Triphenyl phosphate

About: Triphenyl phosphate is a research topic. Over the lifetime, 579 publications have been published within this topic receiving 6681 citations. The topic is also known as: phenyl phosphate & TPP.

Halogen-free flame retardant PBT material

Abstract: The invention discloses a halogen-free flame retardant PBT material The halogen-free flame retardant PBT material is prepared from, by weight, 100 parts of PBT resin, 15-25 parts of a halogen-free composite flame retardant, 05-5 parts of a processing agent and 005-010 part of a complex antioxidant, wherein the halogen-free composite flame retardant is prepared from pentaerythritol diphosphonate melamine salt, melamine cyanurate, aluminum hypophosphite and triphenyl phosphate in the weight ratio of (4-6):(1-4):(13-21):(1-4), polysiloxane serves as the processing agent, and the complex antioxidant is prepared from the antioxidant 1076 and the antioxidant 168 in the weight ratio of (002-003):(004-006) According to the halogen-free flame retardant PBT material, the using amount of a halogen-free composite flame retardant system is small, and the flame retardant effect is good; meanwhile, the comprehensive mechanical performance of the halogen-free flame retardant PBT material is not influenced, and especially the halogen-free flame retardant PBT material has high heat resistance

Heat-resistant, low-smoke and flame-retardant non-cross-linked cable material

Abstract: The invention discloses a heat-resistant, low-smoke and flame-retardant non-cross-linked cable material comprising the raw materials: an ethylene-vinyl acetate copolymer, styrene, 3-(2-furyl)acrylic acid, ethyl cinnamate, talcum powder, linear low density polyethylene, maleic anhydride, octene, N,N-dimethylformamide, dimethyl sulfoxide, triphenyl phosphate, dimethyl acetal, cinnamyl chloride, diethylamine, triethylamine, 2,3-dimethyl-2,3-diphenylbutane, dibenzoyl peroxide, a magnesium-aluminum composite flame retardant and V-Si4042 silicone. Due to reasonable raw materials and proportions, thecable material has excellent thermal deformation resistance and thermal aging resistance, and can meet the performance requirements of wire and cable insulation and sheath materials at the service temperature of 90 DEG C-105 DEG C; through the way of forming and capturing free radicals in the reaction system and stabilizing the free radicals, the cross-linking in the reaction system can be inhibited, the softness, flame retardancy, production efficiency, extrusion processability, fluidity, tensile strength and tensile elongation of the material are improved while the heat resistance of the material is enhanced, the compatibility between blends is good, the process consumption can be reduced and the manufacturing cost is reduced.

Preparation method of halogen-free flame retardant polyethylene foamed plastic

Abstract: The invention discloses a preparation method of halogen-free flame retardant polyethylene foamed plastic. The halogen-free flame retardant polyethylene foamed plastic is prepared from the following raw materials: low-density polyethylene, expandable graphite, ammonium polyphosphate, magnesium hydroxide, calcium carbonate, triphenyl phosphate, a bisphenol A-tetraphenyl diphosphate oilopolymer, azodiphthalimide, dicumyl peroxide and polyethylene grafted maleic anhydride (PE-g-MAH). The preparation method of the halogen-free flame retardant polyethylene foamed plastic comprises the following steps: (1) premixing polyethylene, plasticizer (BDP), the compatilizer (PE-g-MAH), the flame retardant, the crosslinking agent and other additives uniformly by using a high-speed mixer according to an appropriate proportion. The polyethylene foamed plastic is completely halogen free and flame retardant, but the addition of a large amount of the inorganic flame retardant can lead to the increase of the melting point of the foaming masterbatch.

[Degradation of Triphenyl Phosphate in Water by UV-driven Advanced Oxidation Processes].

Abstract: As a type of emerging pollutant of concern, organophosphate esters (OPEs) have posed a moderate risk to the remote Antarctic waters. Triphenyl phosphate (TPHP) is a common type of OPEs in water, which has been proven to have toxic effects, bioaccumulation, and amplification effects and pose a great threat to the environment and human health. Fourier transform infrared spectroscopy (FT-IR) and liquid chromatography-tandem mass spectrometry (LC-MS/MS) were used to investigate the degradation process of TPHP in three advanced oxidation processes (UV-AOPs), including ultraviolet-hydrogen peroxide (UV-H2O2), ultraviolet-titanium dioxide (UV-TiO2), and ultraviolet-persulfate (UV-PS) systems. This was the first instance of using FT-IR for the online observation of the change in infrared characteristic peaks in the degradation process of TPHP, and its degradation reaction kinetics, photodegradation products, and degradation pathways were analyzed. The results showed that TPHP could be effectively degraded under UV-H2O2, UV-TiO2, and UV-PS systems, and the photodegradation half-lives were 74, 150, and 89 min, respectively. The UV-H2O2 system had the best degradation effect on TPHP. Additionally, the degradation reactions of TPHP in three systems conformed to the first-order kinetics. When the concentration of H2O2 was 0-0.097 mol·L-1, the increase in H2O2 concentration promoted the degradation of TPHP, and when the concentration of TiO2 was 0-0.013 mol·L-1, the increase in TiO2 concentration promoted the degradation of TPHP. The photodegradation pathway of TPHP mainly included the P-O-C bond breaking, the C-H bond cleavage of the benzene ring structure and the hydrolysis reaction of TPHP. The UV-H2O2 system was used to degrade OPEs in the environmental water of Chengdu, and it was found that the removal rate of TPHP was 66% when the water samples of the park landscape water were degraded for 60 min.