JP6851900B2 - 表面改質方法、超音波伝達部材および表面改質装置 - Google Patents
表面改質方法、超音波伝達部材および表面改質装置 Download PDFInfo
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- JP6851900B2 JP6851900B2 JP2017100090A JP2017100090A JP6851900B2 JP 6851900 B2 JP6851900 B2 JP 6851900B2 JP 2017100090 A JP2017100090 A JP 2017100090A JP 2017100090 A JP2017100090 A JP 2017100090A JP 6851900 B2 JP6851900 B2 JP 6851900B2
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- PCILLCXFKWDRMK-UHFFFAOYSA-N naphthalene-1,4-diol Chemical compound C1=CC=C2C(O)=CC=C(O)C2=C1 PCILLCXFKWDRMK-UHFFFAOYSA-N 0.000 description 1
- KQSABULTKYLFEV-UHFFFAOYSA-N naphthalene-1,5-diamine Chemical compound C1=CC=C2C(N)=CC=CC2=C1N KQSABULTKYLFEV-UHFFFAOYSA-N 0.000 description 1
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- FZZQNEVOYIYFPF-UHFFFAOYSA-N naphthalene-1,6-diol Chemical compound OC1=CC=CC2=CC(O)=CC=C21 FZZQNEVOYIYFPF-UHFFFAOYSA-N 0.000 description 1
- MNZMMCVIXORAQL-UHFFFAOYSA-N naphthalene-2,6-diol Chemical compound C1=C(O)C=CC2=CC(O)=CC=C21 MNZMMCVIXORAQL-UHFFFAOYSA-N 0.000 description 1
- WPUMVKJOWWJPRK-UHFFFAOYSA-N naphthalene-2,7-dicarboxylic acid Chemical compound C1=CC(C(O)=O)=CC2=CC(C(=O)O)=CC=C21 WPUMVKJOWWJPRK-UHFFFAOYSA-N 0.000 description 1
- DFQICHCWIIJABH-UHFFFAOYSA-N naphthalene-2,7-diol Chemical compound C1=CC(O)=CC2=CC(O)=CC=C21 DFQICHCWIIJABH-UHFFFAOYSA-N 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
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- 239000010452 phosphate Substances 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
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- 230000000704 physical effect Effects 0.000 description 1
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- 229910052882 wollastonite Inorganic materials 0.000 description 1
Images
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
Description
2)4−ヒドロキシ安息香酸/テレフタル酸/4,4’−ジヒドロキシビフェニル共重合体
3)4−ヒドロキシ安息香酸/テレフタル酸/イソフタル酸/4,4’−ジヒドロキシビフェニル共重合体
4)4−ヒドロキシ安息香酸/テレフタル酸/イソフタル酸/4,4’−ジヒドロキシビフェニル/ハイドロキノン共重合体
5)4−ヒドロキシ安息香酸/テレフタル酸/ハイドロキノン共重合体
6)6−ヒドロキシ−2−ナフトエ酸/テレフタル酸/ハイドロキノン共重合体
7)4−ヒドロキシ安息香酸/6−ヒドロキシ−2−ナフトエ酸/テレフタル酸/4,4’−ジヒドロキシビフェニル共重合体
8)6−ヒドロキシ−2−ナフトエ酸/テレフタル酸/4,4’−ジヒドロキシビフェニル共重合体
9)4−ヒドロキシ安息香酸/6−ヒドロキシ−2−ナフトエ酸/テレフタル酸/ハイドロキノン共重合体
10)4−ヒドロキシ安息香酸/6−ヒドロキシ−2−ナフトエ酸/テレフタル酸/ハイドロキノン/4,4’−ジヒドロキシビフェニル共重合体
11)4−ヒドロキシ安息香酸/2,6−ナフタレンジカルボン酸/4,4’−ジヒドロキシビフェニル共重合体
12)4−ヒドロキシ安息香酸/テレフタル酸/2,6−ナフタレンジカルボン酸/ハイドロキノン共重合体
13)4−ヒドロキシ安息香酸/2,6−ナフタレンジカルボン酸/ハイドロキノン共重合体
14)4−ヒドロキシ安息香酸/6−ヒドロキシ−2−ナフトエ酸/2,6−ナフタレンジカルボン酸/ハイドロキノン共重合体
15)4−ヒドロキシ安息香酸/テレフタル酸/2,6−ナフタレンジカルボン酸/ハイドロキノン/4,4’−ジヒドロキシビフェニル共重合体
16)4−ヒドロキシ安息香酸/テレフタル酸/4−アミノフェノール共重合体
17)6−ヒドロキシ−2−ナフトエ酸/テレフタル酸/4−アミノフェノール共重合体
18)4−ヒドロキシ安息香酸/6−ヒドロキシ−2−ナフトエ酸/テレフタル酸/4−アミノフェノール共重合体
19)4−ヒドロキシ安息香酸/テレフタル酸/4,4’−ジヒドロキシビフェニル/4−アミノフェノール共重合体
20)4−ヒドロキシ安息香酸/テレフタル酸/エチレングリコール共重合体
21)4−ヒドロキシ安息香酸/テレフタル酸/4,4’−ジヒドロキシビフェニル/エチレングリコール共重合体
22)4−ヒドロキシ安息香酸/6−ヒドロキシ−2−ナフトエ酸/テレフタル酸/エチレングリコール共重合体
23)4−ヒドロキシ安息香酸/6−ヒドロキシ−2−ナフトエ酸/テレフタル酸/4,4’−ジヒドロキシビフェニル/エチレングリコール共重合体
24)4−ヒドロキシ安息香酸/テレフタル酸/2,6−ナフタレンジカルボン酸/4,4’−ジヒドロキシビフェニル共重合体。
本発明に使用する液晶ポリマーは、ペンタフルオロフェノール中で対数粘度を測定することが可能である。本発明に使用する液晶ポリマーは、ペンタフルオロフェノール中、濃度0.1g/dl、温度60℃で測定した場合の対数粘度が0.3dl/g以上であるものが好ましく、0.5〜10dl/gであるものがより好ましく、1〜8dl/gであるものがさらに好ましい。
トルクメーター付き攪拌装置および留出管を備えた反応容器に、4−ヒドロキシ安息香酸 655.3g(73モル%)および6−ヒドロキシ−2−ナフトエ酸 330.3g(27モル%)を仕込み、さらに全モノマーの水酸基量(モル)に対して1.02倍モルの無水酢酸を仕込み、次の条件で脱酢酸重合を行った。
合成例1で得た液晶ポリマーペレットについて、射出成形機を用いて平板サンプル(51mm×51mm×1mmt)およびメッシュ状サンプル(51mm×51mm×1mmt、幅1mmのリブが4mm間隔で直交)をそれぞれ作製した。
被改質材として鋼板(SPCC相当品、50mm×50mm×1mmt)を使用した。
ステンレス製容器の下面にシリコーン系接着剤を用いて超音波振動子(セラミック発振子、2mmφ×1mmt)を接着し、超音波電源装置(DAGATORONIC CORPORATION製、DAGATRON8202)およびオシロスコープ(Pico Technology Limited社製)を超音波振動子に接続して周波数を調整できるようにした。
超音波伝達部材および超音波の周波数を表1に示すように変更した以外は実施例1と同様にして超音波を付与し、残留応力値(平均値)および標準偏差を算出した。結果を表1に示す。
ステンレス製容器の下面にシリコーン系接着剤を用いて超音波振動子(セラミック発振子、2mmφ×1mmt)を接着し、超音波電源装置(DAGATORONIC CORPORATION製、DAGATRON8202)およびオシロスコープ(Pico Technology Limited社製)を超音波振動子に接続して周波数を調整できるようにした。
超音波伝達部材1および2を表2に示すように変更した以外は実施例4と同様にして超音波を付与し、残留応力値(平均値)および標準偏差を算出した。結果を表2に示す。
本発明の好ましい態様は以下を包含する。
〔1〕被改質材の表面に超音波伝達部材を介して超音波を付与し、被改質材の表面に圧縮残留応力を形成する表面改質方法であって、
超音波伝達部材と被改質材とを接触させた状態で超音波を付与し、かつ超音波伝達部材が液晶ポリマーから構成される表面改質方法。
〔2〕超音波は周波数の異なる2以上の超音波であり、少なくとも1つの超音波を、被改質材と接触した液晶ポリマーから構成される超音波伝達部材を介して被改質材の表面に付与する、〔1〕記載の表面改質方法。
〔3〕被改質材と接触した2以上の超音波伝達部材を介して超音波を被改質材の表面に付与し、少なくとも1つの超音波伝達部材が液晶ポリマーから構成される、〔1〕記載の表面改質方法。
〔4〕被改質材の表面に圧縮残留応力を形成することによって被改質材の表面を改質するための、被改質材に接触して被改質材の表面に超音波を伝達する超音波伝達部材であって、液晶ポリマーから構成される超音波伝達部材。
〔5〕超音波伝達部材はメッシュ状である、〔4〕記載の超音波伝達部材。
〔6〕超音波振動子と、超音波振動子から発生する超音波を被改質材に伝達する超音波伝達部材とを備えた表面改質装置であって、超音波伝達部材は被改質材と接触し、および超音波伝達部材は液晶ポリマーから構成される表面改質装置。
2、2a、2b 超音波振動子
3、3a、3b 超音波電源装置
4、4a、4b 超音波伝達部材
5 超音波振動子の先端部
6 被改質材
7 支持部材
Claims (6)
- 被改質材の表面に超音波伝達部材を介して超音波を付与し、被改質材の表面に圧縮残留応力を形成する表面改質方法であって、
被改質材の材質は金属であり、
超音波伝達部材と被改質材とを接触させた状態で超音波を付与し、かつ超音波伝達部材が液晶ポリマーから構成される表面改質方法。 - 超音波は周波数の異なる2以上の超音波であり、少なくとも1つの超音波を、被改質材と接触した液晶ポリマーから構成される超音波伝達部材を介して被改質材の表面に付与する、請求項1記載の表面改質方法。
- 被改質材と接触した2以上の超音波伝達部材を介して超音波を被改質材の表面に付与し、少なくとも1つの超音波伝達部材が液晶ポリマーから構成される、請求項1または2記載の表面改質方法。
- 被改質材の表面に圧縮残留応力を形成することによって被改質材の表面を改質するための、被改質材に接触して被改質材の表面に超音波を伝達する超音波伝達部材であって、ここで、被改質材の材質は金属であり、液晶ポリマーから構成される超音波伝達部材。
- 超音波伝達部材はメッシュ状である、請求項4記載の超音波伝達部材。
- 超音波振動子と、超音波振動子から発生する超音波を被改質材に伝達する超音波伝達部材とを備えた表面改質装置であって、ここで、被改質材の材質は金属であり、超音波伝達部材は被改質材と接触し、および超音波伝達部材は液晶ポリマーから構成される表面改質装置。
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