JP2020528942A - ポリオレフィン主鎖とポリオルガノシロキサンペンダント基とを有する、グラフトコポリマーを調製するための方法 - Google Patents
ポリオレフィン主鎖とポリオルガノシロキサンペンダント基とを有する、グラフトコポリマーを調製するための方法 Download PDFInfo
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- 125000004205 trifluoroethyl group Chemical group [H]C([H])(*)C(F)(F)F 0.000 description 1
- 125000002023 trifluoromethyl group Chemical group FC(F)(F)* 0.000 description 1
- 125000005023 xylyl group Chemical group 0.000 description 1
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Abstract
【選択図】なし
Description
本出願は、米国特許法第119条(e)に基づき、2017年7月25日に出願された米国特許仮出願第62/536635号の利益を主張するものである。米国特許仮出願第62/536635号は参照により本明細書に組み込まれる。
1)
A)1分子当たり、少なくとも1つのケイ素結合反応性置換基を有するシラングラフト化ポリオレフィン、
B)1分子当たり、少なくとも1つのケイ素結合反応性置換基を有するポリオルガノシロキサン、
C)出発原料A)の反応性置換基と出発原料B)反応性置換基とを反応させるための触媒、及び
D)溶媒、
を含む、出発原料を組み合わせる工程と、
所望により、2)工程1)の後に残留反応性置換基を封止する工程と、所望により、3)工程1)、又は存在する場合には工程2)によって調製された反応生成物からグラフトコポリマーを回収する工程と、
を含む、方法によって調製される。この方法は、工程1)の前にメタロセン触媒反応によってシラン部分をポリオレフィン上にグラフト化する工程、を含む、方法によって、A)1分子当たり、少なくとも1つのケイ素結合反応性置換基を有するシラングラフト化ポリオレフィンを形成する工程、を所望により更に含んでもよく、及び/又は、この方法は、工程1)の前にヒドロシリル化触媒反応によって少なくとも1つの脂肪族不飽和炭化水素基を有する炭素原子が2〜18個のアルコキシシランと、SiH官能性ポリオルガノシロキサンと、を反応させる工程、を含む、方法によって、B)1分子当たり、少なくとも1つのケイ素結合反応性置換基を有するポリオルガノシロキサンを形成する工程、を所望により更に含んでもよい。
Rは上記で定義したとおりである。あるいは、ポリオルガノシロキサンが2つ以上のケイ素結合OR基を有する場合、封止剤は、式;R3SiOR[式中、Rは、上記で定義したとおりである]を有してもよい。
本明細書に記載のグラフトコポリマーによると、例えば、オレフィンからの、半結晶性、耐溶媒性、強靭性(例えば、歪み硬化)、溶融加工性/強度、及び/又は低コストの付加;シロキサンによる、環境及び熱安定性、透過性、柔らかいタッチ、極性の官能性、及び/又は低温能力の付加という、複数の効果をもたらすことができる。本明細書に記載のグラフトコポリマーを調製するための方法は、成分の量を各々独立して変化させながら、ポリオレフィン及びポリオルガノシロキサン成分の両方の長さを一定に保つことが可能という(ポリオルガノシロキサン主鎖とポリオレフィンペンダント基とを有する、グラフトコポリマーより有利な)利点を有することができる。理論に束縛されるものではないが、これにより、様々な用途におけるグラフトコポリマーの機械的特性及び得られた性能のより良好な制御が可能になると考えられる。更に、複数の接続点(ABAポリマー構造における2つとは対照的)を有するグラフトコポリマー又は櫛型コポリマーによってもまた、より良好な荷重分布、向上した機械的強度をもたらすことができる。理論に束縛されるものではないが、接続点(すなわち、ポリオレフィン主鎖に結合するシロキサンペンダント基)は、機械的強化部位のように機能すると考えられる。半結晶性硬質ブロックが主鎖を構成し、シロキサン軟質ブロックがペンダントであるグラフトコポリマーも、層状形態に容易にパッキングすることができ、これによりバリア特性及び光学用途が対象となる。
発明の概要及び要約書は、参照により本明細書に組み込まれる。全ての量、比及び百分率は、特に指示しない限り、重量に基づく。冠詞「a」、「an」、及び「the」は、それぞれ明細書の文脈によって特に指示されない限り、1つ以上を指す。範囲の開示は、その範囲自体及び範囲内に包含される任意のもの、並びに端点を含む。例えば、2.0〜4.0の範囲の開示は、2.0〜4.0の範囲だけでなく、2.1、2.3、3.4、3.5、及び4.0も個別に含み、並びに範囲内に包含される任意の他の数も含む。更に、例えば、2.0〜4.0の範囲の開示は、例えば、2.1〜3.5、2.3〜3.4、2.6〜3.7、及び3.8〜4.0の部分集合、並びにその範囲内に包含される任意の他の部分集合も含む。同様に、マーカッシュ群の開示は、その群全体を含み、そこに包含される任意の個別の要素及び部分集合も含む。例えば、マーカッシュ群「水素原子、アルキル基、アルケニル基、及びアリール基」の開示は、その要素である個々のアルキル、部分集合であるアルキル及びアリール、並びに任意の他の個々の要素及びその中に包含される部分集合を包含する。
Claims (24)
- コポリマーを調製するための方法であって:
1)
A)式:
B)式:
C)ルイス酸触媒;及び
D)溶媒;
を含む、出発原料を組み合わせる工程と、これにより、グラフトコポリマーを含む、反応生成物を調製する工程と、
を含む、方法。 - コポリマーを調製するための方法であって:
1)
A)式:
B)式:
C)ルイス酸触媒;及び
D)溶媒;
を含む、出発原料を組み合わせる工程、
を含む、方法。 - コポリマーを調製する方法であって:
1)
A)式:
B)式:
C)ルイス酸触媒;及び
D)溶媒;
を含む、出発原料を組み合わせる工程、
を含む、方法。 - R25の前記二価有機基が、式:−(CR2)p−O−(CR2)q−[式中、下付き文字p≧1、下付き文字q≧1、及び数量(p+q)=2〜50である]の二価酸素化炭化水素基である、請求項6に記載の方法。
- C)前記ルイス酸触媒が、(C5F4)(C6F5)2B;(C5F4)3B;(C6F5)BF2;BF(C6F5)2;B(C6F5)3;BCl2(C6F5);BCl(C6F5)2;B(C6H5)(C6F5)2;B(C6H5)2(C6F5);[C6H4(mCF3)]3B;[C6H4(pOCF3)]3B;(C6F5)B(OH)2;(C6F5)2BOH;(C6F5)2BH;(C6F5)BH2;(C7H11)B(C6F5)2;(C8H14)B(C6F5);(C6F5)2B(OC2H5);又は(C6F5)2B−CH2CH2Si(CH3)から選択される、請求項1〜7のいずれか一項に記載の方法。
- C)が、トリス(ペンタフルオロフェニル)ボランである、請求項8に記載の方法。
- コポリマーを調製する方法であって:
1)
A)式:
B)式:
(C)ヒドロシリル化反応触媒;及び
D)溶媒;
を含む、出発原料を組み合わせる工程、
を含む、方法。 - 下付き文字oが、10〜500である、請求項10に記載の方法。
- 下付き文字mが、1〜10であり、0.01mol%<m/(m+n)<10mol%である、請求項1〜7及び請求項10〜12のいずれか一項に記載の方法。
- 下付き文字n及びmが、前記コポリマーを1,000〜500,000の数平均分子量とするのに十分な値を有する、請求項1〜7及び請求項10〜12のいずれか一項に記載の方法。
- Rが、各々独立して、アルキル基、アルケニル基、又はアリール基から選択される、請求項1〜7及び請求項10〜12のいずれか一項に記載の方法。
- R15が、各々、水素原子である、請求項1〜7及び請求項10〜12のいずれか一項に記載の方法。
- 前記シラングラフト化ポリオレフィン及び前記コポリマーが、末端封鎖基を各末端に更に含む、請求項1〜7及び請求項10〜12のいずれか一項に記載の方法。
- 前記末端封鎖基が、飽和一価炭化水素基、及び1つ以上の二重結合を有する不飽和一価炭化水素基から選択される、請求項17に記載の方法。
- 工程1)の前にメタロセン触媒反応によってシラン部分をポリオレフィン上にグラフト化する工程、を含む、方法によって、A)前記シラングラフト化ポリオレフィンを形成する工程、を更に含む、請求項1〜7及び請求項10〜12のいずれか一項に記載の方法。
- 前記グラフトコポリマーが工程1)の後に残留反応性置換基を有し、前記方法が、前記残留反応性置換基を封止する工程、を更に含む、請求項1〜7及び請求項10〜12のいずれか一項に記載の方法。
- 前記グラフトコポリマーを前記反応生成物から回収する工程、を更に含む、請求項1〜7及び請求項10〜12のいずれか一項に記載の方法。
- 前記コポリマーを熱可塑性エラストマーとして使用する工程、を更に含む、請求項1〜7及び請求項10〜12のいずれか一項に記載の方法。
- 前記コポリマーを、ポリオレフィンとポリオルガノシロキサンとを含む組成物中の相溶化剤として使用する工程、を更に含む、請求項1〜7及び請求項10〜12のいずれか一項に記載の方法。
- 示差走査熱量測定によって測定したときに、出発原料A)の結晶化温度よりも少なくとも20℃低い結晶化温度を有する、請求項1〜7及び請求項10〜12のいずれか一項に記載の方法によって調製された、コポリマー。
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CN110933947A (zh) | 2020-03-27 |
EP3665210A1 (en) | 2020-06-17 |
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