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Production method for ethylene-based ionomer and ethylene-based ionomer

A manufacturing method and ionomer technology, which are used in the manufacture of ethylene ionomers and the fields of ethylene ionomers, can solve the problems of inability to obtain olefin copolymers and low polymerization activity, and achieve excellent elongation at break, excellent The effect of tensile properties and excellent heat resistance

Active Publication Date: 2017-08-18
JAPAN POLYETHYLENE CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] On the other hand, in a polymerization method using a catalyst such as a general metallocene catalyst, which is typically known as another production method of a polar group-containing olefin copolymer, it is known that if acrylic acid or meth Acrylic acid and the like are used as polar group-containing monomers, and these polar group-containing monomers become catalyst poisons, thus, the polymerization activity is extremely low, and due to this, the desired polar group-containing olefin copolymer cannot be obtained

Method used

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  • Production method for ethylene-based ionomer and ethylene-based ionomer
  • Production method for ethylene-based ionomer and ethylene-based ionomer
  • Production method for ethylene-based ionomer and ethylene-based ionomer

Examples

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Embodiment

[0304] Hereinafter, the present invention will be described in more detail with reference to Examples and Comparative Examples, but the present invention is not limited to these Examples.

[0305] Measurement and evaluation of physical properties in Examples and Comparative Examples were performed by the following methods.

[0306]

[0307] (1) Measurement of the phase angle δ (G*=0.1MPa) when the absolute value of the composite elastic modulus G*=0.1MPa

[0308] 1) Pretreatment of samples

[0309] In the case where an acid group is included in the sample, for example, esterification treatment such as methylation using diazomethane, tetramethylsilane (TMS) diazomethane or the like is performed, and the resulting product is used for measurement.

[0310] 2) Sample preparation and measurement

[0311] After placing the sample in a mold for a heating press with a thickness of 1.0mm and preheating for 5 minutes in a heating press with a surface temperature of 180°C, the residu...

manufacture example 1

[0363] Production Example 1: Ethylene / tert-butyl acrylate copolymer (EtBA)

[0364] ·Synthesis of metal complexes

[0365] As the metal complex, according to Synthesis Example 4 described in the pamphlet of International Publication No. 2010 / 050256, a ligand B-27DM represented by the following chemical formula was used. According to Example 1 of the pamphlet of International Publication No. 2010 / 050256, bis-1,5-cyclooctadiene nickel(0) (referred to as Ni(COD) 2 ), synthesized B-27DM and Ni(COD) 2 Nickel complexes that have been reacted in a 1:1 ratio.

[0366]

[0367] Copolymerization of ethylene and tert-butyl acrylate (tBA)

[0368] Dry toluene (1.0 L), 36.6 mg (0.1 mmol) of tri-n-octylaluminum (TNOA) and 14.6 ml (100 mmol) of tert-butyl acrylate were placed in an autoclave with an inner volume of 2.4 L equipped with stirring blades. While stirring, the autoclave was heated to 90° C., nitrogen was supplied thereto at up to 0.3 MPa, ethylene was supplied to the autocl...

manufacture example 2

[0369] Production Example 2: Ethylene / tert-butyl acrylate copolymer (EtBA)

[0370] ·Synthesis of metal complexes

[0371] As the metal complex, according to Synthesis Example 10 described in the pamphlet of International Publication No. 2010 / 058849, a ligand represented by the following chemical formula (I) was used. According to Example 1-1 of the pamphlet of International Publication No. 2010 / 058849, bisdibenzylideneacetone palladium (referred to as Pd(dba) 2 ), where I and Pd(dba) were synthesized 2 Palladium that has been reacted in a 1:1 ratio.

[0372]

[0373] Copolymerization of ethylene and tert-butyl acrylate (tBA)

[0374] After an autoclave equipped with stirring blades having an inner volume of 2.4 liters was purged with purified nitrogen, dry toluene (0.8 liters) and 233 ml (1.6 mol) of tert-butyl ester (tBA) were charged thereinto. While stirring, the autoclave was heated to 110° C., nitrogen was supplied thereto up to 0.3 MPa, and ethylene was supplied ...

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Abstract

The purpose of the present invention is to provide a production method for a novel ethylene-based ionomer exhibiting exceptionally excellent break elongation, breaking stress, and strain hardening and a high melting point, as well as excellent mechanical properties and heat resistance. This invention pertains to an ethylene-based ionomer production method characterized by including a heating and conversion step in which a specific ethylene / unsaturated carboxylic acid ester copolymer is heated and an ester group in the copolymer is converted to a metal-containing carboxylic acid salt containing a metal ion from group 1, group 2 or group 12 of the periodic table.

Description

technical field [0001] The present invention relates to a method for producing a novel ethylene-based ionomer and the ethylene-based ionomer. Background technique [0002] Vinyl ionomers are resins or resins obtained by intermolecular bonding of copolymers of ethylene and unsaturated carboxylic acids such as (meth)acrylic acid and metal ions such as sodium or zinc, and have hitherto been known It is a resin having excellent heat-sealing properties, transparency, toughness, abrasion resistance, and low-temperature resistance (Patent Document 1), and it is used, for example, as a material of golf balls. [0003] Now, as commercially available vinyl ionomers, "SURLYN (registered trademark)" developed by DuPont and "HIMILAN (registered trademark)" sold by DuPont-Mitsui Polychemical Co., Ltd. of Japan are known of. As an ethylene / (meth)acrylic acid copolymer known in the prior art for vinyl ionomers, specifically, the use of ethylene and a polar group-containing monomer such as...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08F8/00C08F210/02C08F220/10
CPCC08F210/02C08F8/12C08F8/44C08F2800/10C08F2810/50C08F220/1804C08F2500/03C08F2500/12C08K5/09C08L23/06C08L23/0876C08F4/80C08F4/7032
Inventor 服部高明江头俊昭上松正弘
Owner JAPAN POLYETHYLENE CORP
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