 Golf ball cover |
| OF THE INVENTION The cover material of the present invention, and golf balls covered with this ... |
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| Three-piece solid golf ball |
| OF THE INVENTION Hereinafter, the present invention will be explained in detail. Firstly, the ... |
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| Golf ball and method of manufacture |
| OF THE INVENTION The golf balls of the invention are produced using standard choices for the core ... |
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| Golf ball and method of making same |
| Therefore, an object of the present invention is to provide a golf ball featuring smooth mold ... |
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| Multilayer golf ball |
| The present invention is directed towards a multi-layer golf ball which provides a soft feel ... |
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| Golf ball |
| The present invention is directed towards a multi-layer golf ball which provides a softer feel ... |
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| Golf ball |
| OF THE INVENTION This invention is particularly directed towards liquid filled center core shells ... |
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| Multi-layer golf ball and method of manufacturing |
| The present invention relates to a golf ball which consists of a core surrounded by a cover. The ... |
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| Multilayer golf ball and composition |
| OF THE PREFERRED EMBODIMENTS The following terms that are used in this application are defined in ... |
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| Method of making a golf ball with a multi-layer core |
| The present invention is directed to an improved golf ball having a core comprised of a center and ... |
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Particles and a process for preparing the same
| Details |
Inventors: Clikeman, Richard Roy; Wills, Morris Christopher; Dukes, Katerina Elizabeth;
Assignee: Shipley Company, L.L.C. (Marlborough, MA)
Primary Examiner: Sergent; Rabon
Assistant Examiner: Tran; Thao
Attorney, Agent or Firm: Cairns; S. Matthew
Disclosed are a plurality of particles having a narrow particle size distribution, a processes for forming the same, and films containing the same. The plurality of particles, includes one or more discrete polymer shells, wherein at least one of the polymer shells is crosslinked with at least one monomer containing two or more double bonds polymerizable by free radical means; and a core material encased in the polymer shells, wherein the plurality of particles have a polydispersity of from 1.3 to 1.0. |
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DETAILED DESCRIPTION What is claimed is: 1.
A process for forming a plurality of particles, comprising the steps of: (A) providing a first emulsion comprising a core material and one or more monomers in an aqueous phase, wherein at least one of the monomers is a crosslinking monomer containing two or more double bonds capable of free radical polymerization, and a second emulsion comprising seed particles; (B) combining the first emulsion and the second emulsion; (C) forming discrete domains, in the aqueous phase, wherein the domains comprise the core material and the one or more monomers, and (D) polymerizing the one or more monomers by free radical polymerization to form a plurality of particles, each particle comprising a discrete crosslinked polymer shell encasing the core material, wherein the plurality of particles have a polydispersity of from 1.
3 to 1.
0.
2.
The process of claim 1, wherein the core material comprises liquid crystal material.
3.
The process of claim 1, wherein at least one transport agent is added prior to step (C).
4.
The process of claim 1, further comprising forming at least one additional polymer shell on the crosslinked polymer shell encasing the core material.
5.
The process of claim 1, wherein the core material is an operationally nematic liquid crystal.
6.
A process for forming a plurality of particles, comprising the steps of: (A) providing a first emulsion comprising a core material in an aqueous phase and a second emulsion comprising seed particles; (B) combining the first emulsion and the second emulsion; (C) forming discrete domains, in the aqueous phase, wherein the domains comprise the core material and the seed particles; (D) adding one or more monomers to the discrete domains, wherein at least one of the monomers is a crosslinking monomer containing two or more double bonds capable of free radical polymerization; (E) polymerizing the one or more monomers by free radical polymerization to form a plurality of particles, each particle comprising a discrete crosslinked polymer shell encasing the core material, wherein the plurality of particles have a polydispersity of from 1
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