CN106750104A - 聚氨酯棒球及其制备方法 - Google Patents

聚氨酯棒球及其制备方法 Download PDF

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CN106750104A
CN106750104A CN201710105770.6A CN201710105770A CN106750104A CN 106750104 A CN106750104 A CN 106750104A CN 201710105770 A CN201710105770 A CN 201710105770A CN 106750104 A CN106750104 A CN 106750104A
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耿佃勇
荆晓东
董伟
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    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40—High-molecular-weight compounds
    • C08G18/48—Polyethers
    • C08G18/4804—Two or more polyethers of different physical or chemical nature
    • C08G18/4812—Mixtures of polyetherdiols with polyetherpolyols having at least three hydroxy groups
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C39/00—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
    • B29C39/003—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor characterised by the choice of material
    • B29C39/006—Monomers or prepolymers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C39/00—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
    • B29C39/02—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor for making articles of definite length, i.e. discrete articles
    • B29C39/028—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor for making articles of definite length, i.e. discrete articles having an axis of symmetry
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/08—Processes
    • C08G18/10—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
    • C08G18/12—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step using two or more compounds having active hydrogen in the first polymerisation step
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
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    • C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
    • C08G18/66—Compounds of groups C08G18/42, C08G18/48, or C08G18/52
    • C08G18/6666—Compounds of group C08G18/48 or C08G18/52
    • C08G18/667—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38
    • C08G18/6674—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/3203
    • C—CHEMISTRY; METALLURGY
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    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
    • C08G18/72—Polyisocyanates or polyisothiocyanates
    • C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
    • C08G18/76—Polyisocyanates or polyisothiocyanates cyclic aromatic
    • C08G18/7657—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings
    • C08G18/7664—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing alkylene polyphenyl groups
    • C08G18/7671—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing alkylene polyphenyl groups containing only one alkylene bisphenyl group
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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Abstract

本发明属于聚氨酯制品技术领域，具体涉及一种聚氨酯棒球及其制备方法。聚氨酯棒球由A组分和B组分组成，A组分：聚醚多元醇DDL‑4300D、聚醚多元醇DEP‑3600H、聚醚多元醇DDL‑2000D、MDI；B组分：聚醚多元醇DDL‑400、催化剂、扩链剂、色浆。本发明具有强度高、高耐磨性、耐撕裂、有一定的弹性、有良好的耐环境性能等优点。

Description

聚氨酯棒球及其制备方法
技术领域
本发明属于聚氨酯制品技术领域，具体涉及一种聚氨酯棒球及其制备方法。
背景技术
现在市场上存在的棒球主要材料为橡胶材质的，橡胶材质的棒球的物理性能较差。而聚氨酯棒球具有强度高、高耐磨性、耐撕裂、有一定的弹性，有良好的耐环境性能等优点。
发明内容
本发明的目的是提供一种聚氨酯棒球，具有强度高、高耐磨性、耐撕裂、有一定的弹性、有良好的耐环境性能的优点；本发明同时提供了聚氨酯棒球的制备方法，加工工艺简单，生产效率高。
本发明所述的聚氨酯棒球，由A组分和B组分组成，以重量份数计，
A组分：
B组分：
所述的聚醚多元醇DDL-4300D为2官能度，分子量4300的聚醚多元醇；该聚醚由淄博德信联邦化学工业有限公司生产，用这类多元醇做的制品韧性好。
所述的聚醚多元醇DEP-3600H为3官能度，分子量6000的聚醚多元醇；该聚醚由淄博德信联邦化学工业有限公司生产，用这类多元醇做的制品弹性好、耐磨。
所述的聚醚多元醇DDL-2000D为2官能度，分子量2000的聚醚多元醇；该聚醚由淄博德信联邦化学工业有限公司生产，用这类多元醇做的制品硬度大、耐撕裂。
所述的MDI(二苯基甲烷二异氰酸酯)的加入使得反应速度快，制品机械性能好、耐磨性能优异。
所述的聚醚多元醇DDL-400为2官能度，分子量400的聚醚多元醇；该聚醚由淄博德信联邦化学工业有限公司生产，用这类多元醇做的制品手感好，硬度大。
所述的催化剂为有机铋催化剂DY-20，上海德音化学有限公司生产，主要起催化NCO与OH的作用。
所述的扩链剂为1,4-丁二醇。
本发明所述的聚氨酯棒球的制备方法，步骤如下：
(1)A组分：聚醚多元醇DDL-4300D、聚醚多元醇DEP-3600H和聚醚多元醇DDL-2000D在100-110℃抽真空脱水1.5-2.0h，降温45-55℃后加入MDI，75-85℃合成NCO含量为3-12％的预聚体；
(2)B组分：将聚醚多元醇DDL-400、催化剂、扩链剂和色浆混合均匀；
(3)聚氨酯棒球的制作：然后将A组分与B组分按100:7-60的质量比混合均匀，将其倒入预热至100±5℃的模具中，30min后脱模，90-100℃硫化10-12小时后得到产品。
本发明与现有技术相比，具有如下有益效果：
(1)本发明具有强度高、高耐磨性、耐撕裂、有一定的弹性、有良好的耐环境性能等优点。
(2)本发明加工工艺简单，生产效率高。
具体实施方式
以下结合实施例对本发明做进一步描述。
实施例1
原料组成如下：
A组分：
B组分：
制备方法如下：
(1)A组分：聚醚多元醇DDL-4300D、聚醚多元醇DEP-3600H和聚醚多元醇DDL-2000D在110℃抽真空脱水2.0h，降温55℃后加入MDI，85℃合成NCO含量为12％的预聚体；
(2)B组分：将聚醚多元醇DDL-400、催化剂、扩链剂和色浆混合均匀；
(3)聚氨酯棒球的制作：然后将A组分与B组分按100:60的质量比混合均匀，将其倒入预热至105℃的模具中，30min后脱模，100℃硫化12小时后得到产品。
产品指标见表1。
表1实施例1产品指标
密度(kg/m3) 邵A硬度 回弹率％
755 75 35
注：回弹率＝回弹高度/初始下落高度
实施例2
原料组成如下：
A组分：
B组分：
制备方法如下：
(1)A组分：聚醚多元醇DDL-4300D、聚醚多元醇DEP-3600H和聚醚多元醇DDL-2000D在100℃抽真空脱水1.5h，降温45℃后加入MDI，75℃合成NCO含量为3％的预聚体；
(2)B组分：将聚醚多元醇DDL-400、催化剂、扩链剂和色浆混合均匀；
(3)聚氨酯棒球的制作：然后将A组分与B组分按100:7的质量比混合均匀，将其倒入预热至95℃的模具中，30min后脱模，90℃硫化10小时后得到产品。
产品指标见表2。
表2实施例2产品指标
注：回弹率＝回弹高度/初始下落高度
实施例3
原料组成如下：
A组分：
B组分：
制备方法如下：
(1)A组分：聚醚多元醇DDL-4300D、聚醚多元醇DEP-3600H和聚醚多元醇DDL-2000D在105℃抽真空脱水1.6h，降温50℃后加入MDI，80℃合成NCO含量为8％的预聚体；
(2)B组分：将聚醚多元醇DDL-400、催化剂、扩链剂和色浆混合均匀；
(3)聚氨酯棒球的制作：然后将A组分与B组分按100:25的质量比混合均匀，将其倒入预热至100℃的模具中，30min后脱模，95℃硫化11小时后得到产品。
产品指标见表3。
表3实施例3产品指标
密度(kg/m3) 邵A硬度 回弹率％
738 72 35
注：回弹率＝回弹高度/初始下落高度。

Claims (8)

1.一种聚氨酯棒球，其特征在于由A组分和B组分组成，以重量份数计，
A组分：
B组分：
2.根据权利要求1所述的聚氨酯棒球，其特征在于所述的聚醚多元醇DDL-4300D为2官能度，分子量4300的聚醚多元醇。
3.根据权利要求1所述的聚氨酯棒球，其特征在于所述的聚醚多元醇DEP-3600H为3官能度，分子量6000的聚醚多元醇。
4.根据权利要求1所述的聚氨酯棒球，其特征在于所述的聚醚多元醇DDL-2000D为2官能度，分子量2000的聚醚多元醇。
5.根据权利要求1所述的聚氨酯棒球，其特征在于所述的聚醚多元醇DDL-400为2官能度，分子量400的聚醚多元醇。
6.根据权利要求1所述的聚氨酯棒球，其特征在于所述的催化剂为有机铋催化剂DY-20。
7.根据权利要求1所述的聚氨酯棒球，其特征在于所述的扩链剂为1,4-丁二醇。
8.一种权利要求1-7任一所述的聚氨酯棒球的制备方法，其特征在于步骤如下：
(1)A组分：聚醚多元醇DDL-4300D、聚醚多元醇DEP-3600H和聚醚多元醇DDL-2000D在100-110℃抽真空脱水1.5-2.0h，降温45-55℃后加入MDI，75-85℃合成NCO含量为3-12％的预聚体；
(2)B组分：将聚醚多元醇DDL-400、催化剂、扩链剂和色浆混合均匀；
(3)聚氨酯棒球的制作：然后将A组分与B组分按100:7-60的质量比混合均匀，将其倒入预热至100±5℃的模具中，30min后脱模，90-100℃硫化10-12小时后得到产品。
CN201710105770.6A 2017-02-24 2017-02-24 聚氨酯棒球及其制备方法 Pending CN106750104A (zh)

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1761502A (zh) * 2003-03-18 2006-04-19 帝人可多丽株式会社 球用表皮材料以及球
CN2825010Y (zh) * 2005-07-19 2006-10-11 林金生 适用于棒球、垒球及板球的表皮复合结构
CN101172385A (zh) * 2006-10-31 2008-05-07 罗传兴 用射出成型机生产球类外表层材料的方法
CN102140244A (zh) * 2010-11-26 2011-08-03 山东东大一诺威聚氨酯有限公司 一种用于生产打印机胶辊的聚氨酯弹性体组合物
CN103833951A (zh) * 2014-03-24 2014-06-04 山东一诺威聚氨酯股份有限公司 快速脱模低硬度聚氨酯弹性体组合物的制备方法
CN104448199A (zh) * 2014-12-19 2015-03-25 淄博正大节能新材料有限公司 聚氨酯弹性体枕木及其制备方法
CN105037681A (zh) * 2015-06-25 2015-11-11 淄博德信联邦化学工业有限公司 浇注型聚氨酯弹性体及其制备方法

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1761502A (zh) * 2003-03-18 2006-04-19 帝人可多丽株式会社 球用表皮材料以及球
CN2825010Y (zh) * 2005-07-19 2006-10-11 林金生 适用于棒球、垒球及板球的表皮复合结构
CN101172385A (zh) * 2006-10-31 2008-05-07 罗传兴 用射出成型机生产球类外表层材料的方法
CN102140244A (zh) * 2010-11-26 2011-08-03 山东东大一诺威聚氨酯有限公司 一种用于生产打印机胶辊的聚氨酯弹性体组合物
CN103833951A (zh) * 2014-03-24 2014-06-04 山东一诺威聚氨酯股份有限公司 快速脱模低硬度聚氨酯弹性体组合物的制备方法
CN104448199A (zh) * 2014-12-19 2015-03-25 淄博正大节能新材料有限公司 聚氨酯弹性体枕木及其制备方法
CN105037681A (zh) * 2015-06-25 2015-11-11 淄博德信联邦化学工业有限公司 浇注型聚氨酯弹性体及其制备方法

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Application publication date: 20170531

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