistance 13 29 abrasive fillers 114 absorption 32 accelerated aging 35 acetone 58 acid acceptors 235 acidic clays 23 acid rain 35 ACM 35 adhesion 21 55 103 265 promoters 58 AEM 22 aggregates 27 aging 12 151 aids to troubleshooting 2 air access 18 aircraft recorder belts 194 aircraft runway seals 190 air marking 88 air springs 163 air trapping 92 178 air viscosity 87 allergic reactions 192 alternative material 8 aluminum trihydrate 36 anatase 238 antidegradants 31 antioxidants 31 274 antiozonants 31 274 a handling problem 33 appliance wires 33 APU 166 aramid 151 165 aromatic 55 ASTM 184 ATOM 166 attachment of heavy molds 277 autocatalytic oxidation 14 automation 7 automotive air ducts 234 axial compression 160 B baby bottle nipples 192 backrinding 88 98 balloons 153 bar code 68 barrel length 79 temperature 250 bead bundles 172 bead filler 172 bead wire 170 bearings 15 bellows 184 belt 151 176 193 durability 174 edge separation 171 skim 172 slippage 195 BIRD Bridgestone Innovative and Rational Development
7. cation 19 TPE 4 T peel 63 TPO 235 TPU 235 degradation 254 seals 190 TPV 234 trace metals 205 training 5 transfer mold design 107 transfer molding 102 transmissibility 158 transparency 20 trapped air 111 triple 8 cure 11 trowelable rocket insulation 213 truck tires 174 TSE 4 236 turbocharger hoses 204 two phase materials 233 two plate designs 259 two plate mold 126 two shot molding 247 two step mixing 71 U ultrasound 89 ultraviolet light 18 undercure 45 111 undercut 3 93 183 underfill 45 under hood temperatures 200 underinflated tires 181 underpacking 251 Underwriters Laboratories 276 uniformity 67 uniform velocity 74 upside down mixing 72 UV curable silicone 265 V vacuum 18 128 environment 101 extruder 82 shrouds 129 vapor degreasing 59 V belts 193 vent 252 257 plugs 178 venting 128 178 vibration damping 234 vibration isolators 196 viscosity 9 77 135 voids 264 voids porosity 65 volatiles 18 105 volatile ingredient 65 W wall gauge 77 wall thickness 37 84 124 183 261 266 warming rooms 16 warpage 250 water based adhesives 60 water treatment 101 waxes 31 weather strip 34 85 weld line 248 wet grip 13 whiteness 29 Y windshield wiper blades 191 Yarn 150 wiping 103 119 wire and cable 212 work softening 197 Z zinc oxide ZnO 10 152 X zinc phosphated steel 62 zinc stearate 58 152 239 X ray inspection 181 zone heating 118
8. de 113 magnets 183 magnetic clamping 132 magneto rheological fluids 199 manganese 31 material 2 3 medical devices 121 hose 208 melt flipper 127 259 metal forming lubricants 59 metallic mass 62 microbes 33 microgrinding 116 microvents 178 microwave 16 heating 97 migrating ingredients 56 migration 152 milking inflations 154 mill 71 244 roll 71 MIRS 166 mixers 69 mixing 2 equipment 27 machines 43 problems 68 temperature 29 modified from 187 79 modulus 15 65 172 256 measurements 37 moisture 18 24 42 61 249 barrier 236 249 in TPEs 236 mold cleaning 131 construction 20 98 damage 96 design 247 251 257 edge 258 fouling 20 129 255 handling 117 heating 100 117 maintenance 256 materials 116 parting line 177 platens 99 plate thickness 98 release agents 89 runners 125 size 92 spray 88 storage 257 surface treatments 256 temperature 113 253 wear 258 mold cavity position 63 molding 73 behavior 29 cycle times 237 factors 44 methods 89 presses 180 simulation 20 molecular weight 12 23 Mooney viscosity 29 mounts 156 earthquake 186 engine 198 199 low creep 187 MTM 166 multicavity molds 95 multicut transfermix 81 multilayered fuel hoses 204 N naphthenic 30 55 nature of rubber 4 Naugard 445 35 nauseated 26 NBR 20 Neoprene 10 net shape processing 85 neutral angle 207 nickel 31
9. ilicone 17 76 rubber band 156 ligation 156 rubber covered horseshoes 155 rolls 210 Rubber Manufacturer s Association 129 run flat tires 179 runners 109 runner volume 125 rutile 238 S SAE 184 safe materials handling 248 safety 236 244 276 sagging 261 SBC 234 SBR 12 cold 12 emulsion 12 solution 12 scaling up 67 scorch 26 45 86 95 97 134 life 3 resistance 21 safety 23 24 sensitive compounds 70 scrap 110 125 133 screw length 76 speed 79 wear 75 seals 187 273 aircraft runway 190 casket 190 design 273 radial lip 188 sunroof 188 TPU 190 seal design 273 sealing board 107 seat belt sleeve 262 SEBS 234 self bondable 20 self degating 126 self sealing fuel cells 202 semi EV 26 serpentine belt 194 service life 174 service temperature 198 237 sharpness 38 shearing 41 modulus 30 64 stiffness 185 Shore A 20 short breaks 65 shoulder inserts 172 shrinkage 95 104 251 253 shrink marks 260 shuttle tire pressure 172 Silentbloc 197 silicon oil 19 purity 20 silver 56 based additive 33 single ply roofing 161 skateboard wheels 42 skid marks 239 sleeves 210 small machines 246 soccer balls 272 software 258 solubility 33 solvent based adhesives 60 solvent penetration 16 space shuttle tires 172 spark plug boot 98 SPC charts 69 specialized testing machines 67 specifications 184 spherical bearing 160 spider die 74 s
10. ions 25 preform 92 shape 109 weight 98 preheated compound 106 preheating 60 98 prepolymer 43 presses 152 press platens 99 pressure sensors 103 prestretching 38 problem solving 1 process 3 9 243 aids 29 processability 19 processing 2 67 product considerations 149 product costs 215 productivity 74 projected area 102 245 252 pro oxidant 16 prosthetics 274 pumpable LSR 43 purchasing specification 69 Q quadruple lap specimen 64 R radial lip seals 188 radiator hose 202 radii 84 159 183 258 266 radiusing 37 raised lettering 247 ram 70 71 extruders 81 weight 28 rayon 165 reactive plasticizers 30 rebuild 71 recipes 8 recyclable 255 recycling 7 refrigerant hose 205 regenerative brake systems 155 reinforcement 149 151 194 reinforcing materials 150 residence time 84 retarder 27 98 retractable cores 251 reverse taper 249 reversion 18 resistance 16 revert 18 Reynolds R number 247 RFID 209 RFL treated 193 ribs 266 RIM 42 RMA hose handbook 201 robots 170 rocket insulation 213 roller deflection 211 roller head extruder 83 rollers 273 rolling resistance 13 173 174 roofing 161 rotors 69 roughening 57 rough surface 265 rubber 5 8 bullets 155 cellular 212 cements 135 coatings 45 composites 63 ground 29 halobutyl 171 hard 213 lining 153 mirror 154 molding 87 natural 5 14 overmolded 57 polar 55 preheating 97 s
11. lding 102 105 108 color 209 237 239 247 change 34 pigments 238 streaking 264 colored compounds 83 communication 149 257 difficulties 110 composites 151 compound flow 105 compounding ingredients 58 compound properties 36 compound viscosity 29 compressed air 59 compression molding 89 compression ratio 245 264 compression set 66 187 compressive modulus 40 compressive stress 40 relaxation 187 conditioning hose 200 conductive SEBS 276 constrained layer damping 41 contamination 73 continuous extrusion 82 conveyor belts 152 193 coolant channels 247 cooling capacity 256 COP 236 249 copper 31 cork 189 190 Corpo technology 150 corrosion 69 corrosive compounds 36 cost 8 9 110 237 273 factors 129 performance 235 reduction 7 cotton 150 coupling agents 173 cow Related 154 cracked rotor 3 crack growth 149 creep 99 187 crosshead extruder 81 crosslinking 4 16 system 16 25 cross section 235 cryogenic tumbling 121 crystalline melting point 237 crystalline regions 15 crystallization 14 16 CSM 11 22 CTP 27 curative solubility 22 cure inhibition 19 cure times 19 curing presses 90 cut growth 14 CVJ boots 236 274 D damping 36 37 41 daylight 91 98 dead spots 83 definitions 283 deflashing 87 degree of freedom 156 delivery dates 259 demold 183 demolding 44 45 97 design 2 3 considerations 182 275 dichlorobenzoic acid 19 dicumyl peroxide 87 Die B
12. play 260 275 sprinkler heads 214 sprues 106 109 diameters 110 selection 109 stacking methods 70 staining 32 stainless steel 62 static electricity 208 steel 5 selection 117 steer by wire 207 sticking 88 sticky compound 75 stiff soil 186 storage 31 strain crystallization 14 strengthening members 275 stress concentration 159 stress relaxation 66 188 stress strain 38 structure 28 substrates 55 subtread 173 sulfur 23 dispersion 24 donors 24 solubility 24 sunroof seals 188 surface treatments 56 surgical gloves 163 surging 264 swelling 195 201 T tack 14 135 tackifiers 135 167 tackifying resins 29 taper 108 tapered interlocks 120 tapered sprue 109 taste 41 tear resistance 29 tear tests 40 tennis balls 164 tensile strength 65 testing 38 64 T 13 15 87 173 254 thaw 15 thermal conductivity 99 114 thermal considerations 97 thermocouples 97 118 thermoplastic elastomers 233 three plate mold 127 through holes 124 tie gums 61 timing belts 193 195 tire 164 aging 169 181 belted bias 170 diameter 172 earthmover 181 green 176 large aircraft 172 manufacturing systems 166 radial 170 176 body ply skim 171 recycling 182 semi pneumatic 180 solid 42 180 solid rubber 61 truck 174 tubeless 171 wear 168 titanium dioxide 238 TMTD 245 toggle 243 clamps 245 torque 27 toughness 116 260 toxicity 46 toxicological classifi
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