当前查询到6条专利与查询词 "Qiao Yitao"相关,搜索用时0.9062678秒!排序方式:
发明专利:5实用新型: 1外观设计: 0
5 条,当前第 1-5 条 返回搜索页
申请号:202010017288.9 公开号:CN111116832A 主分类号:C08F279/04
摘要:【中文】本发明提供聚丁二烯接枝共聚物的制备方法及制备的聚丁二烯接枝共聚物。该方法包括以下步骤:1)将聚丁二烯乳胶、第一份接枝单体在交联剂、活化剂和第一份引发剂存在下进行聚合反应,得到反应液一;2)向反应液一中加入第二份接枝单体、第二份引发剂和链转移剂进一步反应,得到所述聚丁二烯接枝共聚物。利用本发明制备的聚丁二烯接枝共聚物进一步制备ABS树脂时,在不降低接枝率、不改变ABS树脂中聚丁二烯含量的同时提高了ABS树脂的冲击强度等性能。 【EN】The invention provides a preparation method of a polybutadiene graft copolymer and the prepared polybutadiene graft copolymer. The method comprises the following steps: 1) carrying out polymerization reaction on polybutadiene latex and a first part of grafting monomer in the presence of a cross-linking agent, an activating agent and a first part of initiator to obtain a reaction solution I; 2) and adding a second part of grafting monomer, a second part of initiator and a chain transfer agent into the reaction liquid I for further reaction to obtain the polybutadiene graft copolymer. When the polybutadiene graft copolymer prepared by the invention is used for further preparing ABS resin, the performances of the ABS resin such as impact strength and the like are improved without reducing the grafting ratio and changing the polybutadiene content in the ABS resin.
详细信息 下载全文

申请号:201911321223.7 公开号:CN111004347A 主分类号:C08F220/18
摘要:【中文】本发明公开了一种低氨释放量的水性乳液及其制备方法、应用。水性乳液包括质量份数如下的原料组分:硬单体:240‑330份;软单体:632‑746份;功能单体:10‑30份;聚合稳定单体:4‑14份;以及乳化剂:8.1‑24份;分散剂:0‑4份。本发明制备的防水乳液不仅具有优异的力学性能,而且具有氨释放量低的特点。 【EN】The invention discloses a water-based emulsion with low ammonia release amount, and a preparation method and application thereof. The water-based emulsion comprises the following raw material components in parts by weight: hard monomer: 240 portion and 330 portions; soft monomer: 632 and 746 parts; functional monomer: 10-30 parts; polymerizing the stabilizing monomer: 4-14 parts; and an emulsifier: 8.1-24 parts; dispersing agent: 0-4 parts. The waterproof emulsion prepared by the invention not only has excellent mechanical property, but also has the characteristic of low ammonia release amount.
详细信息 下载全文

申请号:202010003220.5 公开号:CN111154051A 主分类号:C08F291/06
摘要:【中文】本发明公开了一种防水透湿用丙烯酸树脂及其制备方法和用途。所述的丙烯酸树脂通过采用高EO含量功能单体与亲水剂改性的PE共混,然后将该混合液与其他主单体进行乳液聚合的方式,在分子主链中引入强亲水性基团,同时树脂成膜后具有微相分离结构,利用树脂亲水性及微相分离结构达到织物内部水分由内向外的导湿作用,同时树脂的高亲水性提高了树脂流平性能,使其制备的织物用防水透湿胶在织物表面具有优异的流平性,在一遍刮涂施工的条件下,所形成的涂层致密度高,起到了隔离织物外部水分的作用,从而使整个织物具有防水透湿的功能。 【EN】The invention discloses a waterproof moisture-permeable acrylic resin, a preparation method and application thereof. The acrylic resin is prepared by blending functional monomers with high EO content and PE modified by a hydrophilic agent, and then carrying out emulsion polymerization on the mixed solution and other main monomers, wherein a strong hydrophilic group is introduced into a molecular main chain, and the resin has a microphase separation structure after film formation, so that the moisture conduction effect of the internal moisture of the fabric from inside to outside is achieved by utilizing the hydrophilicity of the resin and the microphase separation structure, and meanwhile, the high hydrophilicity of the resin improves the leveling property of the resin, so that the prepared waterproof moisture-permeable adhesive for the fabric has excellent leveling property on the surface of the fabric, and under the condition of blade coating construction, the formed coating has high density, and plays a role in isolating the external moisture of the fabric, thereby the whole fabric has the waterproof moisture-permeable function.
详细信息 下载全文

申请号:201911162788.5 公开号:CN110845656A 主分类号:C08F220/14
摘要:【中文】本发明涉及一种羟基丙烯酸乳液及其制备方法和用途,以所述乳液干重为基准,由包括以下组分的单体制得:侧链具有7‑10个碳的羟基丙烯酸单体10‑30wt%,酸单体0.5‑10wt%,丙烯酸酯类单体65‑85wt%。该丙烯酸乳液的制备方法如下:首先,向水中滴加羟基丙烯酸单体和酸单体,同时滴加碱性中和剂,聚合制备得到水溶性羟基聚合物,然后向此羟基聚合物的水溶液中滴加丙烯酸酯单体进行乳液聚合制备得到羟基聚合物稳定的丙烯酸乳液。所制备的丙烯酸乳液与水性聚氨酯固化剂搭配制备的漆膜具有快干、高硬度(铅笔硬度至少H)、高抗划伤、高透明度、耐化学品好等特点,可应用于高端水性木器漆双组份漆,取代传统溶剂型双组份聚氨酯涂料。 【EN】The invention relates to a hydroxy acrylic emulsion and a preparation method and application thereof, wherein the hydroxy acrylic emulsion is prepared from the following monomers by taking the dry weight of the emulsion as a reference: 10-30 wt% of hydroxyl acrylic monomer with 7-10 carbon side chains, 0.5-10 wt% of acid monomer and 65-85 wt% of acrylate monomer. The preparation method of the acrylic emulsion comprises the following steps: firstly, dripping a hydroxyl acrylic monomer and an acid monomer into water, dripping an alkaline neutralizer at the same time, polymerizing to obtain a water-soluble hydroxyl polymer, and then dripping an acrylic ester monomer into the aqueous solution of the hydroxyl polymer to carry out emulsion polymerization to obtain the acrylic emulsion with stable hydroxyl polymer. The paint film prepared by matching the prepared acrylic emulsion with the waterborne polyurethane curing agent has the characteristics of quick drying, high hardness (pencil hardness is at least H), high scratch resistance, high transparency, good chemical resistance and the like, and can be applied to high-end waterborne wood paint two-component paint to replace the traditional solvent-based two-component polyurethane paint.
详细信息 下载全文

申请号:201911346403.0 公开号:CN110982004A 主分类号:C08F212/08
摘要:【中文】本发明提供了一种苯乙烯‑丙烯腈共聚物的制备方法,首先将苯乙烯单体和丙烯腈单体混合并降温,进料至第一反应器中,保持充满状态下进行反应,然后进行控温并进料至第二反应器中,保持充满状态下继续反应,最后进行脱挥。本发明还提供了一种通过本发明制备方法制得的苯乙烯‑丙烯腈共聚物。本发明提供的制备方法在整个聚合反应过程中可以达到绝热或近乎绝热,无需外部移热即可有效地控制聚合反应温度的稳定性,继而保证所得共聚物组成的稳定性,制得的共聚物具有极佳的光学性能,本发明的制备方法工艺简便,易于控制,无需复杂设备,因此非常适宜于大规模的工业化生产。 【EN】The invention provides a preparation method of styrene-acrylonitrile copolymer, which comprises the steps of mixing and cooling a styrene monomer and an acrylonitrile monomer, feeding the mixture into a first reactor, reacting in a full state, controlling the temperature, feeding the mixture into a second reactor, continuing the reaction in the full state, and finally performing devolatilization. The invention also provides a styrene-acrylonitrile copolymer prepared by the preparation method. The preparation method provided by the invention can achieve heat insulation or nearly heat insulation in the whole polymerization reaction process, can effectively control the stability of the polymerization reaction temperature without external heat transfer, further ensures the stability of the composition of the obtained copolymer, and the prepared copolymer has excellent optical performance.
详细信息 下载全文

5 条,当前第 1-5 条 返回搜索页