JP2006289074A - ゴルフボール用ゴム架橋成形物及びその製造方法 - Google Patents
ゴルフボール用ゴム架橋成形物及びその製造方法 Download PDFInfo
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- JP2006289074A JP2006289074A JP2006078001A JP2006078001A JP2006289074A JP 2006289074 A JP2006289074 A JP 2006289074A JP 2006078001 A JP2006078001 A JP 2006078001A JP 2006078001 A JP2006078001 A JP 2006078001A JP 2006289074 A JP2006289074 A JP 2006289074A
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- rubber
- cross
- chemical
- golf ball
- linked molded
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- 229920003048 styrene butadiene rubber Polymers 0.000 description 1
- 150000003464 sulfur compounds Chemical class 0.000 description 1
- MVQLEZWPIWKLBY-UHFFFAOYSA-N tert-butyl 2-benzoylbenzenecarboperoxoate Chemical compound CC(C)(C)OOC(=O)C1=CC=CC=C1C(=O)C1=CC=CC=C1 MVQLEZWPIWKLBY-UHFFFAOYSA-N 0.000 description 1
- NMOALOSNPWTWRH-UHFFFAOYSA-N tert-butyl 7,7-dimethyloctaneperoxoate Chemical compound CC(C)(C)CCCCCC(=O)OOC(C)(C)C NMOALOSNPWTWRH-UHFFFAOYSA-N 0.000 description 1
- SWAXTRYEYUTSAP-UHFFFAOYSA-N tert-butyl ethaneperoxoate Chemical compound CC(=O)OOC(C)(C)C SWAXTRYEYUTSAP-UHFFFAOYSA-N 0.000 description 1
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- XTXFUQOLBKQKJU-UHFFFAOYSA-N tert-butylperoxy(trimethyl)silane Chemical compound CC(C)(C)OO[Si](C)(C)C XTXFUQOLBKQKJU-UHFFFAOYSA-N 0.000 description 1
- CIHOLLKRGTVIJN-UHFFFAOYSA-N tert‐butyl hydroperoxide Chemical compound CC(C)(C)OO CIHOLLKRGTVIJN-UHFFFAOYSA-N 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 150000003751 zinc Chemical class 0.000 description 1
- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical compound [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 description 1
- XKMZOFXGLBYJLS-UHFFFAOYSA-L zinc;prop-2-enoate Chemical compound [Zn+2].[O-]C(=O)C=C.[O-]C(=O)C=C XKMZOFXGLBYJLS-UHFFFAOYSA-L 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B45/00—Apparatus or methods for manufacturing balls
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/09—Carboxylic acids; Metal salts thereof; Anhydrides thereof
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B37/00—Solid balls; Rigid hollow balls; Marbles
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B37/00—Solid balls; Rigid hollow balls; Marbles
- A63B37/0003—Golf balls
- A63B37/005—Cores
- A63B37/006—Physical properties
- A63B37/0062—Hardness
- A63B37/0063—Hardness gradient
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/14—Peroxides
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B37/00—Solid balls; Rigid hollow balls; Marbles
- A63B37/0003—Golf balls
- A63B37/005—Cores
- A63B37/006—Physical properties
- A63B37/0065—Deflection or compression
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B37/00—Solid balls; Rigid hollow balls; Marbles
- A63B37/0003—Golf balls
- A63B37/007—Characteristics of the ball as a whole
- A63B37/0072—Characteristics of the ball as a whole with a specified number of layers
- A63B37/0073—Solid, i.e. formed of a single piece
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B37/00—Solid balls; Rigid hollow balls; Marbles
- A63B37/0003—Golf balls
- A63B37/007—Characteristics of the ball as a whole
- A63B37/0072—Characteristics of the ball as a whole with a specified number of layers
- A63B37/0075—Three piece balls, i.e. cover, intermediate layer and core
Abstract
【効果】本発明によれば、コア表面硬度を十分に上昇させることが可能となり、ゴルフボールの設計の自由度を高めることができる利点がある。
【選択図】なし
Description
(i)基材ゴム、共架橋剤及び架橋剤を含有したゴム組成物を球状に架橋又は半架橋成形したゴルフボール用ゴム架橋成形物において、上記架橋成形物にゴム用配合薬品を含浸させて化学反応を起こさせてなり、上記ゴム用配合薬品の含浸後における架橋成形物が含浸前における架橋成形物よりも表面硬度を高めたことを特徴とするゴルフボール用ゴム架橋成形物、及び、
(ii)基材ゴム、共架橋剤、架橋剤からなるゴム組成物を架橋成形する工程と、上記工程により得られた1層又は2層以上の球状の架橋成形物に対してゴム用配合薬品を含浸させる工程と、上記ゴム用配合薬品を含浸させた架橋成形物を100℃以上で加熱する工程とを具備することを特徴とするゴルフボール用ゴム架橋成形物の製造方法
を提供する。
なお、本発明では、ゴム配合用薬品の含浸前と含浸・化学反応後の硬度に着目したものであるが、それ以外のゴム架橋成形物の物性も変化していることが推察し得る。
下記表1のコア配合に基づくゴム組成物を混練し、各々の実施例及び比較例につき160℃で15分間の条件により加硫成形して実施例1〜3及び比較例1〜3の球状の架橋成形物を作成した。そして、実施例1〜3については、下記表1に示したゴム用配合薬品を架橋成形物に含浸させて硬度分布を変化させた。この薬品含浸成形物の断面硬度を計測した結果を下記表2に示す。
・cis−1,4−ポリブタジエン:BR730(Nd系触媒,ML1+4100℃「55」)JSR社製
・cis−1,4−ポリブタジエン:BR01(Ni系触媒,ML1+4100℃「43」)JSR社製
・アクリル酸亜鉛:日本蒸溜工業株式会社製
・酸化亜鉛:堺化学社製
・ステアリン酸亜鉛:日本油脂株式会社製
・2,2’−メチレンビス(4−メチル−6−t−ブチルフェノール):大内新興化学社製
・有機過酸化物1:ジクミルパーオキサイド「パークミルD」:日本油脂株式会社製
・有機過酸化物2:1,1−ビス(t−ブチルパーオキシ)3,3,5−トリメチル
シクロヘキサC−40:日本油脂株式会社製
・含浸液として用いた実施例2,3の過酸化物はジ−t−ヘキシルパーオキサイド(日本油脂株式会社製「パーヘキシルD」)であり、実施例1のアクリル酸は株式会社日本触媒製である。
・コア硬度は、980N(100kg)荷重負荷時のたわみ量(mm)である。
・JIS−C硬度は、JIS K6301−1993に準じて各実施例の硬度を測定した。
・表面の硬度は、コア表面の2点をランダムに測定した値の平均値である。
・コア断面硬度は、コアを半分に切断し、表2に記載されているように、中心から3〜17mm離れた位置の硬度を測定した。表中の数字は、中心からの距離が等しく異なる2点の平均値を示す(測定点は断面の中心を通る2本の直交する直線上にある。)。
Claims (7)
- 基材ゴム、共架橋剤及び架橋剤を含有したゴム組成物を球状に架橋成形したゴルフボール用ゴム架橋成形物において、上記架橋成形物にゴム用配合薬品を含浸させ化学反応を起こさせてなり、上記ゴム用配合薬品の含浸後における架橋成形物が含浸前における架橋成形物よりもその表面硬度を高めたことを特徴とするゴルフボール用ゴム架橋成形物。
- 上記ゴム用配合薬品が重合性モノマーである請求項1記載のゴルフボール用ゴム架橋成形物。
- 上記ゴム用配合薬品が不飽和カルボン酸、不飽和カルボン酸の金属塩、不飽和カルボン酸のエステルから選ばれる1種以上である請求項2記載のゴルフボール用ゴム架橋成形物。
- 上記ゴム用配合薬品が架橋剤である請求項1記載のゴルフボール用ゴム架橋成形物。
- 上記架橋剤が有機過酸化物である請求項4記載のゴルフボール用ゴム架橋成形物。
- 上記架橋成形物がワンピースゴルフボール又はカバーで直接若しくは中間層を介して被覆した多層構造ソリッドゴルフボールのソリッドコアである請求項1〜5のいずれか1項記載のゴルフボール用ゴム架橋成形物。
- 基材ゴム、共架橋剤、架橋剤からなるゴム組成物を架橋成形する工程と、上記工程により得られた1層又は2層以上の球状の架橋成形物に対してゴム用配合薬品を含浸させる工程と、上記ゴム用配合薬品を含浸させた架橋成形物を100℃以上で加熱する工程とを具備することを特徴とするゴルフボール用ゴム架橋成形物の製造方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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US11/101,549 US7381776B2 (en) | 2005-04-08 | 2005-04-08 | Crosslinked rubber moldings for golf balls and method of manufacture |
US11/101,549 | 2005-04-08 |
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JP2006289074A true JP2006289074A (ja) | 2006-10-26 |
JP4952887B2 JP4952887B2 (ja) | 2012-06-13 |
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US (2) | US7381776B2 (ja) |
JP (1) | JP4952887B2 (ja) |
KR (1) | KR101322964B1 (ja) |
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US8956252B2 (en) | 2010-07-08 | 2015-02-17 | Sri Sports Limited | Golf ball |
CN102371051A (zh) * | 2010-07-12 | 2012-03-14 | 住胶体育用品株式会社 | 高尔夫球 |
CN102371051B (zh) * | 2010-07-12 | 2014-11-12 | 住胶体育用品株式会社 | 高尔夫球 |
JP2012080923A (ja) * | 2010-10-07 | 2012-04-26 | Sri Sports Ltd | ゴルフボール |
CN102485294A (zh) * | 2010-12-03 | 2012-06-06 | 住胶体育用品株式会社 | 高尔夫球 |
JP2012139406A (ja) * | 2010-12-29 | 2012-07-26 | Dunlop Sports Co Ltd | ゴルフボール |
US9364721B2 (en) | 2012-05-01 | 2016-06-14 | Bridgestone Sports Co., Ltd. | Golf ball |
US9873024B2 (en) | 2012-05-01 | 2018-01-23 | Bridgestone Sports Co., Ltd. | Golf ball |
Also Published As
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US20060293429A1 (en) | 2006-12-28 |
KR20060107384A (ko) | 2006-10-13 |
US7906575B2 (en) | 2011-03-15 |
US7381776B2 (en) | 2008-06-03 |
KR101322964B1 (ko) | 2013-10-29 |
US20060229414A1 (en) | 2006-10-12 |
JP4952887B2 (ja) | 2012-06-13 |
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