JP2002179858A5 - - Google Patents
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- JP2002179858A5 JP2002179858A5 JP2000377503A JP2000377503A JP2002179858A5 JP 2002179858 A5 JP2002179858 A5 JP 2002179858A5 JP 2000377503 A JP2000377503 A JP 2000377503A JP 2000377503 A JP2000377503 A JP 2000377503A JP 2002179858 A5 JP2002179858 A5 JP 2002179858A5
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- Prior art keywords
- methyl
- octadiene
- polymerization
- hexadiene
- ethylene
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- 238000006116 polymerization reaction Methods 0.000 description 14
- -1 polypropylene Polymers 0.000 description 14
- 239000004743 Polypropylene Substances 0.000 description 12
- 229920001155 polypropylene Polymers 0.000 description 12
- 239000000203 mixture Substances 0.000 description 11
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 9
- 239000005977 Ethylene Substances 0.000 description 9
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 8
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 8
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 8
- 239000004705 High-molecular-weight polyethylene Substances 0.000 description 7
- 125000004432 carbon atom Chemical group C* 0.000 description 7
- 239000004711 α-olefin Substances 0.000 description 7
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
- 239000006260 foam Substances 0.000 description 6
- 239000000178 monomer Substances 0.000 description 6
- BBEAQIROQSPTKN-UHFFFAOYSA-N pyrene Chemical compound C1=CC=C2C=CC3=CC=CC4=CC=C1C2=C43 BBEAQIROQSPTKN-UHFFFAOYSA-N 0.000 description 6
- XWJBRBSPAODJER-UHFFFAOYSA-N 1,7-octadiene Chemical compound C=CCCCCC=C XWJBRBSPAODJER-UHFFFAOYSA-N 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- RRHGJUQNOFWUDK-UHFFFAOYSA-N Isoprene Chemical compound CC(=C)C=C RRHGJUQNOFWUDK-UHFFFAOYSA-N 0.000 description 4
- 239000000470 constituent Substances 0.000 description 3
- GVEPBJHOBDJJJI-UHFFFAOYSA-N fluoranthrene Natural products C1=CC(C2=CC=CC=C22)=C3C2=CC=CC3=C1 GVEPBJHOBDJJJI-UHFFFAOYSA-N 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- AHAREKHAZNPPMI-AATRIKPKSA-N (3e)-hexa-1,3-diene Chemical compound CC\C=C\C=C AHAREKHAZNPPMI-AATRIKPKSA-N 0.000 description 2
- JBVMSEMQJGGOFR-FNORWQNLSA-N (4e)-4-methylhexa-1,4-diene Chemical compound C\C=C(/C)CC=C JBVMSEMQJGGOFR-FNORWQNLSA-N 0.000 description 2
- PRBHEGAFLDMLAL-GQCTYLIASA-N (4e)-hexa-1,4-diene Chemical compound C\C=C\CC=C PRBHEGAFLDMLAL-GQCTYLIASA-N 0.000 description 2
- OJOWICOBYCXEKR-KRXBUXKQSA-N (5e)-5-ethylidenebicyclo[2.2.1]hept-2-ene Chemical compound C1C2C(=C/C)/CC1C=C2 OJOWICOBYCXEKR-KRXBUXKQSA-N 0.000 description 2
- PMJHHCWVYXUKFD-SNAWJCMRSA-N (E)-1,3-pentadiene Chemical compound C\C=C\C=C PMJHHCWVYXUKFD-SNAWJCMRSA-N 0.000 description 2
- PRBHEGAFLDMLAL-UHFFFAOYSA-N 1,5-Hexadiene Natural products CC=CCC=C PRBHEGAFLDMLAL-UHFFFAOYSA-N 0.000 description 2
- VXNZUUAINFGPBY-UHFFFAOYSA-N 1-Butene Chemical compound CCC=C VXNZUUAINFGPBY-UHFFFAOYSA-N 0.000 description 2
- AFFLGGQVNFXPEV-UHFFFAOYSA-N 1-decene Chemical compound CCCCCCCCC=C AFFLGGQVNFXPEV-UHFFFAOYSA-N 0.000 description 2
- CRSBERNSMYQZNG-UHFFFAOYSA-N 1-dodecene Chemical compound CCCCCCCCCCC=C CRSBERNSMYQZNG-UHFFFAOYSA-N 0.000 description 2
- GQEZCXVZFLOKMC-UHFFFAOYSA-N 1-hexadecene Chemical compound CCCCCCCCCCCCCCC=C GQEZCXVZFLOKMC-UHFFFAOYSA-N 0.000 description 2
- LIKMAJRDDDTEIG-UHFFFAOYSA-N 1-hexene Chemical compound CCCCC=C LIKMAJRDDDTEIG-UHFFFAOYSA-N 0.000 description 2
- KWKAKUADMBZCLK-UHFFFAOYSA-N 1-octene Chemical compound CCCCCCC=C KWKAKUADMBZCLK-UHFFFAOYSA-N 0.000 description 2
- HFDVRLIODXPAHB-UHFFFAOYSA-N 1-tetradecene Chemical compound CCCCCCCCCCCCC=C HFDVRLIODXPAHB-UHFFFAOYSA-N 0.000 description 2
- HECLRDQVFMWTQS-RGOKHQFPSA-N 1755-01-7 Chemical compound C1[C@H]2[C@@H]3CC=C[C@@H]3[C@@H]1C=C2 HECLRDQVFMWTQS-RGOKHQFPSA-N 0.000 description 2
- WSSSPWUEQFSQQG-UHFFFAOYSA-N 4-methyl-1-pentene Chemical compound CC(C)CC=C WSSSPWUEQFSQQG-UHFFFAOYSA-N 0.000 description 2
- INYHZQLKOKTDAI-UHFFFAOYSA-N 5-ethenylbicyclo[2.2.1]hept-2-ene Chemical compound C1C2C(C=C)CC1C=C2 INYHZQLKOKTDAI-UHFFFAOYSA-N 0.000 description 2
- VSQLAQKFRFTMNS-UHFFFAOYSA-N 5-methylhexa-1,4-diene Chemical compound CC(C)=CCC=C VSQLAQKFRFTMNS-UHFFFAOYSA-N 0.000 description 2
- AEXFUHQVPCYDHK-UHFFFAOYSA-N 6-ethylidenedec-1-ene Chemical compound CCCCC(=CC)CCCC=C AEXFUHQVPCYDHK-UHFFFAOYSA-N 0.000 description 2
- DNONEECSMXNNSS-UHFFFAOYSA-N 6-ethylidenenon-1-ene Chemical compound CCCC(=CC)CCCC=C DNONEECSMXNNSS-UHFFFAOYSA-N 0.000 description 2
- ARODYGPJEOHODE-UHFFFAOYSA-N 6-ethylnona-1,6-diene Chemical compound CCC=C(CC)CCCC=C ARODYGPJEOHODE-UHFFFAOYSA-N 0.000 description 2
- GFDIPZYKPMOUJP-UHFFFAOYSA-N 6-ethylocta-1,6-diene Chemical compound CCC(=CC)CCCC=C GFDIPZYKPMOUJP-UHFFFAOYSA-N 0.000 description 2
- FVIPRCZHTALTBN-UHFFFAOYSA-N 6-methyldeca-1,6-diene Chemical compound CCCC=C(C)CCCC=C FVIPRCZHTALTBN-UHFFFAOYSA-N 0.000 description 2
- XLBYLWWBYKAJEF-UHFFFAOYSA-N 6-methylnona-1,6-diene Chemical compound CCC=C(C)CCCC=C XLBYLWWBYKAJEF-UHFFFAOYSA-N 0.000 description 2
- DHBQJICESILRNK-UHFFFAOYSA-N 6-methylocta-1,6-diene Chemical compound CC=C(C)CCCC=C DHBQJICESILRNK-UHFFFAOYSA-N 0.000 description 2
- MDYDTHWBLULRKI-UHFFFAOYSA-N 6-methylundeca-1,6-diene Chemical compound CCCCC=C(C)CCCC=C MDYDTHWBLULRKI-UHFFFAOYSA-N 0.000 description 2
- NWHILBVHTNRAQV-UHFFFAOYSA-N 7-ethylnona-1,6-diene Chemical compound CCC(CC)=CCCCC=C NWHILBVHTNRAQV-UHFFFAOYSA-N 0.000 description 2
- ZUFACNOGDICBBY-UHFFFAOYSA-N 7-methyldeca-1,6-diene Chemical compound CCCC(C)=CCCCC=C ZUFACNOGDICBBY-UHFFFAOYSA-N 0.000 description 2
- KQTMAWXLVLZCJM-UHFFFAOYSA-N 7-methylnona-1,6-diene Chemical compound CCC(C)=CCCCC=C KQTMAWXLVLZCJM-UHFFFAOYSA-N 0.000 description 2
- UCKITPBQPGXDHV-UHFFFAOYSA-N 7-methylocta-1,6-diene Chemical compound CC(C)=CCCCC=C UCKITPBQPGXDHV-UHFFFAOYSA-N 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- NLDGJRWPPOSWLC-UHFFFAOYSA-N deca-1,9-diene Chemical compound C=CCCCCCCC=C NLDGJRWPPOSWLC-UHFFFAOYSA-N 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 238000005187 foaming Methods 0.000 description 2
- PYGSKMBEVAICCR-UHFFFAOYSA-N hexa-1,5-diene Chemical compound C=CCCC=C PYGSKMBEVAICCR-UHFFFAOYSA-N 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- VAMFXQBUQXONLZ-UHFFFAOYSA-N n-alpha-eicosene Natural products CCCCCCCCCCCCCCCCCCC=C VAMFXQBUQXONLZ-UHFFFAOYSA-N 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000012299 nitrogen atmosphere Substances 0.000 description 2
- CCCMONHAUSKTEQ-UHFFFAOYSA-N octadec-1-ene Chemical compound CCCCCCCCCCCCCCCCC=C CCCMONHAUSKTEQ-UHFFFAOYSA-N 0.000 description 2
- QYZLKGVUSQXAMU-UHFFFAOYSA-N penta-1,4-diene Chemical compound C=CCC=C QYZLKGVUSQXAMU-UHFFFAOYSA-N 0.000 description 2
- YWAKXRMUMFPDSH-UHFFFAOYSA-N pentene Chemical compound CCCC=C YWAKXRMUMFPDSH-UHFFFAOYSA-N 0.000 description 2
- PMJHHCWVYXUKFD-UHFFFAOYSA-N piperylene Natural products CC=CC=C PMJHHCWVYXUKFD-UHFFFAOYSA-N 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- VOITXYVAKOUIBA-UHFFFAOYSA-N triethylaluminium Chemical compound CC[Al](CC)CC VOITXYVAKOUIBA-UHFFFAOYSA-N 0.000 description 2
- 229940106006 1-eicosene Drugs 0.000 description 1
- FIKTURVKRGQNQD-UHFFFAOYSA-N 1-eicosene Natural products CCCCCCCCCCCCCCCCCC=CC(O)=O FIKTURVKRGQNQD-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 229920001400 block copolymer Polymers 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 229940069096 dodecene Drugs 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920001519 homopolymer Polymers 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- TVMXDCGIABBOFY-UHFFFAOYSA-N n-Octanol Natural products CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 description 1
- 229920005604 random copolymer Polymers 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 238000007666 vacuum forming Methods 0.000 description 1
Description
【請求項５】
請求項1ないし４のいずれかに記載の改質ポリプロピレン組成物（Ａ） ２０〜９９重量部と、
メルトフローレート（ＡＳＴＭ Ｄ１２３８、２３０℃、荷重２．１６ｋｇ）が０．４
〜１０ｇ／10分の範囲にある非改質ポリプロピレン（Ｆ） ８０〜１重量部（但し、改質ポリプロピレン組成物（Ａ）と非改質ポリプロピレン（Ｆ）の合計は１００重量部である。）とからなることを特徴とする改質ポリプロピレン組成物。
Claim 5.
20 to 99 parts by weight of the modified polypropylene composition (A) according to any one of claims 1 to 4,
Melt flow rate (ASTM D1238, 230 ° C, load 2.16 kg) is 0.4
Unmodified polyps and Russia pyrene in the range of to 10 g / 10 min (F) 1:80 parts by weight (however, the modified polypropylene composition (A) and the sum of the unmodified polyps and Russia pyrene (F) is 100 parts by weight The modified polypropylene composition characterized by the following.
【請求項７】
請求項１ないし５のいずれかに記載の改質ポリプロピレン組成物（Ａ）を発泡させて得られることを特徴とする改質ポリプロピレン発泡体。
7.
A modified polypropylene foam obtained by foaming the modified polypropylene composition (A) according to any one of claims 1 to 5 .
本発明の他の態様に係る改質ポリプロピレン組成物は、
前記改質ポリプロピレン組成物（Ａ） ２０〜９９重量部と、
メルトフローレート（ＡＳＴＭ Ｄ１２３８、２３０℃、荷重２．１６ｋｇ）が０．４
〜１０ｇ／10分の範囲にある非改質ポリプロピレン（Ｆ） ８０〜１重量部とからなることを特徴としている。
Modified polypropylene composition according to another aspect of the present invention,
20 to 99 parts by weight of the modified polypropylene composition (A),
Melt flow rate (ASTM D1238, 230 ° C, load 2.16 kg) is 0.4
It is characterized by comprising the unmodified polyps and Russia pyrene (F) 1:80 parts by weight in the range of to 10 g / 10 min.
本発明では、高分子量ポリエチレンは少量の上記エチレンおよび炭素原子数３〜２０のα-オレフィン以外の不飽和単量体を含んでいてもよい。このような不飽和単量体として
は、1,3-ブタジエン、1,3-ペンタジエン、1,4-ペンタジエン、1,3-ヘキサジエン、1,4-ヘキサジエン、1,5-ヘキサジエン、4-メチル-1,4-ヘキサジエン、5-メチル-1,4-ヘキサジエン、6-メチル-1,6-オクタジエン、7-メチル-1,6-オクタジエン、6-エチル-1,6-オクタジ
エン、6-プロピル-1,6-オクタジエン、6-ブチル-1,6-オクタジエン、6-メチル-1,6-ノナ
ジエン、7-メチル-1,6-ノナジエン、6-エチル-1,6-ノナジエン、7-エチル-1,6-ノナジエ
ン、6-メチル-1,6-デカジエン、7-メチル-1,6-デカジエン、6-メチル-1,6-ウンデカジエ
ン、1,7-オクタジエン、1,9-デカジエン、イソプレン、ブタジエン、エチリデンノルボルネン、ビニルノルボルネンおよびジシクロペンタジエンなどの炭素原子数４〜２０のジエン化合物などが挙げられる。これらの不飽和単量体から導かれる構成単位は、高分子量ポリエチレン中に２モル％以下、好ましくは１モル％以下の割合で含んでいてもよい。
In the present invention, the high molecular weight polyethylene may contain a small amount of the above-mentioned ethylene and an unsaturated monomer other than the α-olefin having 3 to 20 carbon atoms. Such unsaturated monomers include 1,3-butadiene, 1,3-pentadiene, 1,4-pentadiene, 1,3-hexadiene, 1,4-hexadiene, 1,5-hexadiene, 4-methyl -1,4-hexadiene, 5-methyl-1,4-hexadiene, 6-methyl-1,6-octadiene, 7-methyl-1,6-octadiene, 6-ethyl-1,6-octadiene, 6-propyl -1,6-octadiene, 6-butyl-1,6-octadiene, 6-methyl-1,6-nonadiene, 7-methyl-1,6-nonadiene, 6-ethyl-1,6-nonadiene, 7-ethyl -1,6-nonadiene, 6-methyl-1,6-decadiene, 7-methyl-1,6-decadiene, 6-methyl-1,6-undecadiene, 1,7-octadiene, 1,9-decadiene, isoprene And diene compounds having 4 to 20 carbon atoms such as butadiene, ethylidene norbornene, vinylnorbornene and dicyclopentadiene. The constituent units derived from these unsaturated monomers may be contained in the high-molecular-weight polyethylene at a ratio of 2 mol% or less, preferably 1 mol% or less.
（高分子量ポリエチレン（Ｂ））
本発明で用いられる高分子量ポリエチレン（Ｂ）は、エチレン単独重合体またはエチレンと炭素原子数が３〜２０のα-オレフィンとの共重合体である。ここで、炭素原子数が
３〜２０のα-オレフィンとしては、プロピレン、1-ブテン、1-ペンテン、1-ヘキセン、4-メチル-1-ペンテン、1-オクテン、1-デセン、1-ドデセン、1-テトラデセン、1-ヘキサデセン、1-オクタデセン、1-エイコセンなどが挙げられ、炭素原子数が３〜８のα-オレフ
ィンが好ましい。これらのα-オレフィンは、エチレンとランダム共重合体を形成しても
よく、また、ブロック共重合体を形成してもよい。これらのα-オレフィンから導かれる
構成単位は、高分子量ポリエチレン中に１０モル％以下、好ましくは５モル％以下の割合で含んでいてもよい。
(High molecular weight polyethylene (B))
The high molecular weight polyethylene (B) used in the present invention is an ethylene homopolymer or a copolymer of ethylene and an α-olefin having 3 to 20 carbon atoms. Here, as the α-olefin having 3 to 20 carbon atoms, propylene, 1-butene, 1-pentene, 1-hexene, 4-methyl-1-pentene, 1-octene, 1-decene, 1-dodecene , 1-tetradecene, 1-hexadecene, 1-octadecene, 1-eicosene and the like, and an α-olefin having 3 to 8 carbon atoms is preferable. These α-olefins may form a random copolymer with ethylene, or may form a block copolymer. The constituent units derived from these α-olefins may be contained in the high molecular weight polyethylene in a proportion of 10 mol% or less, preferably 5 mol% or less.
本発明では、高分子量ポリエチレンは少量の上記エチレンおよび炭素原子数３〜２０のα-オレフィン以外の不飽和単量体を含んでいてもよい。このような不飽和単量体として
は、1,3-ブタジエン、1,3-ペンタジエン、1,4-ペンタジエン、1,3-ヘキサジエン、1,4-ヘキサジエン、1,5-ヘキサジエン、4-メチル-1,4-ヘキサジエン、5-メチル-1,4-ヘキサジエン、6-メチル-1,6-オクタジエン、7-メチル-1,6-オクタジエン、6-エチル-1,6-オクタジ
エン、6-プロピル-1,6-オクタジエン、6-ブチル-1,6-オクタジエン、6-メチル-1,6-ノナ
ジエン、7-メチル-1,6-ノナジエン、6-エチル-1,6-ノナジエン、7-エチル-1,6-ノナジエ
ン、6-メチル-1,6-デカジエン、7-メチル-1,6-デカジエン、6-メチル-1,6-ウンデカジエ
ン、1,7-オクタジエン、1,9-デカジエン、イソプレン、ブタジエン、エチリデンノルボルネン、ビニルノルボルネンおよびジシクロペンタジエンなどの炭素原子数４〜２０のジエン化合物などが挙げられる。これらの不飽和単量体から導かれる構成単位は、高分子量ポリエチレン中に２モル％以下、好ましくは１モル％以下の割合で含んでいてもよい。
In the present invention, the high molecular weight polyethylene may contain a small amount of the above-mentioned ethylene and an unsaturated monomer other than the α-olefin having 3 to 20 carbon atoms. Examples of such unsaturated monomers include 1,3-butadiene, 1,3-pentadiene, 1,4-pentadiene, 1,3-hexadiene, 1,4-hexadiene, 1,5-hexadiene, and 4-methyl -1,4-hexadiene, 5-methyl-1,4-hexadiene, 6-methyl-1,6-octadiene, 7-methyl-1,6-octadiene, 6-ethyl-1,6-octadiene, 6-propyl -1,6-octadiene, 6-butyl-1,6-octadiene, 6-methyl-1,6-nonadiene, 7-methyl-1,6-nonadiene, 6-ethyl-1,6-nonadiene, 7-ethyl -1,6-nonadiene, 6-methyl-1,6-decadiene, 7-methyl-1,6-decadiene, 6-methyl-1,6-undecadiene, 1,7-octadiene, 1,9-decadiene, isoprene And diene compounds having 4 to 20 carbon atoms such as butadiene, ethylidene norbornene, vinylnorbornene and dicyclopentadiene. The constituent units derived from these unsaturated monomers may be contained in the high-molecular-weight polyethylene at a ratio of 2 mol% or less, preferably 1 mol% or less.
本発明の改質ポリプロピレン組成物（Ａ）は伸長変形時の粘度の急激な上昇があり、メルトテンションが高く、かつＭＦＲが適度であることから、特に発泡シート状に成形することに適している。
本発明の改質ポリプロピレン組成物（Ａ）から製造された発泡シートはドローダウンが少なく二次成形性が良好であり、熱圧空成形または真空成形により、発泡シートからトレーなどを多量に成形することができる。
The modified polypropylene composition (A) of the present invention has a sharp rise in viscosity during elongation deformation, has a high melt tension, and has an appropriate MFR, and is therefore particularly suitable for molding into a foamed sheet. .
Foam sheets made from modified polypropylene composition (A) of the present invention has good secondary formability little drawdown, thermal pressure forming or vacuum forming, can be molded from foam sheet such as a large amount tray Can be.
【００７６】
【発明の効果】
本発明に係る改質ポリプロピレン組成物はメルトテンションが高く発泡性に適した溶融特性が優れている。本発明の改質ポリプロピレン組成物は流動性が優れ、かつメルトテンションが高く、独立気泡からなる発泡シートが得られる。この発泡シートはドローダウンが少なく二次加工性が優れ、外観美麗な、耐熱性、食品衛生性に優れたカップ、トレーなどの発泡体を成形することができる。
[0076]
【The invention's effect】
Modified poly-flop propylene composition according to the present invention has excellent melt characteristics melt tension suitable for high foaming. Modified poly-flop propylene composition of the present invention is excellent in fluidity and melt tension is high, the foam sheet is obtained consisting of closed cells. This foam sheet can form a foam such as cups and trays having a small drawdown, excellent secondary workability, excellent appearance, excellent heat resistance, and excellent food hygiene.
引き続き、重合機内の窒素を真空ポンプで除去し、プロピレンを装入しつつ、昇温を開始し、重合温度を７０℃とし内圧６ｋｇ／ｃｍ2（ゲージ）上限とし無水素濃度下でプロ
ピレンを連続的に装入し、所定量のプロピレンを反応させた。重合終了後メタノールを１４４．３ｍｌ装入して重合を停止させ、通常の方法により精製乾燥して、５２０ｋｇのパウダー重合体を得た。得られたポリプロピレンの［η］は７．２ｄｌ／ｇであり、赤外吸収測定から求めたエチレン量は７．０重量％であった。
Subsequently, the polymerization flight nitrogen was removed by a vacuum pump, while charged with propylene, the Atsushi Nobori was started, the polymerization temperature was 70 ° C. internal pressure 6 kg / cm 2 (gauge) upper and pro under no hydrogen concentration <br /> the Pile down continuously charged, allowed to react a predetermined amount of propylene. After the completion of the polymerization, 144.3 ml of methanol was charged to stop the polymerization, and the resultant was purified and dried by a usual method to obtain 520 kg of a powder polymer. [Η] of the obtained polypropylene was 7.2 dl / g, and the amount of ethylene determined by infrared absorption measurement was 7.0% by weight.
【００８５】
【比較例１】
ポリプロピレン組成物
内容量３０００リットルの重合装置に窒素雰囲気下で、ヘプタン１１８０リットル、トリエチルアルミニウム１１ｇと実施例１の方法で調整した固体状チタン触媒成分を７８ｇ
装入した。重合槽内の窒素０ｋｇ／ｃｍ2（ゲージ）下で、エチレンを装入を開始した。
上限温度３５℃で重合槽の内圧を３ｋｇ／ｃｍ2（ゲージ）上限で反応予定量のエチレン
を連続的に装入し、残圧反応も含め３時間重合を継続した。重合槽残圧０ｋｇ／ｃｍ2（
ゲージ）付近で重合槽内のスラリーの一部をサンプリングして分析したところ、［η］は３５．０ｄｌ／ｇであった。
[0085]
[Comparative Example 1]
Under a nitrogen atmosphere in the polypropylene composition content weight of 3,000 liters polymerization apparatus, heptane 1,180 liters, triethylaluminum 11g of the solid titanium catalysts components adjusted by the method of Example 1 78 g
Charged. Under a nitrogen atmosphere of 0 kg / cm 2 (gauge) in the polymerization tank, ethylene charging was started.
At an upper limit temperature of 35 ° C. and an internal pressure of the polymerization tank of 3 kg / cm 2 (gauge), an expected amount of ethylene was continuously charged at an upper limit, and polymerization was continued for 3 hours including a residual pressure reaction. Polymerization tank residual pressure 0 kg / cm 2 (
A part of the slurry in the polymerization tank was sampled and analyzed near (gauge), and [η] was 35.0 dl / g.
引き続き、トリエチルアルミニウム１４８ｇ、ＤＣＰＭＳ ２９９ｇとを重合機に追加
し、重合機内の窒素を真空ポンプで除去し、プロピレンを装入しつつ昇温を開始し、重合温度を７０℃で内圧６ｋｇ／ｃｍ2（ゲージ）上限とし無水素濃度下でプロピレンを連続
的に装入し、所定量のプロピレンを反応させた。重合終了後メタノールを１４４．３ｍｌ装入して重合を停止させ、通常の方法により精製乾燥して、５００ｋｇのパウダー重合体を得た。得られたポリプロピレンの［η］は６．７ｄｌ／ｇであり、赤外吸収測定から求めたエチレン含量は０．９重量％であった。
Subsequently, triethyl aluminum 148 g, was added and DCPMS 299 g to polymerizer, polymerization flight nitrogen was removed by a vacuum pump, to begin heated while charged with propylene, pressure 6 kg / cm 2 and the polymerization temperature at 70 ° C. (gauge) the upper limit and then propylene down under no hydrogen concentration continuously charged, allowed to react a predetermined amount of propylene. After completion of the polymerization, 144.3 ml of methanol was charged to stop the polymerization, and the polymer was purified and dried by a usual method to obtain 500 kg of a powder polymer. [Η] of the obtained polypropylene was 6.7 dl / g, and the ethylene content determined by infrared absorption measurement was 0.9% by weight.
得られた発泡シートの発泡倍率、外観、セル形状および二次成形性（真空成形性）につき評価した。結果を表２に示す。
シート外観：目視で評価基準により評価した。
外観の評価基準：
○：未発泡部位や凹凸、コルゲートが見られない。
The expansion ratio, appearance, cell shape and secondary formability (vacuum formability) of the obtained foamed sheet were evaluated. Table 2 shows the results.
Sheet appearance: visually evaluated according to evaluation criteria.
Evaluation criteria for appearance:
：: Unfoamed portions, irregularities, and corrugates are not observed.
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| US9187610B2 (en) | 2004-10-27 | 2015-11-17 | Sumitomo Chemical Company, Limited | Polypropylene resin composition and foamed article produced therefrom |
| JP5893181B2 (en) * | 2015-01-26 | 2016-03-23 | 株式会社プライムポリマー | Propylene resin composition for welding molding and welded molding obtained therefrom |
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