JPS6315832A - Ionomer resin composition - Google Patents
Ionomer resin compositionInfo
- Publication number
- JPS6315832A JPS6315832A JP61161283A JP16128386A JPS6315832A JP S6315832 A JPS6315832 A JP S6315832A JP 61161283 A JP61161283 A JP 61161283A JP 16128386 A JP16128386 A JP 16128386A JP S6315832 A JPS6315832 A JP S6315832A
- Authority
- JP
- Japan
- Prior art keywords
- ionomer resin
- molded product
- molding
- radiation
- item
- 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
- 229920000554 ionomer Polymers 0.000 title claims abstract description 28
- 239000011342 resin composition Substances 0.000 title description 2
- 229920005989 resin Polymers 0.000 claims abstract description 25
- 239000011347 resin Substances 0.000 claims abstract description 25
- 230000005855 radiation Effects 0.000 claims abstract description 14
- 239000005022 packaging material Substances 0.000 claims description 2
- 230000001678 irradiating effect Effects 0.000 abstract description 4
- 239000002904 solvent Substances 0.000 abstract description 4
- GUTLYIVDDKVIGB-OUBTZVSYSA-N Cobalt-60 Chemical compound [60Co] GUTLYIVDDKVIGB-OUBTZVSYSA-N 0.000 abstract description 3
- 150000002148 esters Chemical class 0.000 abstract description 2
- 229910052751 metal Inorganic materials 0.000 abstract description 2
- 239000002184 metal Substances 0.000 abstract description 2
- 150000005673 monoalkenes Chemical class 0.000 abstract description 2
- 229910052700 potassium Inorganic materials 0.000 abstract description 2
- 238000000465 moulding Methods 0.000 abstract 5
- 229920001577 copolymer Polymers 0.000 abstract 1
- 238000005336 cracking Methods 0.000 abstract 1
- 230000003472 neutralizing effect Effects 0.000 abstract 1
- 238000004132 cross linking Methods 0.000 description 6
- 238000005259 measurement Methods 0.000 description 6
- 230000005251 gamma ray Effects 0.000 description 5
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- -1 polyethylene Polymers 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- 229920003182 Surlyn® Polymers 0.000 description 2
- 150000007513 acids Chemical class 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010894 electron beam technology Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- RSWGJHLUYNHPMX-UHFFFAOYSA-N 1,4a-dimethyl-7-propan-2-yl-2,3,4,4b,5,6,10,10a-octahydrophenanthrene-1-carboxylic acid Chemical compound C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 description 1
- VZSRBBMJRBPUNF-UHFFFAOYSA-N 2-(2,3-dihydro-1H-inden-2-ylamino)-N-[3-oxo-3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propyl]pyrimidine-5-carboxamide Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)C(=O)NCCC(N1CC2=C(CC1)NN=N2)=O VZSRBBMJRBPUNF-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 235000011511 Diospyros Nutrition 0.000 description 1
- 244000055850 Diospyros virginiana Species 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- DYAHQFWOVKZOOW-UHFFFAOYSA-N Sarin Chemical compound CC(C)OP(C)(F)=O DYAHQFWOVKZOOW-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000003446 memory effect Effects 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 238000009864 tensile test Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
Landscapes
- Treatments Of Macromolecular Shaped Articles (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明はアイオノマー樹脂成型物、例えば包装材、打球
具、糸等に関オろ。DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to ionomer resin molded products, such as packaging materials, ball hitting tools, threads, etc.
（従来の技術）
放射線、例えば電子線およびγ線を照射することにより
、プラスチックス（例えばポリエチレンやポリ塩化ビニ
ルあるいはゴム等）の性質を改質・改善することか一般
的に行なわれている。例えば、ポリエチレンに放射線、
特に電子線を照射すると、放射線架橋反応が起こり、高
温での性質を著１．＜改善させることができる他、耐薬
品性の向−１−や全く別の効果として形状の記憶効果な
との機能が付与されることか知られている。(Prior Art) It is common practice to modify and improve the properties of plastics (eg, polyethylene, polyvinyl chloride, rubber, etc.) by irradiating them with radiation, such as electron beams and gamma rays. For example, radiation to polyethylene,
In particular, when irradiated with an electron beam, a radiation crosslinking reaction occurs and the properties at high temperatures are significantly reduced. In addition to improving chemical resistance, it is also known that functions such as shape memory effects can be imparted as completely different effects.
ところが、この放射線によるポリマー物質の改質・改善
はアイオノマー樹脂の改質には未ｋＩＩＩＬＩられてい
ない。However, this modification and improvement of polymer materials by radiation has not yet been applied to the modification of ionomer resins.
（発明の内容）
本発明台らはアイオノマー樹脂に放射線を照射すること
により、アイオノマー樹脂製品に特に優れた効果が付与
できろことを見出１刃二。(Contents of the Invention) The inventors of the present invention have discovered that particularly excellent effects can be imparted to ionomer resin products by irradiating the ionomer resin with radiation.
すなイー）１本発明（Ｊ放射線照射を行ったアイオノマ
ー樹脂成型物を提供セろ。(1) The present invention (Provides an ionomer resin molded product subjected to J radiation irradiation.
アイオノマー樹脂はイオン架橋結合を持１）だポリマ一
群を色味し、強靭性および弾性が優れているので種々の
製品のカバー材壓−１、補強Ｈ等に［Ｖ目）られている
。本発明のアイオノマー樹脂と１．て（」これら種々の
アイオノマー樹脂の如何なるｔＪのをｆｆｌ Ｌ １で
も、Ｊ−い。好適なアイオノマー樹脂はモノオレフィン
と炭素数３〜８の不飽和モノまた（ｊジカルホン酸わよ
ひこれらのニスアルからなる訂から選択される少なくと
し１種との重合体（不飽和モノ１ｋ（」ンカルホン酸お
、１−び／またはごれらのエステル４〜３０重に％含有
）を種々の金属、例えばすトすＩ″７ム、カリウム、リ
ヂウノ２、銅、マクネンウノ２、カルシラノ３、ニッケ
ル、亜鉛、アルミニウノ３、鉄等によ１）中和した熱可
塑性樹脂を菖゛う。Ionomer resins have ionic cross-linking bonds, give a color to the polymer group 1), and have excellent toughness and elasticity, so they are used as cover materials, reinforcement materials, etc. of various products. The ionomer resin of the present invention and 1. Suitable ionomer resins include monoolefins, unsaturated monomers having 3 to 8 carbon atoms, dicarphonic acids, and dicarfonic acids. A polymer (containing 4 to 30% by weight of an unsaturated monocarphonic acid and/or ester) with at least one selected from the group consisting of various metals, e.g. 1) Add a thermoplastic resin neutralized with Sutosu I''7, potassium, Lidium 2, copper, Makunen Uno 2, Calcilano 3, nickel, zinc, Aluminum Uno 3, iron, etc.
このようなアイオノマー樹脂の例として（Ｊ１デコボン
月から市販されている種々のサーリン、例えばザーリン
Ｉ ６０ Ｉ 、ザーリン１６０５、ザーリン１７０７
、ザーリン１７０６等が挙げられろ。Examples of such ionomer resins include the various Surlyn commercially available from J1 Decobon, such as Zalyn I 60 I, Zalyn 1605, Zalyn 1707
, Zarin 1706, etc.
本発明の放射線架橋に用いろ放射線として（」通常電ｒ
−線およびコバルト６０なとによろγ線等か挙げられろ
。The radiation used in the radiation crosslinking of the present invention (normally
- rays, cobalt-60, and gamma rays.
放射線照射方法はｊＦＩ’ ４ＦＧの如（【Ｉ工なる方
法用いてらよく、例えばアイオノマー樹脂酸］；す品に
通す：す）装置により照射４′ろ３゜
放射線を枚射１刀こアイオノマー樹脂酸ぺ′１物（」ア
イオノマー樹脂か本来ｆｉ’ ｌ、ているイオノ結合に
３１−ろ架橋の他に、放射線架橋反応か起こりさらにア
イオノマー樹脂の性能を改善４′ろ５゜１＋ｋ ’Ｃ’
！、物の例と１７で（」、包装＋Ａ、−／イルノ・ノー
ト、Ｌｐ枝月目；−ル（例えばゴルフポール）、球技１
１１Ｈ球員（例えばゴルフクラブ）、糸（スポーツ用具
用ストリングス）宿か好適である。勿論ごイ１らの他に
発泡さＵた発泡成型品て乙Ｊ−＜、その場合通常の発泡
体より高い強にＪ）Ｉ’ｌが得られろ。The radiation irradiation method is as follows: 1 sheet of ionomer resin acid is irradiated with a 3° filter using a device such as FI' 4FG. In addition to the 31-ro crosslinking of the iono bonds that are naturally present in ionomer resins, radiation crosslinking reactions also occur, further improving the performance of ionomer resins.
! , Examples of objects and 17 ('', Packaging + A, -/Ilno Note, Lp Branch Month; - Le (e.g. golf pole), Ball Game 1
11H baseball players (for example, golf clubs) and strings (strings for sports equipment) are suitable. Of course, in addition to the above, it is also possible to use foamed molded products, in which case a higher strength than normal foams can be obtained.
（発明の効果）
本発明のアイオノマー樹脂成フ（１１品（」低温、例え
ばマイナス１（）℃以下の温度で高い耐衝撃性、強度、
耐溶剤クラック性等が得られろ３、この、１−うな低ｌ
ｋｋでの高い耐久性により、それぞれの目的に応しアイ
オノマー樹脂成型品の性能を改挽する。(Effects of the Invention) The ionomer resin composition of the present invention (11 products) has high impact resistance, strength, and
Solvent crack resistance etc. can be obtained 3, this 1-Una-low l
The high durability of KK improves the performance of ionomer resin molded products to suit each purpose.
（実施例） 本発明を実施例によりさらに詳細に説明する。(Example) The present invention will be explained in more detail with reference to Examples.
実施例１−
４Ｊシンブル法３０ｍｍｘ Ｉ ０ｕａｘ ０．８ｍｍ
のアイオノマー樹脂押出成型物（デ、ボン社のザーリン
］ ７ （１６使用）にコバルト６０によるγ線照射を
行った。得られた照射サンプルを６０℃のトルエン中に
１時間浸／Ｒ（７、浸漬直後の体積膨潤率を測定した。Example 1 - 4J thimble method 30mm x I 0uax 0.8mm
An ionomer resin extrusion molded product (Zarlin 7 (16, manufactured by De Bonn)) was irradiated with gamma rays using cobalt 60.The obtained irradiated sample was immersed in toluene at 60°C for 1 hour/R (7, The volumetric swelling rate was measured immediately after immersion.
結果を以ドの表−１に示１゜
表−１
表−１から明らかなようにγ線照射により架橋密度か−
１−かり、体積変化率が減少する。The results are shown in Table-1 below.1゜Table-1 As is clear from Table-1, the crosslinking density was determined by γ-ray irradiation.
1-, the volume change rate decreases.
−４＝
実施例？一
実施例１と同しサンプルを用いて線膨張係数を測定１．
た。線膨張係数は島ｔＴｔ ｌｉ’、！住所社製サーマ
ル・アナライザーＤＴ３０を用いて昇温速度２°Ｃ／分
で測定した。結果を表−２に示す。−4= Example? Measurement of linear expansion coefficient using the same sample as in Example 1 1.
Ta. The coefficient of linear expansion is island tTt li',! The temperature was measured using a thermal analyzer DT30 manufactured by Jidosha Co., Ltd. at a heating rate of 2°C/min. The results are shown in Table-2.
表−２
（Ｘ ｌ Ｏ−４／℃）
−１−記表−２により明らかなようにγ線照射により線
膨張係数が小さくなった。Table 2 (X l O-4/°C) -1 As is clear from Table 2, the coefficient of linear expansion was reduced by γ-ray irradiation.
害塵例失
実施例１と同じサンプルを用いて、熱膨張率をと
測定した。熱膨張率は実施例２１同じ装置および条件で
測定した。結果は膨張率（％）を縦軸にとり温度をｌｌ
１ｆｉ軸にとった。グラフとして第１図に示す。Using the same sample as in Example 1, the coefficient of thermal expansion was measured. The coefficient of thermal expansion was measured using the same equipment and conditions as in Example 21. The result is the expansion coefficient (%) on the vertical axis and the temperature as ll.
I took it on the 1fi axis. It is shown in FIG. 1 as a graph.
γ線照射した乙のは高温で軟化しなかったが、照射しな
かったらのは高温で軟化した。γ線照射と
により耐熱性が向１−ずろノとが理解できろ。The one that was irradiated with gamma rays did not soften at high temperatures, but the one that was not irradiated did soften at high temperatures. Do you understand that heat resistance improves by γ-ray irradiation?
実施例４
実施例１と同じザンプルを用いて熱測定を行っノコ。パ
ーギン・エルマー社製示差走査熱量計Ｄ９０１Ｂ型を用
イテ）ｉ’ ｌ！ｌｃ＋ 温度２０°Ｃ／分で３０°Ｃ
〜２００℃まで行った。測定結果を第２図に示す。Example 4 Thermal measurements were performed using the same sample as in Example 1. Use a differential scanning calorimeter D901B manufactured by Pergin-Elmer Co.) i' l! lc+ temperature 30°C at 20°C/min
-200°C. The measurement results are shown in Figure 2.
吸熱ピークけγ線照射なしは５８℃であり、１０Ｍｒａ
ｄ照射は６０℃、２０Ｍｒａｄ照射は６４℃であ っ
ノこ。Endothermic peak without γ-ray irradiation is 58°C, 10Mra
The temperature was 60°C for d irradiation and 64°C for 20 Mrad irradiation.
Noko.
実１屯例５
実施例１で用いたザンプルについて引っ張り試験を行っ
た。使用した試験機は株式会社インテスコから市販のタ
イプ２５０を用いた。引っ張り速度は５００ｙｔｔｍ／
分であり測定温度は５０℃、２０℃、−３０℃であった
。結果は以下の通りであった。Actual Example 5 A tensile test was conducted on the sample used in Example 1. The testing machine used was Type 250 commercially available from Intesco Corporation. Pulling speed is 500yttm/
The measurement temperatures were 50°C, 20°C, and -30°C. The results were as follows.
表−３ γ線照射により破断応力値が増加した。Table-3 The fracture stress value increased with γ-ray irradiation.
実施例−０−
アイオノマー樹脂（三片ポリケミカル社からハイミラン
１６０１として市販）のシートを作成し、コンプレッシ
ョンモールディング法でハーフシェルを作成した。ツー
ピースボール内核コアにこのハーフシェルを被せて、ス
モールザイズのゴルフボール金型内で約１５０℃で２５
分間成型した。Example-0- A sheet of ionomer resin (commercially available as Himilan 1601 from Mikata Polychemical Co., Ltd.) was prepared, and a half shell was formed using a compression molding method. Cover the inner core of the two-piece ball with this half shell, and heat it at approximately 150℃ for 25 minutes in a small-sized golf ball mold.
Mold for minutes.
カバーの厚みは２ 、５ ｍｍであった。このボールを
γ線照射し、低温耐衝撃性を調べた。The thickness of the cover was 2.5 mm. This ball was irradiated with gamma rays to examine its low-temperature impact resistance.
結果を以下の表−４に示す。The results are shown in Table 4 below.
表−４
５ｘ／秒の速度で衝突板に５回打撃し、これをワンサイ
クルとした。再度所定の温度まで冷却し、さらに５回打
撃しこれを８回繰り返した。Table 4 The collision plate was struck five times at a speed of 5x/sec, which was defined as one cycle. It was cooled again to a predetermined temperature, and struck an additional 5 times, which was repeated 8 times.
γ線照射したゴルフボールのカバーの低温耐久性は顕著
に向上した。The low-temperature durability of the golf ball cover irradiated with gamma rays was significantly improved.
害肩１
アイオノマー樹脂（デュポン社製サーリン）でゴルック
ラブインザートを射出成型し、これをγ線照射した後、
パーシモンヘッドに装着した。これを−１０°Ｃ，−２
０°Ｃ，−３０℃のメタノール中に浸漬しておき、ゴル
フボール実射により耐溶剤クラック性および低温での対
衝撃性を試験した。Harmful Shoulder 1 After injection molding the Goruk Rub Insert with ionomer resin (Surlyn manufactured by DuPont) and irradiating it with gamma rays,
Attached to Persimmon head. This is -10°C, -2
It was immersed in methanol at 0°C and -30°C, and tested for solvent crack resistance and low-temperature impact resistance by shooting golf balls.
（注）（Ａ）〜（Ｔ））共ヘッドスピードは約４５屑／
８％使用ボールはＬサイズ２−ピースゴルフホール。(Note) The head speed for both (A) to (T) is approximately 45 chips/
8% of the balls used are L size 2-piece golf holes.
以」二のようにγ線照射したゴルフクラブインザートの
耐溶剤クラック性および低温での対衝撃性は顕著に向上
した。As described above, the solvent crack resistance and low-temperature impact resistance of golf club inserts irradiated with gamma rays were significantly improved.
第１図は実施例ノの熱膨張率（縦軸）と温度（横軸）の
関係を示すグラフである。
第２図（」実施例４で測定１２に熱測定の結果を示す図
である。FIG. 1 is a graph showing the relationship between the coefficient of thermal expansion (vertical axis) and temperature (horizontal axis) for Examples. FIG. 2 is a diagram showing the results of heat measurement in measurement 12 in Example 4.
Claims (1)
オノマー樹脂成型物。 ３、成型物が包装材である第１項または第２項記載のア
イオノマー樹脂成型物。 ４、成型物がフィルムシートである第１項または第２項
記載のアイオノマー樹脂成型物。 ５、成型物が球技用ボールである第１項または第２項記
載のアイオノマー樹脂成型物。 ６、成型物が球技用打球具である第１項または第２項記
載のアイオノマー樹脂成型物。 ７、成型物が糸である第１項または第２項記載のアイオ
ノマー樹脂成型物。 ８、糸がスポーツ用具用ストリングスである第７項記載
のアイオノマー樹脂成型物。[Claims] 1. Ionomer resin molded product subjected to radiation irradiation. 2. The ionomer resin molded product according to item 1, wherein the radiation dose is 1 Mrad or more. 3. The ionomer resin molded product according to item 1 or 2, wherein the molded product is a packaging material. 4. The ionomer resin molded product according to item 1 or 2, wherein the molded product is a film sheet. 5. The ionomer resin molded product according to item 1 or 2, wherein the molded product is a ball for a ball game. 6. The ionomer resin molded product according to item 1 or 2, wherein the molded product is a ball hitting tool for a ball game. 7. The ionomer resin molded product according to item 1 or 2, wherein the molded product is a thread. 8. The ionomer resin molded product according to item 7, wherein the thread is a string for sports equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61161283A JPH085980B2 (en) | 1986-07-08 | 1986-07-08 | Golf equipment parts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61161283A JPH085980B2 (en) | 1986-07-08 | 1986-07-08 | Golf equipment parts |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6315832A true JPS6315832A (en) | 1988-01-22 |
| JPH085980B2 JPH085980B2 (en) | 1996-01-24 |
Family
ID=15732160
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61161283A Expired - Lifetime JPH085980B2 (en) | 1986-07-08 | 1986-07-08 | Golf equipment parts |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH085980B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2309971A (en) * | 1996-02-06 | 1997-08-13 | Lisco Inc | Method of improving scuff and cut resistance of ionomer covered game ball |
| US6228940B1 (en) * | 1996-02-06 | 2001-05-08 | Spalding Sports Worldwide, Inc. | Method of improving scuff and cut resistance of ionomer covered game ball |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5361667A (en) * | 1976-11-16 | 1978-06-02 | Sekisui Chemical Co Ltd | Production of heat shrinkable film |
| JPS5375278A (en) * | 1976-12-17 | 1978-07-04 | Asahi Dow Ltd | Production of heat shrinkable film |
-
1986
- 1986-07-08 JP JP61161283A patent/JPH085980B2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5361667A (en) * | 1976-11-16 | 1978-06-02 | Sekisui Chemical Co Ltd | Production of heat shrinkable film |
| JPS5375278A (en) * | 1976-12-17 | 1978-07-04 | Asahi Dow Ltd | Production of heat shrinkable film |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2309971A (en) * | 1996-02-06 | 1997-08-13 | Lisco Inc | Method of improving scuff and cut resistance of ionomer covered game ball |
| GB2309971B (en) * | 1996-02-06 | 1999-06-09 | Lisco Inc | Method of improving scuff and cut resistance of ionomer covered game ball |
| US6228940B1 (en) * | 1996-02-06 | 2001-05-08 | Spalding Sports Worldwide, Inc. | Method of improving scuff and cut resistance of ionomer covered game ball |
| US6274679B1 (en) * | 1996-02-06 | 2001-08-14 | Spalding Sports Worldwide, Inc. | Method of improving scuff and cut resistance of ionomer covered game ball |
| US6566415B2 (en) * | 1996-02-06 | 2003-05-20 | Spalding Sports Worldwide, Inc. | Method of improving scuff and cut resistance of ionomer covered game ball |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH085980B2 (en) | 1996-01-24 |
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