CN103554407B - 亲水性聚氨酯半硬泡无土栽培基材及其制备方法 - Google Patents

亲水性聚氨酯半硬泡无土栽培基材及其制备方法 Download PDF

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CN103554407B
CN103554407B CN201310529758.XA CN201310529758A CN103554407B CN 103554407 B CN103554407 B CN 103554407B CN 201310529758 A CN201310529758 A CN 201310529758A CN 103554407 B CN103554407 B CN 103554407B
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王宝山
耿佃勇
董伟
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Zibo Dexin Lianbang Chemical Industry Co Ltd
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Abstract

本发明公开了一种亲水性聚氨酯半硬泡无土栽培基材及其制备方法。原料由A组分和B组分组成,原料及其质量份数如下:A组分:聚醚多元醇50-90;亲水交联剂30-60;光稳定剂10100.01-0.03;化学发泡剂2.8-5.3;泡沫稳定剂0.8-2.2;催化剂0.31-0.42;B组分:异氰酸酯35-41。本发明聚醚多元醇和亲水交联剂相互作用,调整了体系中各组分的表面张力,改变了网架结构,使得做成泡沫后无须开孔。本发明亲水性好,锁水率达到40%,给植物提供足够的营养液。

Description

亲水性聚氨酯半硬泡无土栽培基材及其制备方法
技术领域
本发明涉及一种无土栽培基材,具体涉及一种亲水性聚氨酯半硬泡无土栽培基材及其制备方法。
技术背景
无土栽培作为农业的高新技术,把传统农业带入一个作物栽培自动化、管理现代化的全新领域,不仅在生产上可降低成本,节约肥料、水及劳力,简化工序,而且达到高产、优质、高效的目的,使得作物栽培向着工厂化、现代化发展。目前,无土栽培常用的固体基质材料主要有:岩棉、蛙石、砂子、煤渣及经过处理的有机基材等。亲水吸水性聚氨酯可以吸收培养液,可以通过调整配方比例来控制泡沫的吸水量,控制泡沫在使用中的固、气、水的组成比例,以满足不同作物根系生长的要求,因此,亲水吸水性聚氨酯泡沫作为无土栽培的基材,有其重量轻、基村组成可根据不同作物要求进行调整及可制成各种形状等独特的优点。
发明内容
本发明的目的是提供一种亲水性聚氨酯半硬泡无土栽培基材及其制备方法,调节各组分的表面张力达到网架结构,无须开孔,亲水性好,锁水率效率高,给植物提供足够的营养液。
本发明所述的亲水性聚氨酯半硬泡无土栽培基材,原料由A组分和B组分组成,原料及其质量份数如下:
A组分:
B组分:
异氰酸酯     35-41。
其中,聚醚多元醇为DEP-505S。
化学发泡剂为水。
泡沫稳定为剂为AK6689,生产厂家为南京德美世创化工有限公司。
光稳定剂为1010,生产厂家为北京加成助剂研究所。
亲水交联剂为MN550E。
催化剂为A201和T9的混合物。
A201和T9的质量份数如下:
A201       0.16-0.21;
T9         0.15-0.22。
A201的生产厂家为淄博德信联邦化学工业有限公司。
T9的生产厂家为美国迈图公司。
DEP-505S、MN550E的生产厂家为淄博德信联邦化学工业有限公司。
亲水性聚氨酯半硬泡无土栽培基材的制备方法如下:
将A和B组分恒定20-25℃,将两组分在转速3000-5000r/min混合搅拌5-12秒倒入发泡磨具内,记录起发时间,待泡沫发起结束后,20-25℃熟化24-48h后即为研制产品。
聚醚多元醇和亲水交联剂相互作用,调整了体系中各组分的表面张力,改变了网架结构,使得做成泡沫后无须开孔。
与现有技术相比,本发明具有以下有益效果:
本发明聚醚多元醇和亲水交联剂相互作用,调整了体系中各组分的表面张力,改变了网架结构,使得做成泡沫后无须开孔。本发明尺寸稳定性好,亲水性好,吸收后物理性能下降少,锁水率达到40%,给植物提供足够的营养液。
具体实施方式
下面结合实施例对本发明做进一步说明。
实施例1
本实施例所述的亲水性聚氨酯半硬泡无土栽培基材,原料及其质量份数如下:
A组分:
B组分:
异氰酸酯     41。
亲水性聚氨酯半硬泡无土栽培基材的制备方法如下:
将A和B组分恒定25℃,将两组分在转速3000r/min混合搅拌5秒倒入发泡磨具内。记录起发时间,待泡沫发起结束后,25℃熟化24h后即为研制产品。
实施例2
本实施例所述的亲水性聚氨酯半硬泡无土栽培基材,原料及其质量份数如下:
A组分:
B组分:
异氰酸酯     38。
亲水性聚氨酯半硬泡无土栽培基材的制备方法如下:
将A和B组分恒定23℃,将两组分在转速4000r/min混合搅拌7秒倒入发泡磨具内。记录起发时间,待泡沫发起结束后,23℃熟化30h后即为研制产品。
实施例3
本实施例所述的亲水性聚氨酯半硬泡无土栽培基材,原料及其质量份数如下:
A组分:
B组分:
异氰酸酯     37。
亲水性聚氨酯半硬泡无土栽培基材的制备方法如下:
将A和B组分恒定25℃,将两组分在转速4000r/min混合搅拌7秒倒入发泡磨具内。记录起发时间,待泡沫发起结束后,25℃熟化36h后即为研制产品。
实施例4
本实施例所述的亲水性聚氨酯半硬泡无土栽培基材,原料及其质量份数如下:
A组分:
T9    0.20;
B组分:
异氰酸酯   35。
亲水性聚氨酯半硬泡无土栽培基材的制备方法如下:
将A和B组分恒定25℃,将两组分在转速5000r/min混合搅拌10秒倒入发泡磨具内。记录起发时间,待泡沫发起结束后,25℃熟化48h后即为研制产品。

Claims (5)

1.一种亲水性聚氨酯半硬泡无土栽培基材,其特征在于,原料由A组分和B组分组成,原料及其质量份数如下:
A组分:
聚醚多元醇                   50~90;
亲水交联剂                   30~60;
光稳定剂1010                0.01~0.03;
化学发泡剂                   2.8~5.3;
泡沫稳定剂                  0.8~2.2;
催化剂                      0.31-0.42;
B组分:
异氰酸酯                   35~41;
聚醚多元醇为DEP-505S;
亲水交联剂为MN550E;
催化剂为A201和T 9的混合物;
A201和T 9的质量份数如下:
A201                       0.16~0.21;
T9                          0.15~0.22。
2.根据权利要求1所述的亲水性聚氨酯半硬泡无土栽培基材,其特征在于,化学发泡剂为水。
3.根据权利要求1所述的亲水性聚氨酯半硬泡无土栽培基材,其特征在于,泡沫稳定剂为AK6689。
4.根据权利要求1所述的亲水性聚氨酯半硬泡无土栽培基材,其特征在于,光稳定剂为1010。
5.一种权利要求1所述的亲水性聚氨酯半硬泡无土栽培基材的制备方法,其特征在于,制备步骤如下:
将A和B组分恒定20~25℃,将两组分在转速3000~5000r/min混合搅拌5~12秒倒入发泡磨具内,记录起发时间,待泡沫发起结束后,20~25℃熟化24~48h后即为研制产品。
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CN105461885B (zh) * 2015-11-11 2018-02-09 钟哲科 一种用于植物培育的生物炭聚氨酯复合材料
CN105482149B (zh) * 2015-12-10 2018-10-26 深圳乐活园艺生态技术有限公司 可控生物降解的全透气种植海绵及其制备方法
CN105968311A (zh) * 2016-07-21 2016-09-28 淄博德信联邦化学工业有限公司 聚氨酯花泥及其制备方法
CN106832214A (zh) * 2017-02-24 2017-06-13 耿佃勇 亲水吸水性聚氨酯泡沫及其制备方法
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CN110229299A (zh) * 2019-06-21 2019-09-13 南京金栖化工集团有限公司 一种聚氨酯泡沫用聚醚多元醇的合成及泡沫的制备

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