us patent for dioctyl terephthalate plasticizer and method

  • dioctyl terephthalate plasticizer and method of enhancing


    The method for making a dioctyl terephthalate (DOTP) plasticizer according to the present invention involves using PTA and a C6-C10 alcohol mixture as reaction components. The PTA and the C6-C10 alcohol are mixed in a weight ratio of 1:0.8-1.5 and processed in a homogenizer for fining process.

  • wo2014185872a1 - dotp (di-octly terephthalate)production

    WO2014185872A1 - Dotp (di-octly terephthalate)production

    The invention is DOTP (Di octly terephthalate) production method at normal atmospheric pressure without using any inert gas by separating the water formed in the reaction by means of column in PVC plastic production industry.

  • us20140336320a1 - method of preparing ester plasticizer

    US20140336320A1 - Method of preparing ester plasticizer

    Provided is a method of preparing an ester plasticizer, more particularly, a method of preparing an ester plasticizer including conducting a transesterification reaction of a compound of Chemical Formula 1 with a first alcohol of Chemical Formula 2.

  • david j. olsen inventions, patents and patent applications

    David J. Olsen Inventions, Patents and Patent Applications

    The plasticizer includes dioctyl terephthalate. Dioctyl adipate or another plasticizer may be used with dioctyl terephthalate. In this case, the plasticizer may contain 20 to 80 wt. % dioctyl terephthalate, or more specifically 20 to 60 wt. % dioctyl terephthalate. The food wrap may have a thickness of 1 to 80 mils. According to a method of

  • method for preparing plasticity agent containing quantitative

    Method for preparing plasticity agent containing quantitative

    The invention relates to a manufacturing method for a plasticizer containing a fixed quantity of dioctyl terphthalate. The manufacturing method comprises the following steps that: terylen waste material, isooctanol and catalyst are added in a reaction kettle, and alcoholysis and ester interchange are carried out through vacuum dehydration and heating up the content of dioctyl terphthalate is

  • terephthalates - plasticisers - information center

    Terephthalates - Plasticisers - Information Center

    In plastisols, these plasticisers (US: plasticizers) provide lower initial viscosity and better stability but requires higher fusion and processing temperature. Terephthalates exhibit lower levels of compatibility with PVC than ortho-phthalates limiting their use for the production of durable goods.

  • bis(2-ethylhexyl) terephthalate | c24h38o4

    Bis(2-ethylhexyl) terephthalate | C24H38O4

    Bis(2-ethylhexyl) terephthalate's production and subsequent use as a plasticizer may result in its release to the environment through various waste streams. If released to air, an estimated vapor pressure of 2.1X10-5 mm Hg at 25 °C indicates bis(2-ethylhexyl) terephthalate will exist in both the vapor and particulate phases in the atmosphere.

  • dimethyl terephthalate | c10h10o4

    Dimethyl terephthalate | C10H10O4

    Dimethyl terephthalate is used as an industrial intermediate to manufacture polyethylene terephthalate (PET) and dioctyl terephthalate. Organization for Economic Cooperation and Development; Screening Information Data Set for Dimethyl terephthalate CASN 120-61-6 p.11 (January 2001).

  • dioctyl terephthalate (cas 6422-86-2) market research report 2020

    Dioctyl terephthalate (CAS 6422-86-2) Market Research Report 2020

    Dioctyl terephthalate (CAS 6422-86-2) Market Research Report 2020 presents comprehensive data on Dioctyl terephthalate markets globally and regionally (Europe, Asia, North America etc.) The report includes Dioctyl terephthalate description, covers its application areas and related patterns.

  • plasticizers - industrial chemicals manufacturers,industrial

    Plasticizers - Industrial Chemicals Manufacturers,Industrial

    Various methods for incorporating biocides into resin compositions have been disclosed in the prior art. By way of illustration, U.S. Patent 4,086,297 discloses a process for forming a solid thermoplastic composition containing a microbiocide utilizing very high levels of the microbiocide and two thermoplastic resins in conjunction with melt blending processing.

  • news - china plasticizer, stabilizer, dioctyl adipate

    News - China Plasticizer, Stabilizer, Dioctyl Adipate

    Until 1926, Waldo Semon (BF Goodrich Company) in the United States synthesized PVC and applied for a patent in the United States. He solved the fragility of PVC by synthesizing a variety of additives, and increased the expandability of PVC material products so that it has The basis of product commercialization.

  • phthalate and organophosphate plasticizers in nail polish

    Phthalate and Organophosphate Plasticizers in Nail Polish

    We searched the United States Patent and Trademark Office database in March 2018 for U.S.-based patents with the abstract keywords “nail,” “polish,” and “plasticizer." The five investigated patents listed preferred total plasticizer levels as the following ranges: 0.01–25%, 1–5%, 10–30%, 3–20%, and 0.01–25%.

  • method for synthesizing pvc plasticiser by reclaiming waste

    Method for synthesizing PVC plasticiser by reclaiming waste

    The invention discloses a method for synthesizing PVC plasticizer DOTP by waste polyester resource utilization, which belongs to the plasticizer technical field. The method comprises the following steps that: 1. under the existence of catalyst, waste polyester scraps are heated with 2-ethyl hexanol to carry out the degradation reaction 2.