JP6291271B2 - ゴルフボール - Google Patents
ゴルフボール Download PDFInfo
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- JP6291271B2 JP6291271B2 JP2014019448A JP2014019448A JP6291271B2 JP 6291271 B2 JP6291271 B2 JP 6291271B2 JP 2014019448 A JP2014019448 A JP 2014019448A JP 2014019448 A JP2014019448 A JP 2014019448A JP 6291271 B2 JP6291271 B2 JP 6291271B2
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- golf ball
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- rubber
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- 229920000554 ionomer Polymers 0.000 claims description 12
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- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
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- Compositions Of Macromolecular Compounds (AREA)
Description
(a)オレフィン−不飽和カルボン酸2元ランダム共重合体及び/又はオレフィン−不飽和カルボン酸2元ランダム共重合体の金属イオン中和物と、
(b)オレフィン−不飽和カルボン酸−不飽和カルボン酸エステル3元ランダム共重合体及び/又はオレフィン−不飽和カルボン酸−不飽和カルボン酸エステル3元ランダム共重合体の金属イオン中和物と
を重量比で100:0〜0:100になるように配合したベース樹脂と、
(e)このベース樹脂に対して重量比で100:0〜50:50になるように配合した非アイオノマー熱可塑性エラストマーと、
ベース樹脂と(e)成分を含む樹脂成分100重量部に対して、
(c)分子量が228〜1500の脂肪酸及び/又はその誘導体5〜150重量部と、
(d)ベース樹脂及び(c)成分中の未中和の酸基を中和できる塩基性無機金属化合物0.1〜17重量部。
アクリル酸亜鉛は、日本触媒社製のWN86。
過酸化物1は、ジクミルパーオキサイドで、日本油脂製の商品名パークミルD。
過酸化物2は、1,1ジ(t−ブチルパーオキシ)シクロヘキサンとシリカの混合物であって、日本油脂社製の商品名パーヘキサC−40。開始剤として用いた。
老化防止剤は、2,2’−メチレンビス(4−メチル−6−t−ブチルフェノール)で、大内新興化学工業社製の商品名ノクラックNS−6。
酸化亜鉛は、堺化学工業社製の商品名酸化亜鉛3種。
ハイミラン1605は、三井デュポンポリケミカル社製のNaイオン中和エチレン−メタクリル酸共重合体のアイオノマー樹脂。
ハイミラン1706は、三井デュポンポリケミカル社製のZnイオン中和エチレン−メタクリル酸共重合体のアイオノマー樹脂。
ハイミラン1601は、三井デュポンポリケミカル社製のNaイオン中和エチレン−メタクリル酸共重合体のアイオノマー樹脂。
AN4318は、三井デュポンポリケミカル社製のオレフィン−不飽和カルボン酸−不飽和カルボン酸エステル共重合体。
AN4319は、三井デュポンポリケミカル社製のオレフィン−不飽和カルボン酸−不飽和カルボン酸エステル共重合体。
TiO2は、石原産業社製のタイペークR550。
Blueは、ホリディピグメンツ社製の商品名EP−62。
10 コア
20 中間層
30 カバー
32 ディンプル
40 塗装層
Claims (5)
- ゴルフボールであって、
前記ゴルフボールの中心に位置するコアと、
前記コアの外側を包囲し、表面に複数のディンプルを有するカバーと、
前記コアと前記カバーと間に位置し、ゴム弾性を有する材料によって形成されている塗装層であって、前記材料が0.1〜70MPaのヤング率を有するとともに0.45〜0.60のポアソン比を有し、10〜150μmの厚さを有する塗装層と、
前記コアと前記カバーとの間に位置する中間層であって、前記塗装層が前記コアと前記中間層との間か又は前記中間層と前記カバーとの間に位置し、0.5〜10mmの厚さを有する中間層と
を含み、前記カバーがショアD硬度で50〜65の硬度を有し、前記塗装層がJIS−C硬度で10〜70の硬度を有し、前記中間層がショアD硬度で40〜65の硬度を有し、前記カバーの硬度が前記中間層の硬度よりも高く、前記ゴルフボールのμ硬度が3.0〜5.0であるゴルフボール。 - 前記塗装層を形成する材料が、スチレンとブタジエンとのゴム状共重合体を含有するものである請求項1に記載のゴルフボール。
- 前記カバーがショアD硬度で50〜58の硬度を有する請求項1又は2に記載のゴルフボール。
- 前記塗装層の硬度が、前記コアの中心硬度よりも低い請求項1〜3のいずれか一項に記載のゴルフボール。
- 前記カバーが、アイオノマー樹脂を含む請求項1〜4のいずれか一項に記載のゴルフボール。
Applications Claiming Priority (2)
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US13/759,588 US20130217516A1 (en) | 2011-12-16 | 2013-02-05 | Golf ball |
US13/759588 | 2013-02-05 |
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JP2014151199A JP2014151199A (ja) | 2014-08-25 |
JP6291271B2 true JP6291271B2 (ja) | 2018-03-14 |
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JP3803964B2 (ja) * | 2001-01-24 | 2006-08-02 | アクシュネット カンパニー | 多層ゴルフボール |
US7086967B2 (en) * | 2004-01-28 | 2006-08-08 | Bridgestone Sports Co., Ltd. | Golf ball |
JP5703107B2 (ja) * | 2011-04-18 | 2015-04-15 | ダンロップスポーツ株式会社 | ゴルフボール |
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