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1. 发明授权

US08513317B2 Process for producing expanded polyolefin resin particles and expanded polyolefin resin particles 有权
标题翻译：制造发泡聚烯烃树脂颗粒和发泡聚烯烃树脂颗粒的方法
公开(公告)号：US08513317B2
公开(公告)日：2013-08-20
申请号：US12747050
申请日：2008-12-03
申请人： Jun Fukuzawa , Hiroshi Tsuneishi
发明人： Jun Fukuzawa , Hiroshi Tsuneishi
IPC分类号： C08J9/00 , C08J9/18
CPC分类号： B29C44/3461 , C08J9/00 , C08J9/0023 , C08J9/0061 , C08J9/125 , C08J9/18 , C08J9/228 , C08J9/232 , C08J2203/06 , C08J2323/02 , C08J2323/12 , C08J2471/00 , Y10T428/249921 , Y10T428/2982
摘要： Provided is a process for producing expanded polyolefin resin particles whose cells are not made nonuniform or extremely smaller as seen in conventional expanded particles, whose cell diameter and expansion ratio can be easily controlled independently, and which, when subjected to in-mold expansion molding, give in-mold expanded molded products satisfactory in fusibility and excellent in surface properties. The process is a process for producing expanded polyolefin resin particles by: dispersing polyolefin resin particles together with an aqueous dispersion medium into a closed vessel; heating the polyolefin resin particles up to or above a softening temperature of the polyolefin resin particles; and releasing the polyolefin resin particles into a zone whose pressure is lower than an internal pressure of the closed vessel, with use as a foaming agent of water serving as the dispersion medium, the polyolefin resin particles being composed of a polyolefin resin composition including: polyolefin resin; a substance selected from among polyethylene glycol, polyvalent alcohol having a carbon number of not less than 3 to not more than 6, and a water-absorbing substance having no function of forming foaming nuclei; and a foam nucleating agent.
摘要翻译：本发明提供一种制造发泡聚烯烃树脂颗粒的方法，其发泡细胞不均匀或极小，如以往的发泡粒子，其单元直径和膨胀比可以容易地独立地控制，并且当进行模内膨胀成型时，赋予模内发泡成型体，使其熔融性良好，表面性优异。该方法是通过以下方法生产发泡聚烯烃树脂颗粒的方法：将聚烯烃树脂颗粒与水性分散介质一起分散到密闭容器中; 将聚烯烃树脂颗粒加热到聚烯烃树脂颗粒的软化温度以上或更高的程度; 使用作为分散介质的水的发泡剂，将聚烯烃树脂粒子释放到压力低于密闭容器的内部压力的区域中，所述聚烯烃树脂粒子由聚烯烃树脂组合物构成，所述聚烯烃树脂组合物包含：聚烯烃树脂; 选自聚乙二醇，碳数不小于3至多于6的多元醇的物质和不具有形成发泡核的功能的吸水物质; 和泡沫成核剂。

2. 发明授权

US06187977B1 Process for producing chlorinated tertiary carbon-containing hydrocarbons 失效
标题翻译：生产含氯叔碳氢化合物的方法
公开(公告)号：US06187977B1
公开(公告)日：2001-02-13
申请号：US09300406
申请日：1999-04-27
申请人： Takahiro Ohishi , Takeshi Kawamura , Akihisa Hirota , Takuya Maeda , Hiroshi Tsuneishi , Shun Wachi
发明人： Takahiro Ohishi , Takeshi Kawamura , Akihisa Hirota , Takuya Maeda , Hiroshi Tsuneishi , Shun Wachi
IPC分类号： C07C1700
CPC分类号： C07C17/392 , C07B39/00 , C07C17/10 , C07C17/14 , C07C22/04
摘要： The present invention thus provides a process for producing (D) a chlorinated hydrocarbon compound of the general formula (2): CnR1mHk(CR2R3Cl)j (2) [wherein n is an integer of 1 to 12, m and k each independently is an integer of 0 to 25, j is an integer of 1 to 10; R1 represents an atom selected from the group consisting of chlorine, bromine, iodine, oxygen, nitrogen, sulfur and phosphorus and, when m is 2 or more, the two or more R1 groups may be the same or different, the group CnR1mHk having a valence of j does not contain any tertiary carbon-hydrogen bond; and R2 and R3 each independently represents a saturated aliphatic hydrocarbon group containing 1 to 5 carbon atoms or a group derived therefrom by substitution of a halogen atom or atoms for some hydrogen atom or atoms thereof and not containing a tertiary carbon-hydrogen bond],which process comprises adding (C) a protic acid to a mixture of (A) a compound of the general formula: CnR1mHk(CHR2R3)j (1) [wherein m, n, k, j, R1, R2 and R3 are as defined above] and (B) an aqueous solution of a metal hypochlorite.
摘要翻译：因此，本发明提供了（D）通式（2）的氯化烃化合物的制备方法：[其中n为1〜12的整数，m和k各自独立地为0〜25的整数，j为 1〜10的整数; R1表示选自氯，溴，碘，氧，氮，硫和磷的原子，当m为2以上时，两个以上的R 1基可以相同或不同，具有 j的化合价不含任何叔碳 - 氢键; R 2和R 3各自独立地表示含有1〜5个碳原子的饱和脂肪族烃基或者通过卤素原子或原子取代一部分氢原子或不含叔碳氢键而衍生的基团]，其中方法包括向（A）通式为[其中m，n，k，j，R1，R2和R3定义如上]的化合物的混合物中加入（C）质子酸，和（B）水溶液的金属次氯酸盐。

3. 发明申请

US20050038149A1 Graft copolymers and impact-resistant flame-retardant resin compositions containing the same 有权
标题翻译：含有它们的接枝共聚物和耐冲击阻燃树脂组合物
公开(公告)号：US20050038149A1
公开(公告)日：2005-02-17
申请号：US10466130
申请日：2003-02-17
申请人： Tomomichi Hashimoto , Kazunori Saegusa , Hiroshi Tsuneishi , Nobuo Miyatake , Akira Takaki
发明人： Tomomichi Hashimoto , Kazunori Saegusa , Hiroshi Tsuneishi , Nobuo Miyatake , Akira Takaki
IPC分类号： C08F283/12 , C08F285/00 , C08L51/08 , C08L69/00 , C08K5/24 , C08F283/00 , C09K21/00
CPC分类号： C08L51/085 , C08F283/12 , C08F285/00 , C08L69/00 , C08L2201/02 , C08L2666/02 , C08L2666/24
摘要： The present invention provides a polyorganosiloxane-containing graft copolymer which is obtainable by polymerizing 0.5 to 10 parts by weight of a vinyl monomer (B) comprising 100 to 50% by weight of a polyfunctional monomer (b-1) containing two or more polymerizable unsaturated bonds in the presence of 40 to 90 parts of polyorganosiloxane particles, followed by further polymerizing 5 to 50 parts by weight of a vinyl monomer (C); A polyorganosiloxane-containing graft copolymer which is obtainable by polymerizing 0 to 10 parts by weight of a vinyl monomer (B) comprising 100 to 50% by weight of a polyfunctional monomer containing two or more polymerizable unsaturated bonds in the presence of 30 to 95 parts of a polyorganosiloxane in a latex form as obtained by seed polymerization using, as a seed polymer, a hydrophilic polymer capable of swelling in the corresponding organosiloxane, followed by further polymerizing 5 to 70 parts by weight of a vinyl monomer (C); a flame retardant which comprises said copolymer; and a resin composition which comprises said retardant and a thermoplastic resin.
摘要翻译：本发明提供一种含聚有机硅氧烷的接枝共聚物，其通过使0.5〜10重量份的含有100〜50重量％的含有2个以上的可聚合不饱和单体的多官能单体（b-1）的乙烯基单体（B）在40〜90份的聚有机硅氧烷粒子的存在下，进一步聚合5〜50重量份的乙烯基单体（C）; 一种含聚有机硅氧烷的接枝共聚物，其可通过在0〜10重量份的乙烯基单体（B）中聚合而获得，所述乙烯基单体（B）含有100〜50重量％的含有2个以上聚合性不饱和键的多官能单体，的聚有机硅氧烷，其通过使用作为种子聚合物的种子聚合获得的亲水性聚合物，其能够在相应的有机硅氧烷中溶胀，然后进一步聚合5至70重量份的乙烯基单体（C）; 包含所述共聚物的阻燃剂; 以及包含所述阻燃剂和热塑性树脂的树脂组合物。

4. 发明授权

US08598241B2 Polypropylene resin pre-foamed particle and method for producing same, and polypropylene resin in-mold foaming molded article 有权
标题翻译：聚丙烯树脂预发泡颗粒及其制造方法，聚丙烯树脂模内发泡成型品
公开(公告)号：US08598241B2
公开(公告)日：2013-12-03
申请号：US13146333
申请日：2010-01-13
申请人： Toru Yoshida , Hiroshi Tsuneishi
发明人： Toru Yoshida , Hiroshi Tsuneishi
IPC分类号： C08J9/16 , C08J9/18 , C08J9/22 , C08J9/00 , B29C44/44 , C08F210/00 , C08F4/44 , C08F110/00
CPC分类号： C08F10/06 , C08F210/06 , C08J9/20 , C08J9/232 , C08J2203/06 , C08J2203/14 , C08J2323/12 , C08K5/13 , C08K5/34924 , C08L23/142 , C08L2314/06 , C08F210/16 , C08F2500/12 , C08F2500/20 , C08F2500/18 , C08F210/08
摘要： Provided are polypropylene resin pre-foamed particles including, as base resin, polypropylene resin that satisfies the following requirements (a) through (c): (a) in cross fractionation chromatography, an amount of components eluted at a temperature of not more than 40° C. is not more than 2.0% by weight; (b) a melting point is not less than 100° C. but not more than 160° C.; and (c) propylene monomer units are present in an amount of not less than 90 mol % but not more than 100 mol %, and olefin units each having a carbon number of 2 or 4 or more are present in an amount of not less than 0 mol % but not more than 10 mol %. The polypropylene resin pre-foamed particles can be molded by in-mold foaming molding at a not high molding heating steam pressure, and a polypropylene resin in-mold foaming molded product excellent in dimensional stability at high temperatures can be prepared from the polypropylene resin pre-foamed particles.
摘要翻译：提供满足以下要求（a）〜（c）的作为基础树脂的聚丙烯树脂预发泡粒子：（a）在交叉分级色谱法中，在不大于40℃的温度下洗脱的组分的量 ℃不超过2.0重量％; （b）熔点不低于100℃但不超过160℃; 和（c）丙烯单体单元以不小于90摩尔％但不超过100摩尔％的量存在，并且各自具有2或4以上碳原子的烯烃单元的存在量不小于 0摩尔％但不超过10摩尔％。聚丙烯树脂预发泡颗粒可以通过模内发泡成型在不高的模塑加热蒸汽压力下成型，并且可以从聚丙烯树脂预制件制备在高温下尺寸稳定性优异的聚丙烯树脂模内发泡成型产品发泡颗粒。

5. 发明申请

US20110281963A1 POLYPROPYLENE RESIN PRE-FOAMED PARTICLE AND METHOD FOR PRODUCING SAME, AND POLYPROPYLENE RESIN IN-MOLD FOAMING MOLDED ARTICLE 有权
标题翻译：聚丙烯树脂预发泡颗粒及其生产方法和聚丙烯树脂模内泡沫塑料制品
公开(公告)号：US20110281963A1
公开(公告)日：2011-11-17
申请号：US13146333
申请日：2010-01-13
申请人： Toru Yoshida , Hiroshi Tsuneishi
发明人： Toru Yoshida , Hiroshi Tsuneishi
IPC分类号： C08J9/16
CPC分类号： C08F10/06 , C08F210/06 , C08J9/20 , C08J9/232 , C08J2203/06 , C08J2203/14 , C08J2323/12 , C08K5/13 , C08K5/34924 , C08L23/142 , C08L2314/06 , C08F210/16 , C08F2500/12 , C08F2500/20 , C08F2500/18 , C08F210/08
摘要： Provided are polypropylene resin pre-foamed particles including, as base resin, polypropylene resin that satisfies the following requirements (a) through (c): (a) in cross fractionation chromatography, an amount of components eluted at a temperature of not more than 40° C. is not more than 2.0% by weight; (b) a melting point is not less than 100° C. but not more than 160° C.; and (c) propylene monomer units are present in an amount of not less than 90 mol % but not more than 100 mol %, and olefin units each having a carbon number of 2 or 4 or more are present in an amount of not less than 0 mol % but not more than 10 mol %. The polypropylene resin pre-foamed particles can be molded by in-mold foaming molding at a not high molding heating steam pressure, and a polypropylene resin in-mold foaming molded product excellent in dimensional stability at high temperatures can be prepared from the polypropylene resin pre-foamed particles.
摘要翻译：提供满足以下要求（a）〜（c）的作为基础树脂的聚丙烯树脂预发泡粒子：（a）在交叉分级色谱法中，在不大于40℃的温度下洗脱的组分的量 ℃不超过2.0重量％; （b）熔点不低于100℃但不超过160℃; 和（c）丙烯单体单元以不小于90摩尔％但不超过100摩尔％的量存在，并且各自具有2或4以上碳原子的烯烃单元的存在量不小于 0摩尔％但不超过10摩尔％。聚丙烯树脂预发泡颗粒可以通过模内发泡成型在不高的模塑加热蒸汽压力下成型，并且可以从聚丙烯树脂预制件制备在高温下尺寸稳定性优异的聚丙烯树脂模内发泡成型产品发泡颗粒。

6. 发明授权

US07615594B2 Graft copolymers and impact-resistant flame-retardant resin compositions containing the same 有权
标题翻译：含有它们的接枝共聚物和耐冲击阻燃树脂组合物
公开(公告)号：US07615594B2
公开(公告)日：2009-11-10
申请号：US10466130
申请日：2003-02-17
申请人： Tomomichi Hashimoto , Kazunori Saegusa , Hiroshi Tsuneishi , Nobuo Miyatake , Akira Takaki
发明人： Tomomichi Hashimoto , Kazunori Saegusa , Hiroshi Tsuneishi , Nobuo Miyatake , Akira Takaki
IPC分类号： C08F283/12
CPC分类号： C08L51/085 , C08F283/12 , C08F285/00 , C08L69/00 , C08L2201/02 , C08L2666/02 , C08L2666/24
摘要： The present invention provides a polyorganosiloxane-containing graft copolymer which is obtainable by polymerizing 0.5 to 10 parts by weight of a vinyl monomer (B) comprising 100 to 50% by weight of a polyfunctional monomer (b-1) containing two or more polymerizable unsaturated bonds in the presence of 40 to 90 parts of polyorganosiloxane particles, followed by further polymerizing 5 to 50 parts by weight of a vinyl monomer (C); A polyorganosiloxane-containing graft copolymer which is obtainable by polymerizing 0 to 10 parts by weight of a vinyl monomer (B) comprising 100 to 50% by weight of a polyfunctional monomer containing two or more polymerizable unsaturated bonds in the presence of 30 to 95 parts of a polyorganosiloxane in a latex form as obtained by seed polymerization using, as a seed polymer, a hydrophilic polymer capable of swelling in the corresponding organosiloxane, followed by further polymerizing 5 to 70 parts by weight of a vinyl monomer (C); a flame retardant which comprises said copolymer; and a resin composition which comprises said retardant and a thermoplastic resin.
摘要翻译：本发明提供一种含聚有机硅氧烷的接枝共聚物，其通过使0.5〜10重量份的含有100〜50重量％的含有2个以上的可聚合不饱和单体的多官能单体（b-1）的乙烯基单体（B）在40〜90份的聚有机硅氧烷粒子的存在下，进一步聚合5〜50重量份的乙烯基单体（C）; 一种含聚有机硅氧烷的接枝共聚物，其可通过在0〜10重量份的乙烯基单体（B）中聚合而获得，所述乙烯基单体（B）含有100〜50重量％的含有2个以上聚合性不饱和键的多官能单体，的聚有机硅氧烷，其通过使用作为种子聚合物的种子聚合获得的亲水性聚合物，其能够在相应的有机硅氧烷中溶胀，然后进一步聚合5至70重量份的乙烯基单体（C）; 包含所述共聚物的阻燃剂; 以及包含所述阻燃剂和热塑性树脂的树脂组合物。

7. 发明申请

US20080125527A1 Flame-Retardant Resin Composition 审中-公开
标题翻译：阻燃树脂组合物
公开(公告)号：US20080125527A1
公开(公告)日：2008-05-29
申请号：US11547837
申请日：2005-04-04
申请人： Hiroshi Tsuneishi , Takao Michinobu
发明人： Hiroshi Tsuneishi , Takao Michinobu
IPC分类号： C09K21/06
CPC分类号： C08L25/04 , C08K3/34 , C08L69/00 , C08L71/12 , C08L83/04 , C08L2666/14 , C08L2666/02
摘要： There is provided a novel flame-retardant resin composition capable of expressing extremely high flame retardancy without a flame retardant containing a halogen atom, a phosphorus atom, a nitrogen atom, or the like.The present invention provides a composition including a thermoplastic resin mixture of an aromatic polycarbonate or the like (A) and an aromatic vinyl resin or the like (B); a silicone compound (C); and a specific metal silicate compound (D), the silicone compound (C) being represented by average chemical formula (1): R1mR2nSio(4−m−m)/2 (1) (wherein R1 represents a methyl group or the like; R2 represents a phenyl group or the like; and 1.1≦m+n≦1.7 and 0.4≦n/m≦2.5).
摘要翻译：提供了能够在不含有卤素原子，磷原子，氮原子等的阻燃剂的情况下表现出极高阻燃性的新型阻燃性树脂组合物。本发明提供了包含芳族聚碳酸酯等（A）和芳族乙烯基树脂等（B）的热塑性树脂混合物的组合物。硅氧烷化合物（C）; 和特定的金属硅酸盐化合物（D），硅化合物（C）由平均化学式（1）表示：<？in-line-formula description =“In-line Formulas”end =“lead”？> （1）（1）（1）（2）（1） <？in-line-formula description =“In-line formula”end =“tail”？>（其中R 1表示甲基等; R 2 = 表示苯基等;且1.1≤m+ n <= 1.7且0.4≤n/m≤2.5）。

8. 发明申请

US20080073628A1 Flame-Retardant Resin Composition 审中-公开
标题翻译：阻燃树脂组合物
公开(公告)号：US20080073628A1
公开(公告)日：2008-03-27
申请号：US11662760
申请日：2005-09-27
申请人： Takao Michinobu , Hiroshi Tsuneishi
发明人： Takao Michinobu , Hiroshi Tsuneishi
IPC分类号： C09K21/14
CPC分类号： C08L71/12 , C08K5/5419 , C08L25/06 , C08L83/00 , C08L2666/02 , C08L2666/04
摘要： An object of the present invention is to provide a novel flame-retardant resin composition capable of exhibiting high flame retardancy without incorporation of flame retardants containing halogen atoms, phosphorus atoms, nitrogen atoms, and the like. A flame-retardant resin composition of the present invention includes a resin component composed of a polyphenylene ether resin (A) and an aromatic vinyl resin (B); a silicone compound (C) represented by the average compositional formula (1) below; and a metal silicate compound (D) having a pH of 8.0 or more and a volume-average particle size of 1 nm to 100 μm: R1mR2nSiO(4-m-n)/2 (1) (wherein R1 represents an aliphatic hydrocarbon group; R2 represents an aromatic hydrocarbon group; and m and n each represent a number satisfying the relationships: 1.1≦m+n≦1.7 and 0.4≦n/m≦2.5).
摘要翻译：本发明的目的是提供一种能够在不含有卤原子，磷原子，氮原子等的阻燃剂的情况下显示出高阻燃性的新型阻燃性树脂组合物。本发明的阻燃性树脂组合物包含由聚苯醚树脂（A）和芳香族乙烯基树脂（B）构成的树脂成分。由下述平均组成式（1）表示的硅氧烷化合物（C）以及pH为8.0以上，体积平均粒径为1nm〜100μm的金属硅酸盐化合物（D）：R 1，...，（4-mn）/ 2（1）（其中R 1表示脂族烃基; R 1，R 2， SUP> 2代表芳族烃基; m和n各自表示满足以下关系的数：1.1 <= m + n <= 1.7和0.4 <= n / m <= 2.5）。

9. 发明授权

US07067075B2 Flame-retardant thermoplastic resin composition 有权
标题翻译：阻燃热塑性树脂组合物
公开(公告)号：US07067075B2
公开(公告)日：2006-06-27
申请号：US10483101
申请日：2003-04-25
申请人： Kazunori Saegusa , Tomomichi Hashimoto , Hiroshi Tsuneishi , Nobuo Miyatake , Hiroshi Tone , Akira Takaki
发明人： Kazunori Saegusa , Tomomichi Hashimoto , Hiroshi Tsuneishi , Nobuo Miyatake , Hiroshi Tone , Akira Takaki
IPC分类号： C09K21/14 , C08K5/435 , C08K5/42
CPC分类号： C08L101/00 , C08K5/0066 , C08L27/12 , C08L51/085 , C08L69/00 , C08L2201/02 , C08L2666/02 , C08L51/00 , C08L2666/24
摘要： The object of the present invention is to provide a flame-retardant thermoplastic resin composition, which comprises: 100 parts by weight of a thermoplastic resin (A), 0.1 to 30 parts by weight of a polyorganosiloxane-containing graft copolymer (B) obtained by polymerizing, in at least one stage, a monomer (B-3) comprising a polyfunctional monomer (B-2) containing at least two polymerizable unsaturated bonds within the molecule thereof, and/or a vinyl monomer (B-4) in the presence of polyorganosiloxane particles (B-1), 0.0005 to 5 parts by weight of at least one metal salt (C) selected from the group consisting of alkali metal salts and bivalent or further polyvalent metal salts, and 0.05 to 2 parts by weight of a fluororesin (D).
摘要翻译：本发明的目的是提供一种阻燃热塑性树脂组合物，其包含：100重量份的热塑性树脂（A），0.1〜30重量份的含聚有机硅氧烷的接枝共聚物（B），其由在至少一个阶段中，在其分子内含有包含至少两个可聚合不饱和键的多官能单体（B-2）的单体（B-3）和/或乙烯基单体（B-4）的聚有机硅氧烷颗粒（B-1），0.0005至5重量份的至少一种选自碱金属盐和二价或另外的多价金属盐的金属盐（C）和0.05至2重量份的氟树脂（D）。

10. 发明申请

US20100267850A1 PROCESS FOR PRODUCING EXPANDED POLYOLEFIN RESIN PARTICLES AND EXPANDED POLYOLEFIN RESIN PARTICLES 有权
标题翻译：生产膨胀型聚烯烃树脂颗粒和膨胀聚烯烃树脂颗粒的方法
公开(公告)号：US20100267850A1
公开(公告)日：2010-10-21
申请号：US12747050
申请日：2008-12-03
申请人： Toru Yoshida , Jun Fukuzawa , Takamasa Imai , Kiyoshi Mori , Hiroshi Tsuneishi
发明人： Toru Yoshida , Jun Fukuzawa , Takamasa Imai , Kiyoshi Mori , Hiroshi Tsuneishi
IPC分类号： C08J9/16
CPC分类号： B29C44/3461 , C08J9/00 , C08J9/0023 , C08J9/0061 , C08J9/125 , C08J9/18 , C08J9/228 , C08J9/232 , C08J2203/06 , C08J2323/02 , C08J2323/12 , C08J2471/00 , Y10T428/249921 , Y10T428/2982
摘要： Provided is a process for producing expanded polyolefin resin particles whose cells are not made nonuniform or extremely smaller as seen in conventional expanded particles, whose cell diameter and expansion ratio can be easily controlled independently, and which, when subjected to in-mold expansion molding, give in-mold expanded molded products satisfactory in fusibility and excellent in surface properties. The process is a process for producing expanded polyolefin resin particles by: dispersing polyolefin resin particles together with an aqueous dispersion medium into a closed vessel; heating the polyolefin resin particles up to or above a softening temperature of the polyolefin resin particles; and releasing the polyolefin resin particles into a zone whose pressure is lower than an internal pressure of the closed vessel, with use as a foaming agent of water serving as the dispersion medium, the polyolefin resin particles being composed of a polyolefin resin composition including: polyolefin resin; a substance selected from among polyethylene glycol, polyvalent alcohol having a carbon number of not less than 3 to not more than 6, and a water-absorbing substance having no function of forming foaming nuclei; and a foam nucleating agent.
摘要翻译：本发明提供一种制造发泡聚烯烃树脂颗粒的方法，其发泡细胞不均匀或极小，如以往的发泡粒子，其单元直径和膨胀比可以容易地独立地控制，并且当进行模内膨胀成型时，赋予模内发泡成型体，使其熔融性良好，表面性优异。该方法是通过以下方法生产发泡聚烯烃树脂颗粒的方法：将聚烯烃树脂颗粒与水性分散介质一起分散到密闭容器中; 将聚烯烃树脂颗粒加热到聚烯烃树脂颗粒的软化温度以上或更高的程度; 使用作为分散介质的水的发泡剂，将聚烯烃树脂粒子释放到压力低于密闭容器的内部压力的区域中，所述聚烯烃树脂粒子由聚烯烃树脂组合物构成，所述聚烯烃树脂组合物包含：聚烯烃树脂; 选自聚乙二醇，碳数不小于3至多于6的多元醇的物质和不具有形成发泡核的功能的吸水物质; 和泡沫成核剂。

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