Purified Terephthalic Acid is an organic compound with formula C6H4(CO2H)2. This white solid is a commodity chemical, used principally as a precursor to the polyester PET, used to make clothing and plastic bottles. Purified Terephthalic Acid Uses Several million tonnes are produced annually.The common name is derived from the turpentine-producing tree Pistacia terebinthus and phthalic acid.
Virtually the entire world's supply Pvc Resin of Pure Terephthalic Acid (pta) and dimethyl terephthalate are consumed as precursors to polyethylene terephthalate (PET). World production in 1970 was around 1.75 million tonnes.By 2006, global purified terephthalic acid (PTA) demand had exceeded 30 million Ethylene-Vinyl Acetate tonnes. A smaller, but nevertheless significant, demand for terephthalic acid exists in the production of polybutylene terephthalate and several other engineering polymers.Polyester fibers based on Pta Pure Terephthalic Acid provide easy fabric care, both alone and in blends with natural and other Pta Powder synthetic fibers. Polyester films are used widely in audio and video recording tapes, data storage tapes, photographic films, labels and other sheet material requiring both dimensional stability and toughness.
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Ministry of Agriculture deploys 2017 crop industry work
[ China Agricultural Machinery Industry News ] Recently, the Ministry of Agriculture issued the "Key Points of Planting Work in 2017", and deployed the planting work throughout the year. The "points" emphasize that we must achieve the basic development goals of "stable and four-in-one" for the stable development of grain production, structural adjustment, green development, innovation-driven, and quality-promoting agriculture.
Ministry of Agriculture deploys 2017 crop industry work
The "points" pointed out that in 2016, the national crop production system was based on the "quality improvement and efficiency-enhancing mode, stable grain and income-increasing", and the grain output continued to remain above 120 billion jin, achieving the "13th Five-Year Plan". "Good start. 2017 is a year of deepening the structural reform of the supply side of agriculture. It is necessary to focus on the main line of this work, adhere to the quality of agriculture, and aim to stabilize food, optimize supply, improve quality and efficiency, and increase farmers' income. Upgrade.
The "points" require that the area of ​​rations should be stabilized, the grain production functional zones should be rationally defined, the quality of cultivated land should be strengthened, scientific disaster prevention and relief should be promoted, major pest and disease prevention efforts should be strengthened, and the national food security bottom line should be maintained; Grain corn, enlarge and strengthen the characteristic industry, accelerate the development of potato industry, implement the trial of arable land rotation and fallow, improve the quality and efficiency of the supply system; accelerate the replacement of chemical fertilizer by organic fertilizer, deepen the reduction of fertilizer and pesticide, and accelerate water conservation The pace of agricultural development, innovation of the black land protection mechanism in Northeast China, and enhance the sustainable development of the crop industry; accelerate the improvement of standardized production, expand the supply of grain and oil and famous fruit and vegetable tea products, promote the improvement of cotton sugar quality, promote brand building, and improve the greening of planting industry. Attributes; accelerate the pace of technological integration, explore institutional and institutional innovations, give play to the role of industry, and foster new developments in crop production.
The "Points" also proposes to deepen the construction of laws and regulations from scientific legislation, standardize administrative examination and approval, and promote scientific law enforcement, and consolidate the foundation for the development of the crop industry.