Patent classifications
C08K5/0083
RESIN ADDITIVE COMPOSITION, THERMOPLASTIC RESIN COMPOSITION, AND MOLDED ARTICLE THEREOF
Provided are a resin additive composition which is excellent in fluidity and can impart excellent physical properties to a thermoplastic resin, a thermoplastic resin composition, and a molded article thereof.
A resin additive composition is composed of a phosphoric acid ester compound (A) represented by the following general formula (1):
##STR00001##
(in the formula (1), R.sup.1 to R.sup.4 each independently represent a hydrogen atom or a linear or branched alkyl group having 1 to 9 carbon atoms, and R.sup.5 represents an alkylidene group having 1 to 4 carbon atoms) and a fatty acid sodium salt (B) represented by the following general formula (2):
##STR00002##
(in the formula (2), R.sup.6 represents a group introduced from an aliphatic organic acid having 7 to 30 carbon atoms), and the mass ratio of (B)/(A) is 0.55 to 2.0.
RESIN ADDITIVE COMPOSITION, THERMOPLASTIC RESIN COMPOSITION, AND MOLDED ARTICLE THEREOF
Provided are a resin additive composition which is excellent in fluidity and can impart excellent physical properties to a thermoplastic resin, a thermoplastic resin composition, and a molded article thereof.
A resin additive composition is composed of a phosphoric acid ester compound (A) represented by the following general formula (1):
##STR00001##
(in the formula (1), R.sup.1 to R.sup.4 each independently represent a hydrogen atom or a linear or branched alkyl group having 1 to 9 carbon atoms, and R.sup.5 represents an alkylidene group having 1 to 4 carbon atoms) and a fatty acid sodium salt (B) represented by the following general formula (2):
##STR00002##
(in the formula (2), R.sup.6 represents a group introduced from an aliphatic organic acid having 7 to 30 carbon atoms), and the mass ratio of (B)/(A) is 0.55 to 2.0.
POLYETHYLENE FORMULATIONS WITH IMPROVED BARRIER AND ENVIRONMENTAL STRESS CRACK RESISTANCE
Polyethylene formulations and articles produced therefrom, comprise a multimodal high density polyethylene (HDPE) composition, and 0.1 ppm to 300 ppm of a nucleating agent, wherein the multimodal HDPE composition comprises a density of 0.940 g/cm.sup.3 to 0.970 g/cm.sup.3 when measured according to ASTM D792, and a melt index (I.sub.2) of 0.1 g/10 min. to 10.0 g/10 min. when measured according to ASTM D1238 at 190° C. and a 2.16 kg load, and wherein the multimodal HDPE composition comprises an infrared cumulative detector fraction (CDF.sub.IR) of greater than 0.27 and an infrared cumulative detector fraction to light scattering cumulative detector fraction ratio (CDF.sub.IR/CDF.sub.LS) from 0.7 to 2.0.
POLYETHYLENE FORMULATIONS WITH IMPROVED BARRIER AND ENVIRONMENTAL STRESS CRACK RESISTANCE
Polyethylene formulations and articles produced therefrom, comprise a multimodal high density polyethylene (HDPE) composition, and 0.1 ppm to 300 ppm of a nucleating agent, wherein the multimodal HDPE composition comprises a density of 0.940 g/cm.sup.3 to 0.970 g/cm.sup.3 when measured according to ASTM D792, and a melt index (I.sub.2) of 0.1 g/10 min. to 10.0 g/10 min. when measured according to ASTM D1238 at 190° C. and a 2.16 kg load, and wherein the multimodal HDPE composition comprises an infrared cumulative detector fraction (CDF.sub.IR) of greater than 0.27 and an infrared cumulative detector fraction to light scattering cumulative detector fraction ratio (CDF.sub.IR/CDF.sub.LS) from 0.7 to 2.0.
HEALTHCARE ARTICLE COMPRISING A RANDOM PROPYLENE-ETHYLENE COPOLYMER
The present invention relates to a healthcare article comprising a polymer composition comprising a random propylene-ethylene copolymer, wherein the polymer composition comprises less than 150 ppm, preferably less than 100 ppm, more preferably less than 50 ppm, more preferably less than 20 ppm, most preferably 0 ppm of phthalates based on the weight of the random propylene ethylene copolymer.
HEALTHCARE ARTICLE COMPRISING A RANDOM PROPYLENE-ETHYLENE COPOLYMER
The present invention relates to a healthcare article comprising a polymer composition comprising a random propylene-ethylene copolymer, wherein the polymer composition comprises less than 150 ppm, preferably less than 100 ppm, more preferably less than 50 ppm, more preferably less than 20 ppm, most preferably 0 ppm of phthalates based on the weight of the random propylene ethylene copolymer.
COMPOSITION, THERMOPLASTIC RESIN COMPOSITION USING SAME, AND MOLDED ARTICLE OF SAME
Provided are: a composition that can impart a thermoplastic resin with excellent transparency and physical properties; a thermoplastic resin composition containing the same; and a molded article thereof. The composition contains: (A) a cyclic organophosphate aluminum salt represented by Formula (1) below, wherein R.sup.1 to R.sup.4 each independently represent a hydrogen atom or a linear or branched alkyl group having 1 to 9 carbon atoms and R.sup.5 represents an alkylidene group having 1 to 4 carbon atoms; (B) a sodium carboxylate; and (C) a fatty acid metal salt represented by Formula (2) below, wherein R.sup.6 represents a group which is introduced to an aliphatic organic acid having 10 to 30 carbon atoms and M.sup.1 represents lithium or potassium, wherein the following ranges are satisfied in terms of molar ratio: (C)/(B)=0.30 to 5.00, and (A)/{(B)+(C)}=0.15 to 0.70.
##STR00001##
RESIN COMPOSITION AND PRODUCTION METHOD THEREOF
Provided is a halogen-free resin composition including a polyolefin resin, containing a phosphorus compound in an amount of 0.05 to 2.5 mass % as a phosphorus content; a NOR-type hindered amine in an amount of 0.05 to 5 mass %; and an inorganic filler in an amount of 3 to 50 mass %, respectively, with respect to the total amount of the resin composition, wherein a DTA (Differential Thermal Analysis) curve obtained by differential thermal analysis of the inorganic filler has an endothermic portion in a temperature range of 180 to 500° C.; and in the inorganic filler, a ratio value of a number of particles having a maximum diameter of 300 μm or more to a number of particles having a maximum diameter of 100 μm or more is ⅕ or less, or there are no particles having a maximum diameter of 100 μm or more.
HIGH DENSITY POLYETHYLENE FOR RIGID ARTICLES
A composition comprising a high molecular weight, chromium catalyzed ethylene copolymer (also referred to as a polyethylene resin), a nucleating agent and zinc oxide.
EXPANDED POLYPROPYLENE BEADS, A PROCESS FOR PRODUCING EXPANDING POLYPROPYLENE BEADS, MOLDED ARTICLES FORMED FROM EXPANDED POLYPROPYLENE BEADS, AND A PROCESS FOR FORMING SUCH MOLDED ARTICLES
Expanded polypropylene beads comprising a polypropylene composition (C) having: a) a melt flow rate (MFR2) in the range from 1.5 to 15.0 g/10 min; b) a melting temperature (Tm) in the range from 135 to 158° C.; and c) a loss tangent (tan δ) in the range of 2.00 to 4.00 wherein the polypropylene composition (C) comprises more than 90.0 wt.-%, of a long chain branched copolymer of propylene (c-PP) comprising up to 8.0 wt.-% of comonomer(s) selected from ethylene and C.sub.4 to C.sub.10 alpha olefins, a method for the preparation of said beads, in addition to a method of forming molded articles from said beads, and the molded articles obtained thereby.