以下是聚脲涂料的成分與性能分析：
The following is the analysis of composition and properties of polyurea coatings:
聚脲涂料主要是由異氰酸酯組分和聚醚胺的組合料組成的，現有的聚脲原材料主要由MDI、聚醚多元 胺、聚醚多元醇、胺擴鏈劑、各種功能助劑、顏填料、活性稀釋劑等組成。
Spray polyurea coating is mainly composed of isocyanate group and polyether amine compound consisting of existing polyurea raw materials mainly by the composition of MDI, polyether polyamine, polyether polyol, polyamine chain extender, each kind of function additives, pigments and fillers, active diluent.
1、各種不同MDI對聚脲涂膜機能的影響
1, the different influence on the performance of the polyurea coating on MDI
液化的MDI：液化的MDI一般是4位對稱(chēng)的結構，可以增強涂膜的拉伸的強度，加快反應的速度;
Liquefied MDI: Liquefied MDI is generally 4 bit symmetrical structure, can enhance the tensile strength of the film, speed up the reaction;
粗MDI：因具有高官能度，可以有效進(jìn)步涂膜的撕裂強度;
MDI: because of the high level of the officials, can effectively improve the film's tear strength;
MDI-50：因有50%4位異構體，阻礙了異氰酸酯與胺的反應，可以延緩涂膜的反應的速度，加快涂膜表面的流平機能，同時(shí)降低了涂膜的拉伸強度。
MDI-50: because there are 50%4 isoforms, the reaction of isocyanate and amine, can delay the film's reaction speed, and speed up the film surface, while reducing the tensile strength of the film.
2、各種聚醚多元醇對預聚體、涂膜機能的影響
2. The influence of various polyether polyol on the function of the pre polymer and the film
EP330N：相對分子質(zhì)量為5000的3官能度聚醚，與MDI制造的預聚體粘度較高，涂膜拉伸強度高
EP330N: the relative molecular weight of 3 of the 5000 functional polyether, with MDI produced by the high viscosity of the polymer, the film tensile strength
GE220A：相對分子質(zhì)量為2000的2官能度聚醚，與MDI制造的預聚體粘度較低，涂膜斷裂伸長(cháng)率高;
GE220A: the relative molecular weight of 2 of the 2000 functional polyether, with MDI produced by the low viscosity of the polymer, the film elongation at break;
3、各種聚醚胺對涂膜機能的影響
3, the influence of various polyether amine on the film performance
D-2000：相對分子質(zhì)量為2000的2官能度端氨基聚醚，可有效進(jìn)步斷裂伸長(cháng)率;
D-2000: the relative molecular weight of 2 of the 2000 functional amino polyether, can effectively improve the elongation at break;
T-5000：相對分子質(zhì)量為5000的3官能度端氨基聚醚，可有效進(jìn)步拉伸強度;
T-5000: the relative molecular weight of 3 of the 5000 functional amino polyether, can effectively improve the tensile strength;
D-230：相對分子質(zhì)量為230的2官能度端氨基聚醚，可有效進(jìn)步反應速度。
D-230: the relative molecular weight of 2 of the 230 functional amino polyether, can effectively improve the reaction rate.
4、各種擴鏈劑對涂膜機能的影響
4, the effect of various chain expanding agent on film function
DMTDA(3，5二甲硫基甲苯二胺)：可降低反應速度，進(jìn)步涂膜的流平性;
DMTDA (5, two, two, 3 amine): it can reduce the reaction rate, and progress of the film flow;
4200：可有效延長(cháng)凝膠時(shí)間，進(jìn)步附著(zhù)力。
4200: can effectively extend the gel time, progress of adhesion.
MOCA(3，3''-二氯-4，4''二氨基二苯甲烷)：可有效進(jìn)步涂膜硬度;
MOCA (3, 3''- two, 4''two, -4 two): can effectively improve the film hardness;
DETDA(二乙基甲苯二胺)：可有效進(jìn)步涂膜的拉伸強度、耐沖擊機能等;
DETDA (two ethyl toluene two amine): it can effectively improve the tensile strength, impact resistance, etc.;
