CN111978752A - 一种具有高弹性和柔韧性的板材及其制备方法 - Google Patents
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Abstract
本发明公开了一种具有高弹性和柔韧性的板材及其制备方法,包括植物颗粒和胶粘剂,植物颗粒具体为木本植物颗粒,胶粘剂组成分:聚酯多元醇、聚醚多元醇、交联剂和扩链剂。本发明一种具有高弹性和柔韧性的板材及其制备方法,通过选用木本植物颗粒作为主材料,并通过聚酯多元醇、聚醚多元醇、交联剂和扩链剂进行混合粘结,制得出的板材为零甲醛,具有弹性和柔韧性,能够提高使用者的体验感和使用场景范围,同时该种弹性板材制得的板材,在受到外力冲击时,能够对冲击力起到缓冲作用,降低损坏。
Description
技术领域
本发明涉及一种弹性板材,具体为一种具有高弹性和柔韧性的板材及其制备方法。
背景技术
地板,即房屋地面或楼面的表面层。由木料或其他材料做成。地板的分类有很多,按结构分类有:实木地板、强化复合木地板、三层实木复合地板、竹木地板、防腐地板、软木地板以及最流行的多层实木复合地板等。
目前现有的地板材质硬度较高,地板的弹性和柔韧性能较差,给使用者带来的体验感较差,且地板受到较大冲击力时容易受到损坏。因此我们对此做出改进,提出一种具有高弹性和柔韧性的板材及其制备方法。
发明内容
为解决现有技术存在的缺陷,本发明提供一种具有高弹性和柔韧性的板材及其制备方法。
为了解决上述技术问题,本发明提供了如下的技术方案:
本发明一种具有高弹性和柔韧性的板材,包括植物颗粒和胶粘剂,所述植物颗粒和胶粘剂按重量份数由以下比例组成:植物颗粒52.5%~98.5%,胶粘剂1.5%~47.5%。
作为本发明的一种优选技术方案,所述植物颗粒为木本植物颗粒、草本植物颗粒和秸秆颗粒中的一种或多种混合。
作为本发明的一种优选技术方案,所述植物颗粒具体为木本植物颗粒。
作为本发明的一种优选技术方案,所述胶粘剂组成分:聚酯多元醇21%~96%、聚醚多元醇0%~21%、交联剂4%~28%、扩链剂0%~30%。
作为本发明的一种优选技术方案,所述交联剂为聚异氰酸酯,具体为二苯基甲烷二异氰酸酯。
作为本发明的一种优选技术方案,所述扩链剂为低分子多官能团的化合物,且所述扩链剂具体为:季戊四醇和二甲基戊二胺按4:1配合的混合物。
本发明一种具有高弹性和柔韧性的板材的制备方法,包括以下步骤:
S1:将木本植物颗粒在200℃消毒杀菌,并控干水分到25%以下;
S2:按照配比把聚酯多元醇、聚醚多元醇、交联剂和扩链剂投入搅拌机中,并在常温常压下进行均匀混合;
S3:将步骤S1控干水分的木本植物颗粒投入步骤S2中的搅拌机中,然后进行搅拌混合;
S4:对步骤S3混合后的物料进行铺装,然后在高压状态下压制成板;
S5:对步骤S4压制成的板进行加热,加热温度为100℃,用以加速胶粘剂的固化;
S6:对步骤S5中加热固化的板材进行吹风冷却,把板材降至室温;
S7:对步骤S6降温后的板材进行双面砂光打磨,打磨后把板材在常温下平放堆存,使得胶粘剂继续熟化一个星期,即可成为可深化加工的成品板材。
本发明的有益效果是:该种具有高弹性和柔韧性的板材及其制备方法,通过选用木本植物颗粒作为主材料,并通过聚酯多元醇、聚醚多元醇、交联剂和扩链剂进行混合粘结,制得出的板材为零甲醛,具有弹性和柔韧性,能够提高使用者的体验感和使用场景范围,同时该种弹性板材制得的板材,在受到外力冲击时,能够对冲击力起到缓冲作用,降低损坏。
具体实施方式
以下对本发明的优选实施例进行说明,应当理解,此处所描述的优选实施例仅用于说明和解释本发明,并不用于限定本发明。
实施例1:本发明一种具有高弹性和柔韧性的板材,包括植物颗粒和胶粘剂,植物颗粒和胶粘剂按重量份数由以下比例组成:植物颗粒65.5%,胶粘剂34.5%;植物颗粒具体为木本植物颗粒;胶粘剂组成分:聚酯多元醇87%、聚醚多元醇4%、交联剂3%、扩链剂6%;交联剂为聚异氰酸酯,具体为二苯基甲烷二异氰酸酯;扩链剂为低分子多官能团的化合物,且扩链剂具体为:季戊四醇和二甲基戊二胺按4:1配合的混合物。
本发明一种具有高弹性和柔韧性的板材的制备方法,包括以下步骤:
S1:将木本植物颗粒在200℃消毒杀菌,并控干水分到25%以下;
S2:按照配比把聚酯多元醇、聚醚多元醇、交联剂和扩链剂投入搅拌机中,并在常温常压下进行均匀混合;
S3:将步骤S1控干水分的木本植物颗粒投入步骤S2中的搅拌机中,然后进行搅拌混合;
S4:对步骤S3混合后的物料进行铺装,然后在高压状态下压制成板;
S5:对步骤S4压制成的板进行加热,加热温度为100℃,用以加速胶粘剂的固化;
S6:对步骤S5中加热固化的板材进行吹风冷却,把板材降至室温;
S7:对步骤S6降温后的板材进行双面砂光打磨,打磨后把板材在常温下平放堆存,使得胶粘剂继续熟化一个星期,即可成为可深化加工的成品板材。
实施例2:本发明一种具有高弹性和柔韧性的板材,包括植物颗粒和胶粘剂,植物颗粒和胶粘剂按重量份数由以下比例组成:植物颗粒78.5%,胶粘剂21.5%;植物颗粒具体为木本植物颗粒;胶粘剂组成分:聚酯多元醇92%、聚醚多元醇2%、交联剂2%、扩链剂4%;交联剂为聚异氰酸酯,具体为二苯基甲烷二异氰酸酯;扩链剂为低分子多官能团的化合物,且扩链剂具体为:季戊四醇和二甲基戊二胺按4:1配合的混合物。
本发明一种具有高弹性和柔韧性的板材的制备方法,包括以下步骤:
S1:将木本植物颗粒在200℃消毒杀菌,并控干水分到25%以下;
S2:按照配比把聚酯多元醇、聚醚多元醇、交联剂和扩链剂投入搅拌机中,并在常温常压下进行均匀混合;
S3:将步骤S1控干水分的木本植物颗粒投入步骤S2中的搅拌机中,然后进行搅拌混合;
S4:对步骤S3混合后的物料进行铺装,然后在高压状态下压制成板;
S5:对步骤S4压制成的板进行加热,加热温度为100℃,用以加速胶粘剂的固化;
S6:对步骤S5中加热固化的板材进行吹风冷却,把板材降至室温;
S7:对步骤S6降温后的板材进行双面砂光打磨,打磨后把板材在常温下平放堆存,使得胶粘剂继续熟化一个星期,即可成为可深化加工的成品板材。
实施例3:本发明一种具有高弹性和柔韧性的板材,包括植物颗粒和胶粘剂,植物颗粒和胶粘剂按重量份数由以下比例组成:植物颗粒85.5%,胶粘剂14.5%;植物颗粒具体为木本植物颗粒;胶粘剂组成分:聚酯多元醇95%、聚醚多元醇2%、交联剂1%、扩链剂3%;交联剂为聚异氰酸酯,具体为二苯基甲烷二异氰酸酯;扩链剂为低分子多官能团的化合物,且扩链剂具体为:季戊四醇和二甲基戊二胺按4:1配合的混合物。
本发明一种具有高弹性和柔韧性的板材的制备方法,包括以下步骤:
S1:将木本植物颗粒在200℃消毒杀菌,并控干水分到25%以下;
S2:按照配比把聚酯多元醇、聚醚多元醇、交联剂和扩链剂投入搅拌机中,并在常温常压下进行均匀混合;
S3:将步骤S1控干水分的木本植物颗粒投入步骤S2中的搅拌机中,然后进行搅拌混合;
S4:对步骤S3混合后的物料进行铺装,然后在高压状态下压制成板;
S5:对步骤S4压制成的板进行加热,加热温度为100℃,用以加速胶粘剂的固化;
S6:对步骤S5中加热固化的板材进行吹风冷却,把板材降至室温;
S7:对步骤S6降温后的板材进行双面砂光打磨,打磨后把板材在常温下平放堆存,使得胶粘剂继续熟化一个星期,即可成为可深化加工的成品板材。
多元醇与交联剂和扩链剂反应后统称为聚氨酯,聚酯多元醇和聚醚多元醇是合成聚氨酯的重要原材料,在聚氨酯合成中充当柔性软链段的角色,而交联剂与扩链剂构成聚氨酯的硬链段部分,因此,交联剂和扩链剂增多,则生成的聚氨酯越硬,刚性增加,越缺少韧性,反之,多元醇越多,就越软,强度越低;
在多元醇中,聚酯多元酯反应固化后的结构比较坚硬致密,聚醚多元醇反应固化后的结构比较柔软和疏松,所以胶粘剂中以聚酯多元醇为主,聚醚多元醇为辅,二者不同比例配合可以调节板材的质地状态;
扩链剂是增加多元醇反应后的分子量或者形成支链结构,从而加大固化后的硬度和强度,无扩链剂时的板材更柔软,加多扩链剂后硬度强度增加,体现出的反弹性提高,柔软性下降,扩链剂优选季戊四醇和二甲基戊二胺按4:1配合使用,是因为季戊四醇与聚异氰酸酯对多元醇反应时,在分子链扩张的同时,还能形成支链点,形成网络结构,二甲基戊二胺是支链化的胺类化合物,可以提高初期交联速度并且支链交联,两种扩链剂配合充分利用二者的优势。
最后应说明的是:以上所述仅为本发明的优选实施例而已,并不用于限制本发明,尽管参照前述实施例对本发明进行了详细的说明,对于本领域的技术人员来说,其依然可以对前述各实施例所记载的技术方案进行修改,或者对其中部分技术特征进行等同替换。凡在本发明的精神和原则之内,所作的任何修改、等同替换、改进等,均应包含在本发明的保护范围之内。
Claims (7)
1.一种具有高弹性和柔韧性的板材,其特征在于,包括植物颗粒和胶粘剂,所述植物颗粒和胶粘剂按重量份数由以下比例组成:植物颗粒52.5%~98.5%,胶粘剂1.5%~47.5%。
2.根据权利要求1所述的一种具有高弹性和柔韧性的板材,其特征在于,所述植物颗粒为木本植物颗粒、草本植物颗粒和秸秆颗粒中的一种或多种混合。
3.根据权利要求2所述的一种具有高弹性和柔韧性的板材,其特征在于,所述植物颗粒具体为木本植物颗粒。
4.根据权利要求1所述的一种具有高弹性和柔韧性的板材,其特征在于,所述胶粘剂组成分:聚酯多元醇21%~96%、聚醚多元醇0%~21%、交联剂4%~28%、扩链剂0%~30%。
5.根据权利要求4所述的一种具有高弹性和柔韧性的板材,其特征在于,所述交联剂为聚异氰酸酯,具体为二苯基甲烷二异氰酸酯。
6.根据权利要求4所述的一种具有高弹性和柔韧性的板材,其特征在于,所述扩链剂为低分子多官能团的化合物,且所述扩链剂具体为:季戊四醇和二甲基戊二胺按4:1配合的混合物。
7.根据权利要求1-6任一项所述的一种具有高弹性和柔韧性的板材及其制备方法,其特征在于,包括以下步骤:
S1:将木本植物颗粒在200℃消毒杀菌,并控干水分到25%以下;
S2:按照配比把聚酯多元醇、聚醚多元醇、交联剂和扩链剂投入搅拌机中,并在常温常压下进行均匀混合;
S3:将步骤S1控干水分的木本植物颗粒投入步骤S2中的搅拌机中,然后进行搅拌混合;
S4:对步骤S3混合后的物料进行铺装,然后在高压状态下压制成板;
S5:对步骤S4压制成的板进行加热,加热温度为100℃,用以加速胶粘剂的固化;
S6:对步骤S5中加热固化的板材进行吹风冷却,把板材降至室温;
S7:对步骤S6降温后的板材进行双面砂光打磨,打磨后把板材在常温下平放堆存,使得胶粘剂继续熟化一个星期,即可成为可深化加工的成品板材。
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CN1304828A (zh) * | 2001-01-11 | 2001-07-25 | 苏珣 | 硬质多纤维板 |
CN111168803A (zh) * | 2019-12-31 | 2020-05-19 | 嘉兴市集美新材料科技有限公司 | 环保防水高强度的人造板及其制造方法 |
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CN111168803A (zh) * | 2019-12-31 | 2020-05-19 | 嘉兴市集美新材料科技有限公司 | 环保防水高强度的人造板及其制造方法 |
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