Showing papers on "Triphenyl phosphate published in 1999"

Triaryl phosphate ester composition

Abstract: The invention relates to a composition of mixed alkylated triphenyl phosphate esters comprising no less than 65 % to about 100 %, by weight, monoalkylphenyl diphenyl phosphate, up to about 30 %, by weight, dialkylphenyl phenyl phosphate, up to about 3 %, by weight, trialkylphenyl phosphate, and up to about 5 %, by weight, triphenyl phosphate. The alkyl moieties can be isopropyl, isobutyl tertiary-butyl, isoamyl, tertiary-amyl, isooctyl and/or isononyl. The fluids prepared according to the previously described method show unusually low air entrainment values of less than 180 seconds, and as low as 20 seconds, and have a content of triphenyl phosphate that typically varies from about 0 to about 5.0 %.

Flame protected polyester moulding matters

Abstract: Thermoplastic molding composition contains polyester, nitrogen compound, flame retardant combination of triorganylphosphine oxide, triphenyl phosphate and/or triphenylphosphine sulfide and dihydric phenol polyphosphate, ester(s) or amide(s) of (un)saturated aliphatic carboxylic acids with 2-40 C aliphatic saturated alcohols or amines and other additives. A thermoplastic molding composition contains (a) 5-96 wt.% polyester, (b) 1-30 wt.% nitrogen compound, (c) 1-30 wt.% flame retardant combination of (c-1) 0.1-40 wt.% triorganylphosphine oxide of formula (I), triphenyl phosphate and/or triphenylphosphine sulfide and (c-2) 60-99.9 wt.% dihydric phenol polyphosphate of formula (II), (d) 0-5 wt.% ester(s) or amide(s) of 10-40C (un)saturated aliphatic carboxylic acids with 2-40 C aliphatic saturated alcohols or amines and (e) 0-60 wt.% other additives. R , R , R = 8-40 C alkyl, aryl, alkylaryl or cycloalkyl; R = 6-20 C aryl, preferably phenyl, optionally substituted by 1-4 C alkyl, preferably methyl; R = a dihydric phenol, preferably of formula (IIIA) or (IIIB); n = 0.1-100 on average. An Independent claim is also included for moldings made from the composition.

Moisture-curing polyurethane hot-melt adhesive composition

Abstract: PROBLEM TO BE SOLVED: To obtain an adhesive composition exhibiting excellent initial tack and good heat resistance and storage stability by reacting a mixture prepared by compounding a polyester polyol having a specified molecular weight with a specified amount of a tertiary amine and a specified amount of a phosphoric acid ester with an excess of an organic isocyanate compound. SOLUTION: A polyester polyol having a number-average molecular weight of 1,000-8,000 is compounded with 0.1-5 wt.% tertiary amine and 20-5,000 ppm of a phosphoric acid ester. The polyester polyol and the organic isocyanate compound are not particularly limited. The tertiary amine used may be a monoamine such as tripropylamine or tributylamine or a polyamine such as tetramethyl-1,2-diaminoethane, or tetramethylhexamethylenediamine. The phosphoric acid ester used is exemplified by trioctyl phosphate, tridecyl phosphate, or triphenyl phosphate. The ratio of the number of the NCO groups to that of the OH groups in the urethane formation reaction is desirably 1.3-5.0.

Biodegradable filter material for production of tea or coffee bags contains a cellulose derivative plasticized with a plasticizer, e.g. glycerol, or with a biodegradable polymer, e.g. aliphatic polyester

Abstract: Filter material containing biodegradable cellulose derivative(s) plasticized with a plasticizer such as triacetin, glycerol, triphenyl phosphate, ethyl lactate, caprolactone etc. (15 compounds listed) and/or with a biodegradable polymer, i.e. aliphatic or partly aromatic polyester-amide, polyester or polyester-urethane, aliphatic or aliphatic-aromatic polyester-carbonate. Filter material containing biodegradable cellulose derivative(s) (I), in which (I) contains 0.05-50 parts by weight of a plasticizing substance (II) to 100 parts (I). Substance (II) comprises (II-a) plasticizers or (II-b) biodegradable polymers such as aliphatic or partly aromatic polyester-amides, polyesters or polyester-urethanes, and aliphatic or aliphatic-aromatic polyester-carbonates.

Production of phenolic resin-based flame-retardant self hardening resin

Abstract: PROBLEM TO BE SOLVED: To easily produce the subject flame-retardant resin containing no halogen element by reacting a phenolic compound with an aldehyde and an aromatic amine in a solvent, and subsequently reacting the reaction product with an phosphoric acid ester. SOLUTION: This resin is obtained by reacting (A) a phenolic compound (e.g. phenol) with (B) an aldehyde (e.g. paraformaldehyde) and (C) an aromatic amine (e.g. 4,4'-diaminodiphenylmethane) preferably in (D) an alcoholic solvent (e.g. methanol), and subsequently adding (E) a phosphoric acid ester (e.g. triphenyl phosphate) to the reaction mixture and reacting them with each other. Concretely, into the D component are added the component B and the component A, and a part or the whole of the components A and B is dissolved. Subsequently, the reaction mixture is cooled to <=70 deg.C, then the component C is added, and the reaction is continued at the refluxing temperature. When it reaches a specific getting time, the reaction mixture is concentrated under reduced pressure to remove the component D, water, etc. During this process, the component E is added, and it is made to react with the reaction mixture.

Film or sheet for partitioning clean room

Abstract: PROBLEM TO BE SOLVED: To suppress the generation of outgas released from a film by a method wherein a vinyl chloride-based resin composition, which is prepared by adding respectively specified amounts of a phosphate-based plasticizer, antimony pentaoxide, a stabilizer, in which no triphenyl phosphate is included substantially to a vinyl chloride-based resin, is employed. SOLUTION: A film for partitioning is made of a vinyl chloride-based resin composition, which is prepared by adding 30-60 pts.wt. of a plasticizer, which consists of a phosphate-based plasticizer and no diphenyl phthalate is substantially included, 2-15 pts.wt. of antimony pentaoxide and 0.5-4 pts.wt. of a stabilizer, in which no triphenyl phosphate is substantially included, to 100 pts.wt. of a vinyl chloride-based resin. In addition, on one side or both sides of this film, an electrically conductive material-containing paint is applied in an arbitrarily continuous pattern or 30 wt.% or more of electrically conductive plasticizer is included in the total plasticizer. At this case, the areal ratio of the portion, on which no electrically conductive paint is applied, of the surface of the film is set to be 70% or more.

A Reexamination of the Ozone−Triphenyl Phosphite System. The Origin of Triphenyl Phosphate at Low Temperatures

Abstract: The reaction of ozone with triphenyl phosphite (P) at −78 °C affords a labile 1:1 complex (PO3) together with small amounts of triphenyl phosphate (PO) (Q. E. Thompson, J. Am. Chem. Soc. 1961, 83, ...

Cellulose ester film and production of cellulose ester film

Abstract: PROBLEM TO BE SOLVED: To obtain a film having excellent mechanical strengths without using any chlorine-containing solvent by casting a solution containing a cellulose ester and a fluorophenol. SOLUTION: This film is produced by casting a solution containing a cellulose ester desirably having a degree of acetylation of 58.0-62.5% [e.g. cellulose triacetate having a degree of polymerization (viscosity-average) of 220-500] and a fluorophenol or methyl acetoacetate. The fluorophenol or the methyl acetoacetate needs to be used in an amount of 10 wt.%, desirably, 50% or above based on the total solvent amount of the cellulose acetate solution. It is desirable that the cellulose ester solution contains 2-40 wt.%, based on the total solvent of the solution, poor solvent (e.g. ethanol). Further, it is desirable that the solution contains 6-30 wt.%, based on the cellulose ester, plasticizer (e.g. triphenyl phosphate).

Production of flame retardant resin composition

Abstract: PROBLEM TO BE SOLVED: To produce the subject composition good in feed stability in production and excellent in rigidity, impact properties and dispersibility by including a powder prepared by premixing and precompressing a scaly inorganic powder with a fibrillated polytetrafluoroethylene in a thermoplastic resin and a flame retardant. SOLUTION: This composition is obtained by including (B) 1-30 pts.wt. flame retardant (e.g. triphenyl phosphate), (C) 1-100 pts.wt. scaly inorganic powder (e.g. tale or mica) and (D) 0.05-3 pts.wt. polytetrafluoroethylene having a fibrillating ability in (A) preferably 100 pts.wt. thermoplastic resin (e.g. an aromatic polycarbonate resin or a polymer alloy of the aromatic polycarbonate and an ABS resin). In this pcocess, a premixed and precompressed product prepared by premixing and precompressing the components C with D and having 0.3-0.9, preferably 0.4-0.8 bulk specific gravity is used.

Graft polycarbonate resin and its production

Abstract: PROBLEM TO BE SOLVED: To produce a graft polycarbonate resin excellent in clarity, lowbirefringence properties, heat resistance, moisture resistance and film-forming properties by melt kneading a melt kneaded mixture of an aromatic polycarbonate and a plasticizer with a vinyl monomer and a radical polymerization initiator. SOLUTION: Preferably, the aromatic polycarbonate is one comprising 20-100 mol% repeating units represented by formula I and 80-0 mol% repeating units represented by formula II. In the formulas, R1 to R4 are each H or CH3; X is 5-10C cycloalkylene or 7-15C aralkylene; and Y is 1-5C alkylene or 7-15C aralkylene. Preferably, the plasticizer is an organic monomeric compound; an ester of phthalic acid, phosphoric acid, an aliphatic monobasic acid, an aliphatic dibasic acid, a dihydric alcohol or an oxy-acid; dimethyl or diethyl phthalate or triphenyl phosphate; or a polymer having a number average mol.wt. of 200-10,000, preferably PS. Vinylaromatic compounds, (meth)acrylates, maleic esters, etc., are each preferable as the vinyl monomer.

Flame-retardant one-pack type epoxy resin composition

Abstract: PROBLEM TO BE SOLVED: To obtain the subject epoxy resin composition that is resistant to combustion and to tracking by using an epoxy resin, a filler, and an imidazole as a flame retardant and a herdener. SOLUTION: This epoxy resin composition comprises (A) an epoxy resin (for example, alicyclic epoxy resin), (B) an imidazole as a hardener (for example, Amicure PN-23 or the like), (C) an inorganic filler (for example, aluminum hydroxide) and (D) a flame retardant (for example, hexabromobenzene, triphenyl phosphate and the like). The content of the component B is 5-20 pts.wt., calculated as imidazole, per 100 pts.wt. of the component A. In a preferred embodiment, the component B is used in the adduct form. When necessary, a coupling agent, a colorant, a thixotropic agent may be formulated to the composition.

Resin composition having excellent slidableness and flame retardance and resin molded article

Abstract: PROBLEM TO BE SOLVED: To obtain the subject composition having excellent slidableness and flame retardance by adding specific compatibilizing agents and a phosphate ester-based flame retardant to a plycarbonate resin, wherein the flame retardant further acts as a sliding agent for reducing the abrasion of an article produced from the composition in the early time of sliding. SOLUTION: This resin composition comprises (A) a polycarbonate resin, (B) a modified polyolefin-based resin and (C) a compound of the formula: HOOC- R-NH2 (R is a >=5C alkylene, phenylene or the like) (for example, 6- aminocaproic acid) as compatibilizing agents, and (D) a compound of the formula [Ar is phenyl; Ar' is phenyl, biphenyl or the like; (n) is an integer of >=1] as a flame retardant. The component B is preferably a copolymer prepared by graft-copolymerizing acrylic acid or maleic anhydride to a high density polyethylene, or the like. The component D is preferably a mixture of triphenyl phosphate with bisphenol-A bis(dicresyl phosphate), or the like.

Flame retarded polymer compositions

Abstract: The invention relates to a polymeric composition comprising at least one engineering polymer and at least one phosphate ester flame retardant additive which is characterised in that the phosphate ester is a mixed tri (tertiary butylphenyl) phosphate ester which comprises from 1 to 45 % by weight of tri (tertiary butylphenyl) phosphate; from 10 to 55 % by weight of di (tertiary butylphenyl) mono phenyl phosphate; from 10 to 60 % by weight of mono (tertiary butylphenyl) diphenyl phosphate and less than 10 % by weight of triphenyl phosphate.