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1. WO2015137268 - PROPYLENE RESIN COMPOSITION AND STRETCHED CONTAINER MADE FROM SAME

Publication Number WO/2015/137268
Publication Date 17.09.2015
International Application No. PCT/JP2015/056785
International Filing Date 09.03.2015
IPC
C08L 23/10 2006.1
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
23Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
02not modified by chemical after-treatment
10Homopolymers or copolymers of propene
B29C 49/12 2006.1
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
49Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
08Biaxial stretching during blow-moulding
10using mechanical means
12Stretching rods
B65D 1/00 2006.1
BPERFORMING OPERATIONS; TRANSPORTING
65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
1Rigid or semi-rigid containers having bodies formed in one piece, e.g. by casting metallic material, by moulding plastics, by blowing vitreous material, by throwing ceramic material, by moulding pulped fibrous material or by deep-drawing operations performed on sheet material
C08K 5/098 2006.1
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
KUSE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES AS COMPOUNDING INGREDIENTS
5Use of organic ingredients
04Oxygen-containing compounds
09Carboxylic acids; Metal salts thereof; Anhydrides thereof
098Metal salts of carboxylic acids
C08K 5/523 2006.1
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
KUSE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES AS COMPOUNDING INGREDIENTS
5Use of organic ingredients
49Phosphorus-containing compounds
51Phosphorus bound to oxygen
52bound to oxygen only
521Esters of phosphoric acids, e.g. of H3PO4
523with hydroxyaryl compounds
CPC
B29C 49/0005
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
49Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
0005characterised by the choice of material
B29C 49/04
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
49Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
02Combined blow-moulding and manufacture of the preform or the parison
04Extrusion blow-moulding
B29C 49/06
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
49Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
02Combined blow-moulding and manufacture of the preform or the parison
06Injection blow-moulding
B29C 49/12
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
49Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
08Biaxial stretching during blow-moulding ; with or without prestretching
10using mechanical means ; for prestretching
12Stretching rods
B29K 2023/12
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
KINDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR ; MOULDS, ; REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
2023Use of polyalkenes ; or derivatives thereof; as moulding material
10Polymers of propylene
12PP, i.e. polypropylene
B29L 2031/712
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
LINDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
2031Other particular articles
712Containers; Packaging elements or accessories, Packages
Applicants
  • 株式会社プライムポリマー PRIME POLYMER CO., LTD. [JP]/[JP]
Inventors
  • 上北 弘幸 UEKITA, Hiroyuki
Agents
  • 特許業務法人SSINPAT SSINPAT PATENT FIRM
Priority Data
2014-04607210.03.2014JP
Publication Language Japanese (ja)
Filing Language Japanese (JA)
Designated States
Title
(EN) PROPYLENE RESIN COMPOSITION AND STRETCHED CONTAINER MADE FROM SAME
(FR) COMPOSITION DE RÉSINE DE PROPYLÈNE, ET RÉCIPIENT ÉTIRÉ FABRIQUÉ À PARTIR DE CELLE-CI
(JA) プロピレン系樹脂組成物およびそれからなる延伸容器
Abstract
(EN) [Problem] To provide a propylene resin composition that makes it possible to provide a stretched container having a wide stretch-blow-molding temperature range, little container shrinkage after heat treatment, and exceptional transparency of the container side surfaces even after heat treatment. [Solution] A propylene resin composition containing (A) 100 parts by weight of propylene resin, and (B) 0.05-0.5 parts by weight of a nucleating agent that contains an organic phosphoric acid ester compound represented by formula (B1) and at least one selected from aliphatic carboxylic acids and derivatives thereof as well as an alkali metal element as essential components; the MFR is 11-100 g/10 min, the crystalline melting point is 140-155ºC, and the elution volume Wp1 (wt%) in a temperature range higher than the main elution peak temperature Tp and the elution volume Wp2 (wt%) in a temperature range of 10ºC or below are within a specific range in an elution curve determined by temperature rising elution fractionation (TREF).
(FR) [Problème] Fournir une composition de résine de propylène qui rende possible la réalisation d'un récipient étiré ayant une large plage de températures de moulage par soufflage avec étirage, un faible retrait du récipient après traitement thermique, et une exceptionnelle transparence des surfaces latérales du récipient, même après traitement thermique. [Solution] L'invention concerne un composition de résine de propylène contenant (A) 100 parties en poids d'une résine de propylène, et (B) 0,05 à 0,5 partie en poids d'un agent de nucléation qui contient un composé ester organique de l'acide phosphorique représenté par la formule (B1) et au moins l'un choisi parmi les acides carboxyliques aliphatiques et les dérivés de ceux-ci, ainsi qu'un élément métal alcalin en tant que composants essentiels ; l'indice MFR est de 11 à 100 g/10 min, le point de fusion cristalline est de 140 à 155 °C, et le volume d'élution Wp1 (% en poids) dans une gamme de températures supérieure à la température du pic d'élution principal Tp et le volume d'élution Wp2 (% en poids) sur une gamme de températures de 10 °C ou moins, entrent dans une gamme spécifique d'une courbe d'élution déterminée par fractionnement par élution avec élévation de température (TREF).
(JA) [課題]延伸ブロー成形温度範囲が広く、加熱処理後の容器収縮が小さく、また加熱処理後においても容器側面の透明性に優れた延伸容器を提供することが可能な、プロピレン系樹脂組成物を提供する。 [解決手段](A)プロピレン系樹脂100重量部と、(B)式(B1)で表される有機リン酸エステル化合物と、脂肪族カルボン酸およびその誘導体から選ばれる少なくとも1種とを含み、かつアルカリ金属元素を必須成分として含む核剤0.05~0.5重量部とを含有し;MFRが11~100g/10分であり、結晶融点が140~155℃であり、昇温分別クロマトグラフ(TREF)により求められる溶出曲線において、主溶出ピーク温度Tpより高い温度範囲における溶出量Wp1(重量%)および10℃以下の温度範囲における溶出量Wp2(重量%)が特定範囲にある、プロピレン系樹脂組成物。
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