98703 ⎘
Condensation polymers of aldehydes or ketones with monomers not provided for in the groups - of aldehydes with acyclic or carbocyclic organic compounds containing atoms other than carbon and hydrogen containing phosphorus
High-adaptability viscosity-reducing polycarboxylic acid water reducer, preparation method therefor and use thereof
#2Polycondensation product based on aromatic compounds, method for the preparation and use thereof
#3Active ester resin, thermosetting resin composition, cured product of same, semiconductor encapsulation material, prepreg, circuit board, and build-up film
#4POLYCONDENSATION PRODUCT BASED ON AROMATIC COMPOUNDS, METHOD FOR THE PREPARATION AND USE THEREOF