Abstract:
Una composicion de aditivo que comprende (a) un compuesto de sorbitol acetal; y (b) un contraagente representado por la Formula 1: [Formula 1] (MII)4+x(MIII)2(OH)12+2x(An-)2/n-mH2O, MII es al menos un metal bivalente seleccionado del grupo que consiste en Mg, Ca, Co, Zn, y Ni; MIII es un metal trivalente seleccionado del grupo que consiste en Al, Fe, Co, Mn, y Ti; An- es un anion que tiene una valencia de n y se selecciona del grupo que consiste en CO3 2-, HPO4 2-, NO3 -, SO4 2-, OH-, F-, Cl-, y Br-; y 0 =0, en donde el contraagente de Formula 1 esta presente en una cantidad de 1 parte en peso a 5 partes en peso, basado en 100 partes en peso de la composicion de aditivo, y en donde el contraagente de Formula 1 tiene un tamano de particula promedio en volumen (Mv) de menos de 20 μm, y el 90 % en volumen de las particulas de contraagente incluidas en la composicion de aditivo tienen un diametro (valor D90) de menos de 50 μm, en donde el contraagente de formula 1 esta recubriendo una superficie del compuesto de sorbitol acetal.
Abstract:
hidrotalcita que confere resistência térmica aperfeiçoada a resinas e método de preparação das mesmas esta invenção se refere a uma hidrotalcita parcialmente desidratada obtida por tratamento térmico de uma hidrotalcita sob uma condição específica, de modo que o seu peso é reduzido por 1,5 a 5%, o que é capaz de conferir resistência térmica aperfeiçoada a uma resina sintética.
Abstract:
The present invention relates to a flame-retardant polyolefin resin containing a blend which comprises 0.1-80 wt% of piperazine metal salts or polymers thereof, 10-80.0 wt% of nitrogen-containing synergists or phosphorus/nitrogen retardants, and 1-50 wt% of inorganic compounds, wherein the sum of the components of the blend is 100 wt%.
Abstract:
The present invention relates to an additive composition comprising a lubricant and, specifically, relates to an additive composition for preparing polyolefin having superior transparency by using a metal lubricant of a specific structure in a sorbitol-based nucleating agent which is an additive used for preparing polyolefin, thereby improving the lubricity of a nucleating agent, lowering a melt temperature, increasing the crystallization rate of polyolefin, and minimizing a shrinkage phenomenon.
Abstract:
The present invention relates to an additive composition including a counteragent, and more particularly, to an additive composition for preparation of polyolefins, which improve flowability of a nucleating agent and exhibits excellent transparency, by applying a counteragent of a specific structure to a sorbitol nucleating agent which is an additive used in preparation of polyolefins.
Abstract:
The present invention relates to an additive composition including a counteragent, and more particularly, to an additive composition for preparation of polyolefins, which improve flowability of a nucleating agent and exhibits excellent transparency, by applying a counteragent of a specific structure to a sorbitol nucleating agent which is an additive used in preparation of polyolefins.
Abstract:
A zinc-deposited hydrotalcite for a PVC stabilizer includes: a hydrotalcite having a structure represented by the formula of Mg4Al2(OH)12CO3.3H2O; and zinc deposited onto the hydrotacite crystals by using any one method of electrode-position, chloride ion deposition, and plasma deposition.