CN101879369A - Golf with urethane spherical shell layer - Google Patents

Golf with urethane spherical shell layer Download PDF

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Publication number
CN101879369A
CN101879369A CN2009101380577A CN200910138057A CN101879369A CN 101879369 A CN101879369 A CN 101879369A CN 2009101380577 A CN2009101380577 A CN 2009101380577A CN 200910138057 A CN200910138057 A CN 200910138057A CN 101879369 A CN101879369 A CN 101879369A
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Prior art keywords
layer
spherical shell
shell layer
golf
ball center
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CN2009101380577A
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Chinese (zh)
Inventor
黄家声
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Foremost Golf Manufacturing Ltd
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Foremost Golf Manufacturing Ltd
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Priority to CN2009101380577A priority Critical patent/CN101879369A/en
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Abstract

The invention provides golf with a urethane spherical shell layer, comprising a spherical center layer, a middle layer and a spherical shell layer, wherein the middle layer coats the spherical center layer, and the spherical shell layer coats the spherical center layer and contains a main material, namely urethane. Therefore, the golf has thinner spherical shell layer, good hand feeling for hitting, long flying distance and good controllability.

Description

Golf with urethane spherical shell layer
Technical field
The present invention is about a kind of golf with urethane spherical shell layer, the golf that particularly a kind of match, exercise or amusement are used.
Background technology
Taiwan patent announcement numbers 366294 discloses a kind of " manufacture method of golf ", comprise: first step be with 85 restrain 115 the gram plastic raw materials be a unit, add the white cured oil of 15ml to 35ml, and be benchmark with the plastic raw materials weight of a unit, add 2 to 4.5% blowing agent, 1 to 3% white powder and 0.12 to 0.28% stearic acid, it is uniformly mixed into is expanded material; Second step be with expanded material with the foam-in-mould method of forming, utilize the spheroid mould to be directly formed to the single-layer type spheroid.
This Taiwan patent announcement numbers 366294 discloses a kind of " manufacture method of golf " in addition, comprise: first step be with 85 restrain 115 the gram plastic raw materials be a unit, add the white cured oil of 15ml to 35ml, and be benchmark with the plastic raw materials weight of a unit, add 2 to 4.5% blowing agent, 1 to 3% white powder and 0.12 to 0.28% stearic acid, it is uniformly mixed into is expanded material; Second step is the centre of sphere that expanded material is shaped to certain size with the foam-in-mould method of forming; Third step is to contain the ionomer resin (IONOMER RESIN) that 40 to 55% zinc ions and 40 to 55% sodium ions and 5 to 10% lithium ions are formed, and adds 1 to 3% toner, makes to be uniformly mixed into to be resin material; The 4th step is the centre of sphere that second step is finished, and inserts in the vertical molding machine mould, and the resin material that third step is mixed is coated on centre of sphere appearance with jet forming method becomes spherical shell, makes the spheroid that becomes two-layer equation.
Moreover, Taiwan patent announcement number 390819 open " a kind of golf ", it includes ball center layer, soft layer, hard layer and protective layer, and wherein: ball center layer is made of materials such as zinc acrylate resin (ZDA), Zinc Oxide, tungsten powder and an amount of crosslinking agents; Soft layer is to be made of thermoplastic (TPE); Hard layer is to add titanium valve by thermoplastic to be constituted; Protective layer is made of ionomer resin (SURLYN).
Just, known golf single-layer type spheroid comprises plastic raw materials, and the hardness height of ball, but the batting feel is poor causes uncomfortable when hitting, and it is very inappropriate being used in the senior outdoor activity of this class of golf.In addition; known golf multiple field spheroid; comprise resin material in order to the spherical shell layer (or protective layer) that coats ball center layer (or ball center layer, soft layer and hard layer), the adaptation of resin material and plastic raw materials is poor, makes square stance be easy to generate the decortication phenomenon.
Therefore, the inventor thinks that above-mentioned shortcoming can improve, so concentrate on studies especially and cooperate the utilization of scientific principle, proposes a kind of reasonable in design and effectively improve the present invention of above-mentioned shortcoming finally.
Summary of the invention
The objective of the invention is to provide a kind of golf with urethane spherical shell layer, make golf have thin spherical shell layer, the flying distance controllability far away and ball that has good batting feel, ball simultaneously is good.
In order to reach above-mentioned purpose, the invention provides a kind of golf with urethane spherical shell layer, comprising: ball center layer; The intermediate layer, this intermediate layer coats this ball center layer; And spherical shell layer, this spherical shell layer coats this intermediate layer, and this spherical shell layer comprises carbamate (urethane) major ingredient.
The present invention also provides a kind of golf with urethane spherical shell layer, comprising: ball center layer; The intermediate layer, this intermediate layer coats this ball center layer; Outer middle layer, this outer middle layer coats this intermediate layer; And spherical shell layer, this spherical shell layer coats this outer middle layer, and this spherical shell layer comprises carbamate (urethane) major ingredient.
The present invention provides a kind of golf with urethane spherical shell layer again, comprising: ball center layer; Ball center layer in interior ball center layer, this ball center layer coat and be somebody's turn to do; The intermediate layer, this intermediate layer coats this ball center layer; And spherical shell layer, this spherical shell layer coats this intermediate layer, and this spherical shell layer comprises carbamate (urethane) major ingredient.
The present invention provides a kind of golf with urethane spherical shell layer again, comprising: ball center layer; Ball center layer in interior ball center layer, this ball center layer coat and be somebody's turn to do; The intermediate layer, this intermediate layer coats this ball center layer; Outer middle layer, this outer middle layer coats this intermediate layer; And spherical shell layer, this spherical shell layer coats this outer middle layer, and this spherical shell layer comprises carbamate (urethane) major ingredient.
The present invention has following useful effect:
1, spherical shell layer has the carbamate major ingredient, makes spherical shell layer under thin thickness, still has excellent character, and the ball center layer thickness that thin spherical shell layer thickness can be arranged in pairs or groups thicker makes that the flying distance of golf after batting is farther.
2, the material character of carbamate major ingredient makes spherical shell layer have high tenacity and high flexibility, and high temperature curing agent and filler make spherical shell layer have high rigidity and great friction coefficient, can take into account the flying distance of batting feel and ball.
3, spherical shell layer has great friction coefficient, and the rotation rotating speed height of batting back ball makes that the heading stability of ball is high, and the controllability of ball is good.
4, high temperature curing agent and filler can be strengthened the adaptation in spherical shell layer and intermediate layer, avoid the decortication phenomenon of square stance.
5, hardening at subcritical temerature agent and filler make the carbamate major ingredient harden rapidly, and ball center layer and intermediate layer can accurate positionings, need not to locate by thimble.
For enabling further to understand feature of the present invention and technology contents, see also following about detailed description of the present invention and accompanying drawing, yet appended graphic only provide with reference to and the explanation usefulness, be not to be used for the present invention is limited.
Description of drawings
Fig. 1 is the stereogram of the three-layer type spheroid of the golf of the present invention with urethane spherical shell layer.
Fig. 2 is the profile of the three-layer type spheroid of the golf of the present invention with urethane spherical shell layer.
Fig. 2 A is the local amplification of the A part office of Fig. 2.
Fig. 3 A and Fig. 3 B are the casting of spherical shell layer of the present invention and the schematic diagram of injection molding method.
Fig. 4 is the profile of four laminar spheroids of the golf of the present invention with urethane spherical shell layer.
Fig. 5 is the profile of another four laminars spheroid of the golf of the present invention with urethane spherical shell layer.
Fig. 6 is the profile of five laminar spheroids of the golf of the present invention with urethane spherical shell layer.
The primary clustering symbol description
Ball center layer 1
The centre of sphere 11
Interior ball center layer 1A
Intermediate layer 2
Outer middle layer 2A
Spherical shell layer 3
Alumina powder 31 elastic spheres 32
Counterdie 4
Patrix 5
The specific embodiment
See also Fig. 1 and Fig. 2, the invention provides a kind of golf, comprise ball center layer 1, intermediate layer 2 and spherical shell layer 3 with urethane spherical shell layer.
Ball center layer 1 comprises butadiene rubber (butadiene rubber) and ball center layer additive, and the percentage by weight of butadiene rubber is between 55%~65%, and the percentage by weight of ball center layer additive is between 35%~45%.The ball center layer additive comprises zinc acrylate resin (ZDA), Zinc Oxide, tungsten powder, crosslinking agent, stearic acid and white carbon (white carbon), and butadiene rubber forms ball center layer 1 in the extrusion molding mode after mixing the ball center layer additive.
Intermediate layer 2 coats ball center layer 1, and intermediate layer 2 comprises thermoplastic and intermediate layer additive, and the percentage by weight of thermoplastic is between 55%~65%, and the percentage by weight of intermediate layer additive is between 35%~45%.Just, the intermediate layer is a known technology, is not given unnecessary details.
Spherical shell layer 3 coats intermediate layer 2, and spherical shell layer 3 comprises carbamate (urethane) major ingredient, hardening at subcritical temerature agent, high temperature curing agent and filler.The carbamate major ingredient comprises polyurethane (Polyurethane), polyureas (Polyurea) and polyurethane-polyurea (Polyurethane-polyurea).The polymerisation functional group equivalent percentage of polyurethane is between 50%~95%, and the polymerisation functional group equivalent percentage of polyureas is less than 35%, and the polymerisation functional group equivalent percentage of polyurethane-polyurea is less than 35%.Polyurethane can provide soft and excellent resilience function, but the toughness undercapacity; Polyureas is then to improve hardness, toughness and elasticity than high crosslink density; Polyurethane-polyurea makes additive disperse and the forming operation regulative mechanism.Moreover the hardening at subcritical temerature agent is amino compound or alcohol compound, and the high temperature curing agent has at least three reactive hydrogens and at least one non-carbon atom, and non-carbon atom is oxygen, nitrogen or sulphur atom.Filler is alumina powder, quartz powder or other metal oxide.
The material character of carbamate major ingredient makes spherical shell layer 3 have high tenacity and high flexibility, makes that the batting feel is good.Hardening at subcritical temerature agent and high temperature curing agent have different reaction temperatures respectively, the reaction temperature of high temperature curing agent is higher than 30 degrees centigrade of the reaction temperatures of hardening at subcritical temerature agent, different reaction temperatures makes when spherical shell layer 3 is formed at ball center layer 1 with 2 outsides, intermediate layer, the centre of sphere 11 need not to locate (seeing also Fig. 3 A) by thimble, the hardening at subcritical temerature agent hardens to rapidly can be with the centre of sphere 11 accurate positionings, make the centre of sphere 11 and the mould heart be concentric circles, and then the reaction temperature of the paramount warm hardening agent of temperature increase and carry out cross-linking polymerization, make spherical shell layer 3 be formed at 2 outsides, intermediate layer.Different reaction temperatures also makes intermediate layer 2 surface tension extremely low, increases the adaptation between intermediate layer 2 and the spherical shell layer 3, avoids the decortication phenomenon of square stance.Moreover hardening at subcritical temerature agent and high temperature curing agent and ball center layer additive white carbon and filler alumina powder all have the surface of good compatibility, make golf have good batting feel.
See also Fig. 2 A, alumina powder 31 (or quartz powder) can be adjusted the polymer hardness and the polymer elasticity of carbamate major ingredient, and the adsorbable high temperature curing agent of alumina powder, through forming a plurality of elastic spheres 32 (the polarity curing agent of silica absorption be distributed in around) after the polymerisation and being dispersed in spherical shell layer 3, the points hardness's upper zone that is produced by elastic sphere 32 also is dispersed in spherical shell layer 3.Therefore, alumina powder 31 with high rigidity makes coefficient of friction improve, and keep the toughness of spherical shell layer 3, spherical shell layer 3 is when same thickness, have high friction coefficient and preferable toughness, the rotation rotating speed of the high more then batting of coefficient of friction back ball is high more, makes that the heading stability of ball is also high more, preferable toughness makes that the batting feel is good, can take into account the controllability of batting feel and ball simultaneously.
The performance that table 1 has the golf of urethane spherical shell layer and traditional golf for the present invention is that rod or No. 9 irons all have high rotational speed no matter the present invention has the golf of urethane spherical shell layer relatively, makes that the controllability of ball is preferable.Moreover golf of the present invention has high hardness and preferable toughness, still keeps good batting feel.
[table 1]
Figure B2009101380577D0000051
During manufacturing, at first use mixer that butadiene rubber and ball center layer additive are uniformly mixed to form centre of sphere shaping material, the centre of sphere is shaped material injection centre of sphere forming machine with shaping ball center layer 1, and intermediate layer 2 is formed in ball center layer 1 outside.Moreover, with carbamate major ingredient and the reaction temperature that is heated to the hardening at subcritical temerature agent after filler mixes, add hardening at subcritical temerature agent and high temperature curing agent, evenly stir the back and form the spherical shell material that is shaped, and inject counterdie 4 (seeing also Fig. 3 A).Ball center layer 1 and intermediate layer 2 are fixed in counterdie 4, make the centre of sphere 1
1 is concentric circles with the mould heart, and patrix 5 is placed on counterdie 4 tops (see also 3B figure).In addition, spherical shell shaping material is injected patrix 5, casting and injection molding method form spherical shell layer 3 thus, and then spherical shell layer 3 is shaken milled processed and prints trade mark, make that golf is the three-layer type spheroid.The present invention, ball center layer 1 external diameter is between 1.35~1.58 inches, and intermediate layer 2 external diameters are between 1.56~1.61 inches, and spherical shell layer 3 external diameters are between 1.67~1.69 inches.
In sum, spherical shell layer 3 has the carbamate major ingredient, makes spherical shell layer 3 under thin thickness, still has excellent character (as high tenacity, high flexibility and high contact friction force).Therefore, thin spherical shell layer 3 thickness thicker ball center layer 1 thickness of can arranging in pairs or groups, and thicker ball center layer 1 thickness will make that the flying distance of golf after batting is farther, promote the performance of golf.
Ball center layer 1 of the present invention and intermediate layer 2 have different variation designs, see also Fig. 4 to Fig. 6, can form outer middle layer 2A (as Fig. 4) between intermediate layer 2 and the spherical shell layer 3, outer middle layer 2A comprises thermoplastic or ionomer resin (IONOMER RESIN), in order to promote the performance of golf, make that golf is four laminar spheroids.In addition, also can in ball center layer 1 is inner form in ball center layer 1A (as Fig. 5), interior ball center layer 1A comprises butadiene rubber (butadiene rubber) and ball center layer additive, the performance in order to lifting golf makes that golf is four laminar spheroids.Moreover ball center layer 1A and outer middle layer 2A (as Fig. 6) make that golf is five laminar spheroids in also can forming simultaneously.
In sum, the present invention has following characteristic:
1, spherical shell layer 3 has the carbamate major ingredient, makes spherical shell layer 3 under thin thickness, still has excellent character, and thin spherical shell layer 3 thickness thicker ball center layer 1 thickness of can arranging in pairs or groups makes that the flying distance of golf after batting is farther.
2, filler can increase the colloid hardness of hardening at subcritical temerature agent after polymerisation is finished, and makes the carbamate major ingredient harden rapidly, and ball center layer 1 and intermediate layer 2 can accurate positionings, need not to locate by thimble.
3, alumina powder 31 (or quartz powder) can increase the coefficient of friction of spherical shell layer 3, increases the rotating speed after batting, and makes that the heading of ball is stable, increases the controllability of ball.
4, alumina powder 31 (or quartz powder) has the characteristic that forms coordinate bond with oxygen, nitrogen or the sulphur atom of high temperature curing agent.This characteristic is strengthened the compartmentalization of cross-linking reaction, forms preferable friction surface.
5, high temperature curing agent localization congregational rate, and silica and alundum (Al surface are fully moistening, can strengthen the adaptation in spherical shell layer 3 and intermediate layer 2, avoid the decortication phenomenon of square stance.
6, the material character of carbamate major ingredient makes spherical shell layer 3 have high tenacity and high flexibility, high temperature curing agent and filler make spherical shell layer 3 have high rigidity and great friction coefficient, and it is good that the flying distance that can take into account good batting feel, ball far reaches the controllability of ball.
Just; the above only is preferred embodiment of the present invention, non-ly is intended to limit to scope of patent protection of the present invention, so the equivalence that every utilization specification of the present invention and accompanying drawing content are done changes; all in like manner all be contained in the scope of the present invention, stated at this.

Claims (13)

1. the golf with urethane spherical shell layer is characterized in that, comprising:
Ball center layer;
The intermediate layer, this intermediate layer coats this ball center layer; And
Spherical shell layer, this spherical shell layer coats this intermediate layer, and this spherical shell layer comprises the carbamate major ingredient.
2. the golf with urethane spherical shell layer as claimed in claim 1 is characterized in that, this carbamate major ingredient comprises polyurethane, polyureas and polyurethane-polyurea.
3. the golf with urethane spherical shell layer as claimed in claim 2, it is characterized in that, the polymerisation functional group equivalent percentage of this polyurethane is between 50%~95%, the polymerisation functional group equivalent percentage of this polyureas is less than 35%, and the polymerisation functional group equivalent percentage of this polyurethane-polyurea is less than 35%.
4. the golf with urethane spherical shell layer as claimed in claim 1, it is characterized in that, this spherical shell layer further comprises hardening at subcritical temerature agent, high temperature curing agent and filler, this hardening at subcritical temerature agent is amino compound or alcohol compound, this high temperature curing agent has at least three reactive hydrogens and at least one non-carbon atom, this non-carbon atom is oxygen, nitrogen or sulphur atom, and this filler is alumina powder or quartz powder.
5. the golf with urethane spherical shell layer is characterized in that, comprising:
Ball center layer;
The intermediate layer, this intermediate layer coats this ball center layer;
Outer middle layer, this outer middle layer coats this intermediate layer; And
Spherical shell layer, this spherical shell layer coats this outer middle layer, and this spherical shell layer comprises the carbamate major ingredient.
6. the golf with urethane spherical shell layer as claimed in claim 5, it is characterized in that, this carbamate major ingredient comprises polyurethane, polyureas and polyurethane-polyurea, the polymerisation functional group equivalent percentage of this polyurethane is between 50%~95%, the polymerisation functional group equivalent percentage of this polyureas is less than 35%, and the polymerisation functional group equivalent percentage of this polyurethane-polyurea is less than 35%.
7. the golf with urethane spherical shell layer as claimed in claim 5, it is characterized in that, this spherical shell layer further comprises hardening at subcritical temerature agent, high temperature curing agent and filler, this hardening at subcritical temerature agent is amino compound or alcohol compound, this high temperature curing agent has at least three reactive hydrogens and at least one non-carbon atom, this non-carbon atom is oxygen, nitrogen or sulphur atom, and this filler is alumina powder or quartz powder.
8. the golf with urethane spherical shell layer is characterized in that, comprising:
Ball center layer;
Ball center layer in interior ball center layer, this ball center layer coat and be somebody's turn to do;
The intermediate layer, this intermediate layer coats this ball center layer; And
Spherical shell layer, this spherical shell layer coats this intermediate layer, and this spherical shell layer comprises the carbamate major ingredient.
9. the golf with urethane spherical shell layer as claimed in claim 8, it is characterized in that, this carbamate major ingredient comprises polyurethane, polyureas and polyurethane-polyurea, the polymerisation functional group equivalent percentage of this polyurethane is between 50%~95%, the polymerisation functional group equivalent percentage of this polyureas is less than 35%, and the polymerisation functional group equivalent percentage of this polyurethane-polyurea is less than 35%.
10. the golf with urethane spherical shell layer as claimed in claim 8, it is characterized in that, this spherical shell layer further comprises hardening at subcritical temerature agent, high temperature curing agent and filler, this hardening at subcritical temerature agent is amino compound or alcohol compound, this high temperature curing agent has at least three reactive hydrogens and at least one non-carbon atom, this non-carbon atom is oxygen, nitrogen or sulphur atom, and this filler is alumina powder or quartz powder.
11. the golf with urethane spherical shell layer is characterized in that, comprising:
Ball center layer;
Ball center layer in interior ball center layer, this ball center layer coat and be somebody's turn to do;
The intermediate layer, this intermediate layer coats this ball center layer;
Outer middle layer, this outer middle layer coats this intermediate layer; And
Spherical shell layer, this spherical shell layer coats this outer middle layer, and this spherical shell layer comprises the carbamate major ingredient.
12. the golf with urethane spherical shell layer as claimed in claim 11, it is characterized in that, this carbamate major ingredient comprises polyurethane, polyureas and polyurethane-polyurea, the polymerisation functional group equivalent percentage of this polyurethane is between 50%~95%, the polymerisation functional group equivalent percentage of this polyureas is less than 35%, and the polymerisation functional group equivalent percentage of this polyurethane-polyurea is less than 35%.
13. the golf with urethane spherical shell layer as claimed in claim 11, it is characterized in that, this spherical shell layer further comprises hardening at subcritical temerature agent, high temperature curing agent and filler, this hardening at subcritical temerature agent is amino compound or alcohol compound, this high temperature curing agent has at least three reactive hydrogens and at least one non-carbon atom, this non-carbon atom is oxygen, nitrogen or sulphur atom, and this filler is alumina powder or quartz powder.
CN2009101380577A 2009-05-06 2009-05-06 Golf with urethane spherical shell layer Pending CN101879369A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102989132A (en) * 2011-09-08 2013-03-27 邓禄普体育用品株式会社 Golf ball
CN103372285A (en) * 2012-04-25 2013-10-30 邓禄普体育用品株式会社 Golf ball

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102989132A (en) * 2011-09-08 2013-03-27 邓禄普体育用品株式会社 Golf ball
CN102989132B (en) * 2011-09-08 2015-06-10 邓禄普体育用品株式会社 Golf ball
CN103372285A (en) * 2012-04-25 2013-10-30 邓禄普体育用品株式会社 Golf ball
CN103372285B (en) * 2012-04-25 2016-04-20 邓禄普体育用品株式会社 Golf

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Application publication date: 20101110