JPS6392620A - Polybutadiene - Google Patents
PolybutadieneInfo
- Publication number
- JPS6392620A JPS6392620A JP23967886A JP23967886A JPS6392620A JP S6392620 A JPS6392620 A JP S6392620A JP 23967886 A JP23967886 A JP 23967886A JP 23967886 A JP23967886 A JP 23967886A JP S6392620 A JPS6392620 A JP S6392620A
- Authority
- JP
- Japan
- Prior art keywords
- polybutadiene
- impact
- polystyrene resin
- present
- viscosity
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000005062 Polybutadiene Substances 0.000 title claims abstract description 44
- 229920002857 polybutadiene Polymers 0.000 title claims abstract description 44
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims abstract description 22
- 239000000470 constituent Substances 0.000 claims description 2
- 239000011342 resin composition Substances 0.000 abstract description 25
- 229920005990 polystyrene resin Polymers 0.000 abstract description 18
- 229920001971 elastomer Polymers 0.000 abstract description 9
- 239000005060 rubber Substances 0.000 abstract description 9
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 abstract description 8
- 238000006116 polymerization reaction Methods 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 5
- 239000004793 Polystyrene Substances 0.000 abstract description 3
- 150000001875 compounds Chemical class 0.000 abstract description 3
- 229920002223 polystyrene Polymers 0.000 abstract description 3
- NBICYCZLCAMSBG-UHFFFAOYSA-L [Co+2].CCCCCC=CC([O-])=O.CCCCCC=CC([O-])=O Chemical compound [Co+2].CCCCCC=CC([O-])=O.CCCCCC=CC([O-])=O NBICYCZLCAMSBG-UHFFFAOYSA-L 0.000 abstract description 2
- 239000003054 catalyst Substances 0.000 abstract description 2
- 229910017052 cobalt Inorganic materials 0.000 abstract description 2
- 239000010941 cobalt Substances 0.000 abstract description 2
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 abstract description 2
- 150000002816 nickel compounds Chemical class 0.000 abstract description 2
- 230000000379 polymerizing effect Effects 0.000 abstract description 2
- YNLAOSYQHBDIKW-UHFFFAOYSA-M diethylaluminium chloride Chemical compound CC[Al](Cl)CC YNLAOSYQHBDIKW-UHFFFAOYSA-M 0.000 abstract 1
- 239000000243 solution Substances 0.000 description 16
- 230000000052 comparative effect Effects 0.000 description 8
- 229920005669 high impact polystyrene Polymers 0.000 description 5
- 239000004797 high-impact polystyrene Substances 0.000 description 5
- 239000000203 mixture Substances 0.000 description 4
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 230000000704 physical effect Effects 0.000 description 3
- RRKODOZNUZCUBN-CCAGOZQPSA-N (1z,3z)-cycloocta-1,3-diene Chemical compound C1CC\C=C/C=C\C1 RRKODOZNUZCUBN-CCAGOZQPSA-N 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- XMNIXWIUMCBBBL-UHFFFAOYSA-N 2-(2-phenylpropan-2-ylperoxy)propan-2-ylbenzene Chemical compound C=1C=CC=CC=1C(C)(C)OOC(C)(C)C1=CC=CC=C1 XMNIXWIUMCBBBL-UHFFFAOYSA-N 0.000 description 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical group N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- 239000004342 Benzoyl peroxide Substances 0.000 description 1
- OMPJBNCRMGITSC-UHFFFAOYSA-N Benzoylperoxide Chemical compound C=1C=CC=CC=1C(=O)OOC(=O)C1=CC=CC=C1 OMPJBNCRMGITSC-UHFFFAOYSA-N 0.000 description 1
- BJZQPUBYOZDEHI-UHFFFAOYSA-M Cl(=O)[O-].C(C)[Al+]CC Chemical compound Cl(=O)[O-].C(C)[Al+]CC BJZQPUBYOZDEHI-UHFFFAOYSA-M 0.000 description 1
- 239000005063 High cis polybutadiene Substances 0.000 description 1
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 229920000800 acrylic rubber Polymers 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 235000019400 benzoyl peroxide Nutrition 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- WNAHIZMDSQCWRP-UHFFFAOYSA-N dodecane-1-thiol Chemical compound CCCCCCCCCCCCS WNAHIZMDSQCWRP-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000005038 ethylene vinyl acetate Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000012778 molding material Substances 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 1
- 229920000058 polyacrylate Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 229920003048 styrene butadiene rubber Polymers 0.000 description 1
- 229920003051 synthetic elastomer Polymers 0.000 description 1
- 239000005061 synthetic rubber Substances 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は、ポリブタジェン、詳しくは、特に耐衝撃性ポ
リスチレン系樹脂組成物のゴム成分として好適に利用し
得るポリブタジェンに関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to polybutadiene, and more particularly, to polybutadiene that can be suitably used as a rubber component of a high-impact polystyrene resin composition.
ポリブタジェンは、１．３−ブタジェンを重合させるこ
とにより、シス−１，４構浩体、トランス−１，４構造
体及び１，２−構造体の混合物として得られる種々の特
性に優れた合成ゴムで、種々の物性のものがあり、種々
の用途に利用され、耐衝撃性の要求される種々の成形品
の成形材料として汎用されている耐衝撃性ポリスチレン
系樹脂組成物のゴム成分としても多用されている。Polybutadiene is a synthetic rubber with excellent various properties obtained as a mixture of cis-1,4 structure, trans-1,4 structure, and 1,2-structure by polymerizing 1,3-butadiene. It has various physical properties, is used for various purposes, and is widely used as a rubber component in impact-resistant polystyrene resin compositions, which are used as molding materials for various molded products that require impact resistance. has been done.
そして、耐衝撃性ポリスチレン系樹脂組成物においては
、その用途の拡大及び該組成物から得られる製品の品質
向上を図る上から、優れた耐衝撃性を有すると共に良好
な光沢を有する耐ｉＪｉ Ｙ性ポリスチレン系樹脂組成
物が要望されている。In order to expand the use of impact-resistant polystyrene-based resin compositions and improve the quality of products obtained from the compositions, it is important to use impact-resistant polystyrene resin compositions that have excellent impact resistance and good gloss. There is a demand for polystyrene resin compositions.
しかし、耐？ｆｉ撃性ポリスチレン系樹脂組成吻の耐衝
撃性を向上させるためには、溶液粘度の高いものを用い
る必要があるが、一方、耐街堅性ボリスチレン系樹脂組
成物の光沢を改良するには、原料ポリブタジェンとして
、溶液粘度の低いものを用いる必要があり、溶液粘度の
低いポリブタジェンを用いると、得られる耐衝撃性ポリ
スチレン系樹脂組成物の耐衝撃性が低下する問題が生じ
る。But resistance? In order to improve the impact resistance of the impact-resistant polystyrene resin composition, it is necessary to use a solution with high viscosity.On the other hand, in order to improve the gloss of the impact-resistant polystyrene resin composition, It is necessary to use a raw material polybutadiene with a low solution viscosity, and if a polybutadiene with a low solution viscosity is used, a problem arises in that the impact resistance of the resulting impact-resistant polystyrene resin composition is reduced.
従って、従来のポリブタジェンを用いた場合、耐衝撃性
を低下させることなく、良好な光沢を有する耐；ｉｓ
ｆ４！：性ポリスチレン系樹脂組成物を得ることば回能
であった。Therefore, when using conventional polybutadiene, it has good gloss without reducing impact resistance;
f4! : The ability to obtain polystyrene-based resin compositions was the key word.
従って、本発明の目的は、特に、優れた耐σｉ撃性及び
良好な光沢ををする耐衝撃性ポリスチレン系樹脂組成物
を得るためのゴム成分として好適に利用し得るポリブタ
ジェンを提供することにある。Therefore, an object of the present invention is to provide a polybutadiene that can be suitably used as a rubber component to obtain an impact-resistant polystyrene resin composition that has excellent σi impact resistance and good gloss. .
〔問題点を解決するための手段〕
本発明者らは、種々検討した結果、ムーニー粘度及び溶
液粘度がそれぞれ特定範囲内にある高シスポリブタジェ
ンが上記目的を達成し得ることを知見した。[Means for Solving the Problems] As a result of various studies, the present inventors found that a high-cis polybutadiene whose Mooney viscosity and solution viscosity are each within specific ranges can achieve the above object.
本発明は、上記知見に恭づきなされたもので、ムーニー
粘度ＣＭＬ１．４ （１００℃）〕が２８〜３８で且つ
溶液粘度〔５重量％−スチレン（３０°Ｃ） ）が５５
以上である、シス−１，４構造のものを主構成成分とす
るポリブタジェンを提供するものである。The present invention was made based on the above knowledge, and the Mooney viscosity CML1.4 (100°C) is 28 to 38, and the solution viscosity [5% by weight of styrene (30°C)] is 55.
The present invention provides a polybutadiene whose main constituent is a cis-1,4 structure.
以下、本発明のポリブタジェンを、特に耐衝撃性ポリス
チレン系樹脂組成物のゴム成分として好適なものを耐衝
撃性ポリスチレン系樹脂組成物に用いる場合について詳
述する。Hereinafter, the case where the polybutadiene of the present invention is used in a high-impact polystyrene-based resin composition, particularly one suitable as a rubber component of the high-impact polystyrene-based resin composition, will be described in detail.
本発明のポリブタジェンは、ムーニー粘度〔ＭＬｌ−４
（１００℃）〕が２８〜３８、好ましくは３０〜３６で
且つ溶液粘度〔５重量％−スチレン（３０℃）〕が５５
以上、好ましくは６０以上である、シス−１，４構造の
ものを主構成成分とするもので、シス−１，４構造含有
率は、好ましくは８５モル％以上、更に好ましくは９０
モル％以上、例えば、シス−１，４構造含有率８５〜９
９モル％、トランス−１，４構造含有率０．５〜１０モ
ル％、１．２構造含有率０．５〜１０モル％である。The polybutadiene of the present invention has a Mooney viscosity [MLl-4
(100°C)] is 28 to 38, preferably 30 to 36, and the solution viscosity [5% by weight of styrene (30°C)] is 55.
As mentioned above, the main component is a cis-1,4 structure, preferably 60 or more, and the cis-1,4 structure content is preferably 85 mol% or more, more preferably 90
Mol% or more, for example, cis-1,4 structure content 85 to 9
The trans-1,4 structure content is 0.5 to 10 mol%, and the 1.2 structure content is 0.5 to 10 mol%.
ムーニー粘度又は？８液粘度が前記範囲を逸脱したポリ
ブタジェンでは、本発明の目的は達成できない。即ち、
ムーニー粘度が前記範囲内であっても溶液粘度が５５未
満のポリブタジェンを用いた場合、或いは溶液粘度が前
記範囲内であってもムーニー粘度が３８超若しくは２８
未ン高のポリブタジェンを用いた場合には、優れた耐ｉ
ｊｉ撃性及び良好な光沢を有する耐１！ ＴＪ性ポリス
チレン系樹脂組成物は得られない。Mooney viscosity or? 8. If the polybutadiene has a liquid viscosity outside the above range, the object of the present invention cannot be achieved. That is,
Even if the Mooney viscosity is within the above range, the solution viscosity is less than 55. If polybutadiene is used, or even if the solution viscosity is within the above range, the Mooney viscosity is over 38 or 28.
When using polybutadiene with a high
Resistance 1 with high impact resistance and good gloss! A TJ polystyrene resin composition cannot be obtained.
優れた耐衝撃性及び良好な光沢を有する耐衝撃性ポリス
チレン系樹脂組成物を得るためには、更に、重量平均分
子に（−）と数平均分子量（不）との比（Ｍｗ／Ｍｎ）
が３．７以下、特に３．５以下である、本発明のポリブ
タジェンを用いるのが好ましい。In order to obtain an impact-resistant polystyrene resin composition having excellent impact resistance and good gloss, the ratio of the weight average molecular weight (-) to the number average molecular weight (-) (Mw/Mn)
It is preferable to use a polybutadiene according to the invention in which the
本発明のポリブタジェンは、有機アルミニウム化合物と
、コバルト又はニッケル化合物とを含む触媒を用いる等
の公知の製造法において、水の使用量を適当に調節する
ことによって製造できる。The polybutadiene of the present invention can be produced by appropriately adjusting the amount of water used in a known production method such as using a catalyst containing an organoaluminum compound and a cobalt or nickel compound.
また、本発明のポリブタジェンを耐衝撃性ポリスチレン
系樹脂組成物のｖ！Ａ造に用いる場合、その使用量は、
スチレン９８〜８５重量部に対して２〜１５重量部、特
にスチレン９５〜８８重量部に対して５〜１２重量部が
好ましく、その製造時に、必要に応し、本発明のポリブ
タジェンに、他の化合物、例えば、スチレン−ブタジェ
ン共重合体、エチレン−プロピレン共重合体、エチレン
−酢酸ビニル共重合体、アクリル系ゴム等を本発明のポ
リブタジェンに対し３０重量％以内において併用するこ
とができ、また上記スチレンに該スチレンと共重合可能
なビニル系モノマーを該スチレンに対し３０重皿％以内
において併用できる。また、必要に応じ、ムーニー粘度
又は溶液粘度が前記範囲外のポリブタジェンを、本発明
のポリブタジェンに対し５０重量％以内において併用す
ることもできる。In addition, the polybutadiene of the present invention can be used in an impact-resistant polystyrene resin composition. When used in A construction, the amount used is:
It is preferably 2 to 15 parts by weight based on 98 to 85 parts by weight of styrene, particularly 5 to 12 parts by weight based on 95 to 88 parts by weight of styrene. Compounds such as styrene-butadiene copolymer, ethylene-propylene copolymer, ethylene-vinyl acetate copolymer, acrylic rubber, etc. can be used together in an amount of up to 30% by weight based on the polybutadiene of the present invention, and the above-mentioned A vinyl monomer copolymerizable with the styrene may be used in combination with the styrene in an amount of up to 30% of the styrene. Further, if necessary, a polybutadiene having a Mooney viscosity or a solution viscosity outside the above range may be used in an amount of up to 50% by weight based on the polybutadiene of the present invention.
更に、本発明のポリブタジェンを上述の如く耐衝撃性ポ
リスチレン系樹脂組成物のゴム成分として用いる場合に
は、従来の耐衝撃性ポリスチレン系樹脂組成物と同様に
、その製造時に、必要に応し、種々の添加剤、例えば、
安定剤、着色剤、可塑剤、紫外線吸収剤を適宜添加でき
る。Furthermore, when the polybutadiene of the present invention is used as a rubber component of a high-impact polystyrene resin composition as described above, as in the case of conventional high-impact polystyrene resin compositions, during production, if necessary, Various additives, e.g.
Stabilizers, colorants, plasticizers, and ultraviolet absorbers can be added as appropriate.
尚、本発明のポリブタジェンは、耐衝撃性ポリスチレン
系樹脂組成物の製造に用いられる他、従来のポリブタジ
ェンと同様に種々の用途に用いることができるもので、
その用途に制限されるものではない。In addition, the polybutadiene of the present invention can be used in the production of impact-resistant polystyrene resin compositions, and can also be used for various purposes like conventional polybutadiene.
It is not limited to its use.
以下に本発明のポリブタジェンの製造を示す実施例、及
び該実施例で得られた本発明のポリブタジェン（本発明
品）を使用した使用例（耐ｉ・ｌｉ撃性ポリスチレン系
樹脂組成物の”Ａ造例）を挙げて本発明の詳細な説明す
る。Examples illustrating the production of the polybutadiene of the present invention and usage examples using the polybutadiene of the present invention (product of the present invention) obtained in the examples ("A" of the i/li impact resistant polystyrene resin composition) The present invention will be explained in detail with reference to a construction example.
実施例１
ヘンゼン１５００ｍｌに、１．３−ブタジェン３８０ｇ
を加え、次いで下記表−１に示す量の水及びジエチルア
ルミニウムモノクロライト （ＤＥＡＣ）、シクロオク
タジエン（ＣＯＤ） １０ｍｍｏｌ、及びオクテン酸
コバルト０．０２ ｍｍｏ＋を加えた後、５０℃下に４
０分間攪拌して１．３−ブタジェンの重合反応を行わせ
た。重合反応終了後、重合溶液に少量の２，６−ジ第三
ブチルバラクレゾールを含むメタノール５ｍｌを注入し
て重合を停止させて、次いで重合溶液を水洗し、簡易型
コアギユレータ−装置にてゴムをクラムとして回収し、
６０℃で乾燥してポリブタジェン（本発明品１）を得た
。得られたポリブタジェンのシス含す、ムーニー粘度、
溶液粘度、及び重量平均分子量（籟）と数平均分子＠
（Ｍｎ）との比（Ｍｗ／Ｍｎ）を下記表＝１に示す。Example 1 1,3-butadiene 380g in 1500ml Hensen
Then, water, diethylaluminum monochlorite (DEAC), cyclooctadiene (COD) 10 mmol, and cobalt octenoate 0.02 mmol+ were added in the amounts shown in Table 1 below, and then the mixture was heated to 50°C for 4 hours.
The mixture was stirred for 0 minutes to carry out a polymerization reaction of 1,3-butadiene. After the polymerization reaction is completed, 5 ml of methanol containing a small amount of 2,6-di-tert-butylvalacresol is injected into the polymerization solution to stop the polymerization.Then, the polymerization solution is washed with water, and the rubber is processed using a simple coagulator device. Collected as crumbs,
It was dried at 60°C to obtain polybutadiene (product 1 of the present invention). Mooney viscosity of the obtained polybutadiene,
Solution viscosity, weight average molecular weight (籟) and number average molecule @
(Mn) ratio (Mw/Mn) is shown in Table 1 below.
実施例２及び比較例１．２
下記表−１に示す量の水及びＤＢＡＣを用いた以外は上
記実施例１と同条件下に実施して、それぞれポリブタジ
ェン（本発明品２及び比較品１゜２）を得た。得られた
ポリブタジェンのソス含星、ムーニー粘度、溶液粘度、
及び重量平均分子Ｌ１（匙）と数平均分子量（、Ｍｎ）
との比（五／邪）を下記表−１に示す。Example 2 and Comparative Example 1.2 Polybutadiene (inventive product 2 and comparative product 1. 2) was obtained. Sos star inclusion, Mooney viscosity, solution viscosity of the obtained polybutadiene,
and weight average molecule L1 (spoon) and number average molecular weight (,Mn)
The ratio (5/evil) is shown in Table 1 below.
表−１
＊１： ムーニー粘度（ＭＬ＋、４（１００°Ｃ）〕
ＪＩＳ Ｋ６３００
＊２： 溶液粘度〔５重量％−スチレン（３０℃）〕
＊３： 重量平均分子量（−）と数平均分子量（乙）
との比（Ｍｗ／石）
溶媒Ｔ ＨＦ 、温度４０”０１カラムＧ？ＩＨ６００
０にて測定。Table-1 *1: Mooney viscosity (ML+, 4 (100°C))
JIS K6300 *2: Solution viscosity [5% by weight - styrene (30°C)]
*3: Weight average molecular weight (-) and number average molecular weight (B)
(Mw/stone) Solvent T HF, Temperature 40”01 Column G?IH600
Measured at 0.
使用例１．２及び比較使用例１．２
上記の実施例１．２及び比較例１．２でそれぞれ得られ
た本発明品１．２及び比較品１．２を使用して下記の如
くしてそれぞれ酎ｆＪｉ γ性ポリスチレン系樹脂ｈＪ
１成物を製造した。Use Example 1.2 and Comparative Use Example 1.2 Using the invention product 1.2 and comparative product 1.2 obtained in Example 1.2 and Comparative Example 1.2, respectively, the following procedure was carried out. respectively.
One product was produced.
１１セパラブルフラスコを窒素ガスで置換し、スチレン
５５８ｇと下記表−２に示すポリブタジェン（本発明品
１，２、比較品Ｌ ２）４２ｇ（ゴム７重■％）とを
加えて溶解し、次いでｎ −ドデシルメルカプタン０．
３０ｇを加えて、１１５℃でスチレン重合率が３０％に
なるまで撹拌下に予備重合した。次いで予備重合溶液を
０．５重量％のポリビニルアルコール
１、５１のオートクレーブに注入し、ベンゾイルパーオ
キサイド１．２ｇ及びジクミルパーオキサイド１、２ｇ
を加えて、１００℃で２時間、次いで１２５°Ｃで３時
間、次いで１４０℃で２時間攪拌下に重合した。重合反
応混合物からビーズ状のポリマーをυＷ’Ｊし、水洗し
、乾燥し、押出機でペレット化して、それぞれ耐衝撃性
ポリスチレン系樹脂組成物５５５ｇを得た。得られた耐
衝撃性ポリスチレン系樹脂組成物をそれぞれ射出成形し
て、物性測定用の試験片を作成し、それぞれ下記表−２
に示す物性を測定した。それらの測定結果を下記表−２
に示す。11 The separable flask was replaced with nitrogen gas, and 558 g of styrene and 42 g of polybutadiene (present invention products 1 and 2, comparative product L 2) shown in Table 2 below (rubber 7% by weight) were added and dissolved. n-dodecyl mercaptan 0.
30 g was added and prepolymerized with stirring at 115° C. until the styrene polymerization rate reached 30%. The prepolymerization solution was then poured into an autoclave containing 0.5% by weight of polyvinyl alcohol 1.51, 1.2 g of benzoyl peroxide and 1.2 g of dicumyl peroxide.
was added and polymerized with stirring at 100°C for 2 hours, then at 125°C for 3 hours, and then at 140°C for 2 hours. Bead-like polymers were υW'J from the polymerization reaction mixture, washed with water, dried, and pelletized using an extruder to obtain 555 g of each impact-resistant polystyrene resin composition. The obtained impact-resistant polystyrene resin compositions were each injection molded to prepare test pieces for measuring physical properties, and the results were as shown in Table 2 below.
The physical properties shown in were measured. The measurement results are shown in Table 2 below.
Shown below.
上記表−２に示す結果から、本発明のポリブタジェン（
本発明品１，２）を用いて得られる耐衝撃性ポリスチレ
ン系樹脂組成物（使用例１，２）は、優れた耐ｆＪｊ
’Ｊ性及び良好な光沢を有するが、ムーニー粘度又は溶
液粘度が本発明の範囲を逸脱したポリブタジェン（比較
品１．２）を用いて得られる耐衝撃性ポリスチレン系樹
脂組成物（比較使用例１，２）は、優れた耐衝撃性及び
良好な光沢を併有していないことが判る。From the results shown in Table 2 above, the polybutadiene of the present invention (
The impact-resistant polystyrene resin compositions (Usage Examples 1 and 2) obtained using the products of the present invention 1 and 2) have excellent fJj resistance.
Impact-resistant polystyrene resin composition (Comparative Use Example 1) obtained using polybutadiene (Comparative Product 1.2) which has J properties and good gloss but whose Mooney viscosity or solution viscosity is outside the range of the present invention. , 2) do not have both excellent impact resistance and good gloss.
本発明のポリブタジェンによれば、優れた耐衝撃性及び
良好な光沢を有する耐衝撃性ポリスチレン系樹脂組成物
を得ることができる。According to the polybutadiene of the present invention, an impact-resistant polystyrene resin composition having excellent impact resistance and good gloss can be obtained.
Claims (4)
が２８〜３８で且つ溶液粘度〔５重量％−スチレン（３
０℃）〕が５５以上である、シス−１，４構造のものを
主構成成分とするポリブタジエン。(1) Mooney viscosity [ML_1_+_4 (100℃)]
is 28 to 38, and the solution viscosity is [5% by weight - styrene (3
0° C.)] is 55 or more, and whose main constituent is a polybutadiene having a cis-1,4 structure.
以上である、特許請求の範囲第（１）項記載のポリブタ
ジエン。(2) Mooney viscosity is 30 to 36 and solution viscosity is 60
The polybutadiene described in claim (1) above.
＠）と数平均分子量（＠Ｍｎ＠）との比が（＠Ｍｗ＠／
＠Ｍｎ＠）が３．７以下、好ましくは３．５以下である
、特許請求の範囲第（１）項記載のポリブタジエン。(3) Weight average molecular weight in polybutadiene (@Mw
The ratio of @) to the number average molecular weight (@Mn@) is (@Mw@/
Polybutadiene according to claim 1, wherein @Mn@) is 3.7 or less, preferably 3.5 or less.
が８５モル％以上である、特許請求の範囲第（１）項記
載のポリブタジエン。(4) The polybutadiene according to claim (1), wherein the content of cis-1,4 structure in the polybutadiene is 85 mol% or more.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61239678A JPH0737491B2 (en) | 1986-10-08 | 1986-10-08 | Polybutadiene |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61239678A JPH0737491B2 (en) | 1986-10-08 | 1986-10-08 | Polybutadiene |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6392620A true JPS6392620A (en) | 1988-04-23 |
| JPH0737491B2 JPH0737491B2 (en) | 1995-04-26 |
Family
ID=17048283
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61239678A Expired - Lifetime JPH0737491B2 (en) | 1986-10-08 | 1986-10-08 | Polybutadiene |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0737491B2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0245508A (en) * | 1988-08-05 | 1990-02-15 | Ube Ind Ltd | Polybutadiene and impact-resistant polystyrenic resin composition using said polybutadiene |
| WO1999029747A1 (en) * | 1997-12-08 | 1999-06-17 | Japan As Represented By Director General Of The Agency Of Industrial Science And Technology | Butadiene polymer, process for the preparation of conjugated diene polymers, and catalyst |
| WO1999065955A1 (en) * | 1998-06-15 | 1999-12-23 | Nippon Zeon Co., Ltd. | Resin modifier, resin composition containing the same, and polyaromatic vinyl resin composition |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57170909A (en) * | 1981-04-15 | 1982-10-21 | Ube Ind Ltd | Polybutadiene and its preparation |
| JPS5951903A (en) * | 1982-09-20 | 1984-03-26 | Ube Ind Ltd | Production of polybutadiene |
| JPS5964609A (en) * | 1982-10-05 | 1984-04-12 | Ube Ind Ltd | Production of reinforced polybutadiene |
| JPS59117512A (en) * | 1982-12-24 | 1984-07-06 | Japan Synthetic Rubber Co Ltd | Preparation of high cis 1,4-polybutadiene |
| JPS59164313A (en) * | 1983-03-08 | 1984-09-17 | Ube Ind Ltd | Production of reinforced polybutadiene rubber |
| JPS60104112A (en) * | 1983-11-11 | 1985-06-08 | Asahi Chem Ind Co Ltd | Impact-resistant polystyrene resin and its production |
-
1986
- 1986-10-08 JP JP61239678A patent/JPH0737491B2/en not_active Expired - Lifetime
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57170909A (en) * | 1981-04-15 | 1982-10-21 | Ube Ind Ltd | Polybutadiene and its preparation |
| JPS5951903A (en) * | 1982-09-20 | 1984-03-26 | Ube Ind Ltd | Production of polybutadiene |
| JPS5964609A (en) * | 1982-10-05 | 1984-04-12 | Ube Ind Ltd | Production of reinforced polybutadiene |
| JPS59117512A (en) * | 1982-12-24 | 1984-07-06 | Japan Synthetic Rubber Co Ltd | Preparation of high cis 1,4-polybutadiene |
| JPS59164313A (en) * | 1983-03-08 | 1984-09-17 | Ube Ind Ltd | Production of reinforced polybutadiene rubber |
| JPS60104112A (en) * | 1983-11-11 | 1985-06-08 | Asahi Chem Ind Co Ltd | Impact-resistant polystyrene resin and its production |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0245508A (en) * | 1988-08-05 | 1990-02-15 | Ube Ind Ltd | Polybutadiene and impact-resistant polystyrenic resin composition using said polybutadiene |
| WO1999029747A1 (en) * | 1997-12-08 | 1999-06-17 | Japan As Represented By Director General Of The Agency Of Industrial Science And Technology | Butadiene polymer, process for the preparation of conjugated diene polymers, and catalyst |
| WO1999065955A1 (en) * | 1998-06-15 | 1999-12-23 | Nippon Zeon Co., Ltd. | Resin modifier, resin composition containing the same, and polyaromatic vinyl resin composition |
| US6448336B1 (en) | 1998-06-15 | 2002-09-10 | Zeon Corp. | Resin modifier, resin composition containing the same, and polyaromatic vinyl resin composition |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0737491B2 (en) | 1995-04-26 |
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