Understanding high temperature resins - ProPolymers sheets/Understanding high... · 2017. 2....
Transcript of Understanding high temperature resins - ProPolymers sheets/Understanding high... · 2017. 2....
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Understanding High Temperature Resins
ProPolymersHigh Temperature Resins
Resins
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Overview
• About Pro Polymers
• Comparison of temperature resistance
• Detailed look at PPS, PPE, PEI, PSU, LCP,
ProPolymersHigh Temperature Resins
• Detailed look at PPS, PPE, PEI, PSU, LCP, PPA, PA 4,6, PET, PBT
• Comparison of properties
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Pro Polymers Overview
• Located in Stockbridge, MI • We only compound high temperature resins• Twin screw compounding lines are set up to
compound high temperature resins and a variety of additives including PTFE,
ProPolymersHigh Temperature Resins
variety of additives including PTFE, Silicone, and reinforcements.
• Complete lab, ability to do chemical resistance testing
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Amorphous vs. CrystallineM
od
ulu
s
TgTm
ProPolymersHigh Temperature Resins
Temperature
Mo
du
lus
crystalline
Amorphous
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Test Methods
• Melt Temperature– Thermodynamic– Processing
• Glass Transition Temperature– Temperature at which a polymer changes from hard and brittle to
ProPolymersHigh Temperature Resins
– Temperature at which a polymer changes from hard and brittle to soft and pliable
• Relative Temperature Index UL 746B– Long term temperature at which <50% of properties are lost.– Elec., Mechanical, and Impact
• Thermal Deflection Temp.- Heat Distortion Temp.– ASTM D648 66 or 264psi, Temp at which a Flexural bar deflects
under a given load.
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Heat Resistance
400
500
600
700
800
Deg
. F Glass trans.
HDT 264 psi.
ProPolymersHigh Temperature Resinsdid
0
100
200
300
PSU PEI PEI30%GF
PPS40%GF
PPE PPA33%GF
PET30%GF
PBT30%GF
PA4,6
30%GF
LCP30%GF
Deg
. F
Melt temp
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PPS - Polyphenylene Sulfide
• 500F HDT. $4-6/lb
• Available in linear and branched
• Excellent flow – flashing problems
ProPolymersHigh Temperature Resins
• Stiff, can be 40-70% reinforced, Brittle
• Applications– Fluid Handling
– Electronic chassis
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PPO/PPE -Polyphenyl ether
• Amorphous $2-3/lb
• Excellent resistance to acid and base, poor to oils
• Easy to process, water cooled tools,
• Good dimensional stability, low warpage
ProPolymersHigh Temperature Resins
• Good dimensional stability, low warpage
• Poor UV resistance, yellows quickly
• Typical applications– Electronic chassis
– Water handling
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PEI - Polyetherimide
• HDT 390-410F
• $7-13/lb
• Amorphous resin with
good gloss and toughness.
• Requires oil heated tools and melt temp of 700F
ProPolymersHigh Temperature Resins
• Requires oil heated tools and melt temp of 700F
• Can be difficult to flow and can have poor knit line strength
• Inherent flame retardence and good chemical resistance.
• Applications– Head lamp reflectors
– Heated food containers and trays
– Aircraft interiors
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PSU - Polysulphone
• Amorphous, 345 F HDT $7-13/lb
• Good Ductility
• Applications
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• Applications– Plumbing connectors and fittings
– Medical devices requiring steam sterilization
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Liquid Crystal Polymer
• Type of polyester typically based on hydroxy benzoic acid Crystalline $5-10/lb
• Combines excellent flow with low shrinkage and low flash.
ProPolymersHigh Temperature Resins
shrinkage and low flash. • Can produce small intricate parts with
varying wall thickness.• Applications
– Electrical connectors
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PPA - Polyphthalamide
• PA 6T variations• Improve on the high temperature resistance of
PA6,6 with lower water absorption.• Good value $3-4/lb.
ProPolymersHigh Temperature Resins
• Good value $3-4/lb.• Excellent resistance to oil based chemicals but
limited resistance to acid,bases and steam• Applications• Under hood fuel rails and components
– Electrical parts from connectors to high voltage
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PA 4,6
• High flow and great toughness
• Very high water absorption 8%
• Price $3-5/lb
ProPolymersHigh Temperature Resins
• Price $3-5/lb
• Applications– Connectors
– Conveyers and wear components
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PET and PBT
• Both polyesters are cost competitive $1.50-2.50/lb
• PET has slightly higher heat resistance but end properties are affected by processing conditions.
• PBT is a good general purpose material
ProPolymersHigh Temperature Resins
• PBT is a good general purpose material
• Applications– Electrical components A-Z
– General mechanical parts
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Chemical resistance
We can test multiple polymers for resistance to your specific environment.
ProPolymersHigh Temperature Resins
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Contact Information
Peter UngerBusiness Development ManagerProPolymers4974 Bird Drive
ProPolymersHigh Temperature Resins
4974 Bird DriveStockbridge, MI 48285Ph: [email protected]