1.Basic introduction of lithium battery separatorLithium battery is composed of four main parts: positive electrode, negative electrode, separator and electrolyte. The separator is a thin film with a microporous structure, which is a key component in the lithium battery, and the key inner layer comp

Key items of concern: 1. China RRR cuts and real estate policies on the demand side; 2: The impact of U.S. interest rate hikes on changes in international crude oil and China coal prices; 3: The disruption that Sichuan earthquake has on the supply side.Core view: The slight improvement in fundamenta

1. what is PVC?Polyvinyl chloride, abbreviated as PVC (Polyvinyl chloride), is a high polymer made of vinyl chloride monomer by homopolymerization or copolymerization with other monomers. PVC is a white powder with an amorphous structure, the relative density is about 1.4, the glass transition tempe

hashtag#China hashtag#PBAT hashtag#degradableplasticsPBAT is produced through melt and polycondensation after direct esterification of adipic acid (AA), terephthalic acid (PTA) and 1,4 butanediol (BDO) under the action of a catalyst. PBAT not only has good ductility, elongation at break, heat resis

hashtag#china hashtag#PLA hashtag#degradableplasticsPolylactic acid (PLA) is a new type of bio-based degradable plastics. Its raw materials are derived from renewable plant resources such as corn and wheat. The discarded polylactic acid can be completely decomposed into carbon dioxide and water, it

hashtag#pvc # hashtag#china hashtag#export hashtag#realestate hashtag#manufacturingExpectation: The futures delivery date in September is approaching, the large positions and high inventory will suppress the price and it will be difficult for the export price in China to return to above 1035US$/ton.

Degradable plastics refer to a class of plastics whose various properties can meet the requirements of use, remain unchanged during the storage period, and can be degraded into environmentally harmless substances under natural conditions after use. According to the classification of raw materials, i

Short-term trend: weak. Medium-term trend: shock.Expectation: the short-term factory maintenance has increased, and it is expected that the recent manufacturing will be increased again; The downstream manufacturing has improved slightly. At present, it is entering the off-season, and the epidemic si