Patents by inventor douglas w.Luther douglas w.Luther has filed for patents to protect the following inventions.This listing includes patent applications that are pending as well as patents that have already been granted by the united states patent and trademark office (uspto).Pelletized low molecular weight brominated aromatic polymer.
The oxide content is of 210 mass% to the printed circuit board on the basis of the stoichiometric reaction of oxide and bromine to the corresponding metal bromide or oxybromide.It has been revealed that the formation of hydrogen bromide and brominated organic compounds is significantly suppressed by the addition of zno and la 2 o 3.The.
Chat Onlinethe 5th isfr (october 11-14, 2009, chengdu, china) - 178 - investigation on properties of recycled glass fiber reinforced flame retardant pbt shui d.Zhang*,1 qi ban,2 han x.Huang1,yuan z.Li2 1lab for micro molding and polymer rheology, college of mechanical and automotive engineering, south china university of technology, guangzhou 510640, .
Chat Onlineit contains low melting point brominated flame retardant, antimony trioxide and additives.Use of low melting point brominated flame retardant with powder form may cause blocking at storage and poor dispersion at compounding but this product ease the handling because of the pelletized form.Product hiromaster 99 (hm 99) 2-1.
Chat Onlinebrominated epoxy oligomers.They are offered for applications requiring good uv and light stability.Their polymeric nature is at the origin of better efficiency in flame retardancy.Their bromine content is between 50 and 55% and as they are melt blendable, .
Chat Onlineoil and gas product line lindau chemical pre-promoted anhydride epoxy curing agents lindride anhydrides lindoxy epoxy resins lindron resins nippon soda corrosion inhibitors dcee dichlorodiethyl ether weighting agents barium sulfate olin epoxy resins and curing agents liquid epoxy resins brominated epoxy resins solution epoxy resins epoxy.
Chat Onlineit has an amorphous, noncrystallizing structure and a high (21%) phosphorus content, permitting low loadings, which help retain elongation and impact resistance.Huggard says the flame retardants are suited for specialty extrusion and molding applications with unique performance requirements.Scaling up.
Chat Onlinebrominated flame retardants restrict its use.Most now goes to china, but new recycling processes promise to 'clean up' e-waste.Plastics ftwn old computer contain brominated frs, making them unusable in europe under new rohs restrictions.(photo: wm recycle america) 1.13 lb in the circuit boards-according to a report from the univ.Of british.
Chat OnlineThe compositions can accommodate high bromine content while still exhibiting a low thermally labile bromine content.Pelletized low molecular weight brominated.
Chat Onlinethe invention claimed is: 1.A flame retardant composition comprising a brominated anionic, chain transfer, vinyl aromatic polymer (actvap) distribution, wherein the actvap before bromination can be represented by the following formula: arcrh[ch 2 ch(ar)] n average ch 2 ch 2 ar wherein ar is an aryl group, r is c1-c4 alkyl group or a hydrogen atom n average is the average .
Chat Onlinesafety data sheet high calcium limestone page 5 of 6 inhalation: exposure to pulverized dust may cause irritation in nose, throat and lungs chronic health effects: this product contains trace amounts of crystalline silica.
Chat Onlineton, the pelletized product that would serve the same application would be marketed for $7-$8 a ton.End-use applications can vary widely in related tip-ping-fee value.Material utilized as a lightweight ag-gregate, for example, may be valued at $25-$35/ton.Typical lightweight aggregate available on the mar-ket today may range from $45-$55/ton.
Chat Onlineagglomerated (pelletized) and halogen containing feedstock - steady heating up to 700 c at 5,5 kw - heated test module for catalysts - process integrated dehalogenation - water cooled char release - online-measuring of major gases (co, co 2, o 2, h 2, ch 4, c x h y) - elemental analysis mechanical treatment - crushing & milling: jaw crusher,.
Chat Onlinepelletized low molecular weight brominated aromatic polymer compositions (pat - us2012035401) kumar govindarajulu, layman jr william j, liu bo, luther douglas w, mack arthur g.Albemarle corp.Patent: patent appl.Publ.Within the tvpp - united.
Chat Onlinesafety data sheet dolomitic limestone revision date: may 20, 2015 page 2 of 7 hazard statements: causes mild skin irritation causes eye irritation may cause cancer through inhalation precautionary statements: obtain special instructions before use.Do not handle until all safety precautions have been read and understood.Do not breathe dust.
Chat OnlineA purge and trap method was used to study the release of brominated organic compounds from polymeric brominated flame retardants (bfrs), a relatively unknown class of flame retardant materials.
Chat Onlinebrominated flame retardants restrict its use.Most now goes to china, but new recycling processes promise to clean up e-waste.Recycling e-plastics new material stream brings its own set of problems.The resins are pelletized and used on the local market to mold products like housings for low-end appliances such as water coolers.
Chat OnlineThe activated carbons can be in the solid, granular, palletized, or impregnated forms.These carbon standards are helpful in the determination of the various physical and chemical properties of activated carbon including reaction ph, particle size, absorption, and .
Chat Onlinebromine and chlorine are almost ubiquitous in waste of electrical and electronic equipment (weee) and the knowledge of their content in the plastic fraction is an essential step for proper end of life management.The aim of this study is to compare the following analytical methods: energy dispersive x-ray fluorescence spectroscopy (ed-xrf), ion chromatography (ic), ion-selective electrodes.
Chat OnlineThe composition can then be foamed, extruded into a sheet or optionally pelletized.As brominated copolycarbonate is added to the composition the 2-minute osu performance and the peak osu performance improves ex 1-ex 4 and both the target values for the 2-minute and peak osu target values are achieved values below 65 while the smoke performance.
Chat Onlineseveral brominated diphenyl ethers (bdes) [5,6], making it critical to nd alternative halogen-free.Higher than 1000 and a phosphorus and nitrogen content of.At the end, the extrudates were water-cooled and pelletized.Prior to injection-molding, extruded pellets of neat abs and abs/pfr were dried at 80 c for 4 h.This app and alpi.
Chat Onlinedivision of environmental technology and management e-waste management in botswana wisdom kanda mesfin taye degree project department of management and engineering.
Chat Onlineoil and gas product line lindau chemical pre-promoted anhydride epoxy curing agents lindride anhydrides lindoxy epoxy resins lindron resins nippon soda corrosion inhibitors dcee dichlorodiethyl ether weighting agents barium sulfate olin epoxy resins and curing agents liquid epoxy resins brominated epoxy resins solution epoxy resins epoxy.
Chat Onlineoffers thermally-stable, brominated, polymeric additives for use in engineering thermoplastics and styrenics.The line includes pyro-chek (registered) 68pb, pyro-chek 60pb, pyro-chek hf 10 and 20, and pyro-chek cm flame retardants, all of which are based on brominated .
Chat Onlinethe purified plastics may be compounded and pelletized so that they can be sold to manufacturers of new products.And high landfill costs or restriction of disposal of waste with high carbon content (5%) discourage or restrict disposal of the asr.But may create byproducts or degradation products containing frs or brominated dioxins if.
Chat Onlinethe center for regenerative design and collaboration (crdc), run by don thomson in costa rica, came up with the new concept to use mixed, dirty plastics, which are cleaned/pelletized, to become aggregate in high-quality building blocks and construction materials.
Chat Onlineglossary of wastewater terms aerobic digestion.Surfactants, brominated flame retardants) may be present in biosolids, in quantities measured in the parts per million to the parts per.Several pelletized municipal biosolids are commercially sold as fertilizers in canada and.
Chat Onlineoil and gas product line lindau chemical pre-promoted anhydride epoxy curing agents lindride anhydrides lindoxy epoxy resins lindron resins nippon soda corrosion inhibitors dcee dichlorodiethyl ether weighting agents barium sulfate olin epoxy resins and curing agents liquid epoxy resins brominated epoxy resins solution epoxy resins epoxy.
Chat OnlineAn x-ray photoelectron spectroscopy study of surface changes on brominated and sulfur-treated activated carbon sorbents during mercury capture: performance of pellet versus fiber sorbents.
Chat Onlinemb254 flame retardant is a pelletized combination of antinomy trioxide and a brominated flame retardant.This combination generally results in very effective flame-retardant properties in most pvc applications such as hdpe and pp.Ad-w377 is a rodent repellent, vital for protection against most rodents.Tm62 polymer lldpe.
Chat Onlinefrom pelletized internal mold release, and flame retardants to moisture scavengers and vapor corrosion inhibitors, we.Antimony and a brominated concentrate flame retardant for polypropylene applications.Recommended for electrical sockets, timers, and light fixtures along with other applications where a ul rating is required.Cel-span.
Chat OnlineThis story originally appeared in the february 2017 issue of plastics recycling update.Subscribe today for access to all print content.T he first thing that comes up in any conversation about e-plastics is the inherent complexity of the stream.The resins in question, the downstream markets for the material and the way plastics are used in todays electronic devices all are marked by.
Chat OnlineCorrection to the effect of compression ratio, fuel octane rating, and ethanol content on spark-ignition engine efficiency.Industrial & engineering chemistry research.Kinetics of the hdn of quinoline under vapor-phase conditions.Crystal growth & design.Piezoluminescence and liquid crystallinity of 4,4-(9,10-anthracenediyl)bispyridinium salts.
Chat Online2.Brominated polystyrene brominated polystyrene is an additive-type polymer bromine-based flame retardant.Its appearance is white or light yellow powder, insoluble in water, bromine content is more than 65%, thermal decomposition temperature is greater than 310 c, and the molecular structure is long-chain macromolecule.
Chat OnlineBrominated powdered activated carbon (br-pac) sorbents have been shown to be quite eective for hg capture when injected into the flue gas duct at coal-red power plants and are especially useful when burning western subbituminous and other low-chlorine coals.
Chat Online20120041115 - pelletized low molecular weight brominated aromatic polymer compositions.20110182984 - high content sodium ibuprofen granules,.Note that there may be alternative spellings for albemarle corporation with additional patents listed.Browse our .
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