Presentation on theme: "In Flexible Slabstock Foams PFA – Pt Clear AL 2007."— Presentation transcript:
In Flexible Slabstock Foams PFA – Pt Clear AL 2007
ecomate ® advantages A LIQUID Physical Blowing Agent Patented: US 6,753,357 w others [WP] Pending To Replace Acetone ENVIRONMENTALLY BENIGN ZERO ODP, Negligible GWP, VOC Exempt [US EPA] Excellent Solubility Less Hazardous to Use
ecomate ® Blowing Agent Properties Clear, Colorless, Flammable Liquid Boiling Pt Flash Point LEL \ UEL LAMBDA, gas ( 25 °C) Vapor Pressure ( 25 °C) Auto Ignition Temp Specific Gravity Molecular Weight 88.7 F31,5 C -26 F-32 C % , psig586 mm >840 F>450 C ,982 60
ecomate ® Blowing Agent - Environmental Characteristics ecomate blowing agent is an attractive long term environmental option ODPGWP VOC CFC NO CFC NO HCFC 141b0.1630NO HCFC NO HCFC NO HCFC 142b NO HFC 134a01300NO HFC 245fa NO Cyclopentane011YES ecomate0negNO
Toxicity U.S.EPA HPV Chemical Challenge Program Revised Test Plan for the Formates Category Formic Acid* CAS#: Sodium Formate CAS#: Calcium Formate CAS#: Methyl Formate CAS#: Submitted by: American Chemistry Council Formic Acid and Formates Panel Submitted to: U.S. Environmental Protection Agency Prepared by: Elmer Rauckman, PhD, DABT Toxicology and Regulatory Affairs Freeburg IL May 27, 2003 * Formic Acid is being reviewed as an ICCA chemical and is not formally a HPV chemical.
Toxicity The acute toxicity of all Formate materials is low with NO special hazards Methyl Formate [MF] is transformed very rapidly into formic acid and methanol in the body with a half-life on the order of several seconds. Formic Acid is present in many foods (18) fruit juices ( ppm), honey ( ppm), wines ( ppm), coffee, roasted ( ppm), coffee, extracts ( ppm), evaporated milk ( ppm), and cheese ( ppm) (19). (20). (page 14) The 4-hour inhalation LC50 of methyl formate was > 21 mg/L All found negative in the Ames test No further testing is recommended.
Toxicity The acute toxicity of all Formate materials is low with NO special hazards Methyl Formate [MF] is transformed very rapidly into formic acid & methanol in the body with a half-life of several seconds. Formic Acid is present in many foods (18) fruit juices ( ppm), honey ( ppm), wines ( ppm), coffee, roasted ( ppm), coffee, extracts ( ppm), evaporated milk ( ppm), and cheese ( ppm) (19). (20). (page 14) The 4-hour inhalation LC50 of MF was > 21 mg/L All found negative in the Ames test No further testing is recommended.
Effects of Acetone Long Term Animal Studies Kidney Damage Liver Damage Nerve Damage Increased Birth Defects Lowed Reproduction [Males]
Use in Foams Rigid Pour & Spray Integral Skinned Foams Flexible
ecomate – best alternative to 141b Solvates all Raws currently used BPt. just above ambient [like 141b] Permits good skin formation Allows fast demold times Environmentally Benign Economical – Mol Wt HALF of 141b US EPA SNAP Approved
Flexible Foams Molded & Slab Good Solubility Fine Cells Less Flammable than Hydrocarbons Non-VOC Excellent Hand
Flexible Foams Molded & Slab EcomateAcetone Mol Wt6058 B Pt, °C LEL, vol% 52.5 UEL, vol% Heat of Vaporization, BTU/Lb PEL, ppm TLV, ppm Same MW = Same Density Lower BPt = More Efficient Lower HtVap = Lower Density Higher LEL = Lower Hazard Higher PEL = Lower Hazard Lower GWP NO Baggage – Now or Future !
Full Scale Trials 2 Seamless Trials One MDI, one TDI Both Successes MDI Trial Slabstock and Visco-elastic Foam As Soft or Softer Reaches ALL density ranges More Economical
TDI SLAB TRIAL Pre-Trial Methodology Visitation Determine Current BA Handling & Exhaust Consultation - Storage, Transfer, Use Safely w/o significant changes or expense Calculation – Max Emissions = 0.27vol% Set Up - Fully Engineered, work with local Fire Marshall Inspection - line monitored during run
TDI Trials Two Systems System X High Ecomate loading ~ 4.8% of system Low Density = 0.90 pcf System Y Lower Ecomate Loading ~ 1% of system Higher Thru-put Low density = 0.95 pcf
Ecomate Monitoring TDI Flex SlabstockSYSTEM X SYSTEM Y Foam Thruput, lbs/min Ecomate Thruput, lbs/min Run Time, min Density, pcf Trough [% of LEL] 2%1% Blow-off [% of LEL] 1% Side rollers [% of LEL] 1%0% Cut-off saw [% of LEL] 2%0%
Trial Foams Y X
CONCLUSIONS INTEGRAL SKIN ecomate - a perfect fit solubility, ideal BPt, Lo MW, environmentally benign SLABSTOCK All the Above Less Hazardous than Acetone
ecomate ® advantages A True LIQUID Blowing Agent Good Solubility Good Foam Properties Less Hazardous to USE Cost Competitive BENIGN to ENVIRONMENT No Future Baggage!