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		<h1>Nhựa PC+ABS là gì và ứng dụng của chúng?</h1>
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			<li>Thứ tư - 22/03/2023 04:45</li>
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			Hợp kim nhựa PC+ABS là sự kết hợp giữa PC và ABS, tuy nhiên chúng là 2 loại nhựa khác nhau. Việc kết hợp 2 loại nhựa này để bộ trợ cho nhau trong việc phát huy những lợi thế và cải thiện những nhược điểm vốn có của 2 loại nhựa này. Nhằm đáp ứng sự khắt khe về tính ứng dụng cũng như yêu cầu cao về kỹ thuật.
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			<h3><strong>1. Nhựa PC là gì?</strong></h3><p>Nhựa PC (Polycarbonate), viết tắt là PC. Nó là một loại nhựa nhiệt dẻo vô định hình không màu và trong suốt.</p><p>Tính chất vật lý của nhựa PC: khối lượng riêng: 1,18-1,20 g/cm3; độ co rút của khuôn: 0,5-0,8%; nhiệt độ đúc: 230-320°C; điều kiện sấy: 110-120°C, cũng có thể là -60 ~ 120°C. Rất bền nên được sử dụng trong thời gian dài.</p><h3>Các tính năng nổi bật từ nhựa PC:</h3><ul>	<li>Độ bền va đập cao: Có độ cứng và chịu va đập cao khi không may va chạm hoặc rơi vỡ.</li>	<li>Độ ổn định kích thước tốt: Khó bị biến dạng và ổn định kích thước trong các điều kiện thời tiết khắc nghiệt, biến dạng do nhiệt,…</li>	<li>Tính lưu động kém: PC là vật liệu không kết tinh, có tính lưu động kém và khó đúc tạo hình.</li>	<li>Hiệu suất cách điện tuyệt vời.</li>	<li>Khả năng chịu nhiệt độ là 110-130 °C.</li></ul><h3><strong>2. Nhựa ABS là gì?</strong></h3><p>Nhựa ABS (Acrylonitrin Butadien Styren) là một loại nhựa nhiệt dẻo thông dụng dùng để làm các sản phẩm nhẹ, cứng, dễ uốn như ống, dụng cụ âm nhạc (chủ yếu là đĩa nhạc và clarinet), đầu gậy đánh golf (vì khả năng chịu va đập tốt), các bộ phận tự động, vỏ bánh răng, lớp bảo vệ đầu hộp số, đồ chơi,...</p><h3>Các đặc điểm nổi bật từ nhựa ABS:</h3><ul>	<li>ABS có tính lưu động trung bình: tính lưu động được chia thành ba cấp, tính lưu động tốt, tính lưu động trung bình và tính lưu động kém. ABS là cấp độ lưu động trung bình và PC là cấp độ lưu động kém.</li>	<li>Bề mặt sáng đẹp: bề mặt tốt, ngoại hình xuất sắc, thường sử dụng làm vỏ bên ngoài trong các ứng dụng.</li>	<li>Độ bền sử dụng tốt trong thời gian dài, ngoài hình đẹp.</li></ul><div class="image-center"><img alt="Nhua ky thuat PC ABS" height="672" src="https://enavietnam.vn/uploads/news/kieudiem/2023/03/nhua-ky-thuat-pc-abs.jpg" width="672" /></div><h3><strong>3. Nhựa PC+ABS là gì?</strong></h3><p>Nhựa kỹ thuật PC+ABS (hợp kim nhựa kỹ thuật) trong ngành công nghiệp hóa chất là hợp kim nhựa. Sở dĩ nó được đặt tên là PC+ABS là vì vật liệu này có khả năng chịu nhiệt và thời tiết rất tốt và tính ổn định về kích thước của nhựa PC, khả năng chống va đập và có tính lưu động xử lý tuyệt vời của nhựa ABS. Do đó, nó được sử dụng trong các sản phẩm có thành mỏng và có hình dạng phức tạp để duy trì hiệu suất tuyệt vời và duy trì khả năng tạo khuôn của vật liệu bao gồm nhựa và este. Nhược điểm lớn nhất của nhựa kỹ thuật ABS là trọng lượng nặng và dẫn nhiệt kém. Nhiệt độ đúc của nó dựa trên nhiệt độ giữa hai nguyên liệu thô, là 240-265 độ, nếu nhiệt độ quá cao, ABS sẽ bị phân hủy và tính lưu động của vật liệu PC sẽ kém nếu nhiệt độ quá thấp.</p><h3><strong>4. Những ưu điểm kế thừa của PC+ABS</strong></h3><ul>	<li>Bề mặt tốt: PC+ABS kế thừa những ưu điểm của cả PC và ABS nên được xem là hợp kim nhựa có độ bền tốt nhất.</li>	<li>Tính lưu động tốt: PC+ABS kế thừa tính lưu động của ABS, làm cho nó có tính lưu động tốt hơn PC và dễ hình thành.</li>	<li>Chống va đập tốt: PC+ABS kế thừa khả năng chống va đập của PC.</li>	<li>Khả năng chịu nhiệt độ: PC+ABS kết hợp khả năng chịu nhiệt độ của PC và ABS, khả năng chịu nhiệt độ của PC là 110-130°C; khả năng chịu nhiệt độ của ABS là 70-80°C, khả năng chịu nhiệt độ PC+ABS ở mức trung bình.</li>	<li>Tính chất cơ học tốt: PC+ABS chắc chắn kế thừa các đặc tính cơ học tuyệt vời của PC.</li></ul><h3><strong>5. Ứng dụng PC+ABS</strong></h3><ul>	<li>Trang trí nội ngoại thất ô tô: táp lô, trụ trang trí, két nước, lưới tản nhiệt, trang trí nội ngoại thất.</li>	<li>Vỏ thiết điện điện tử: máy tính xách tay / máy tính để bàn, máy photocopy, máy in, máy vẽ, màn hình.</li>	<li>Viễn thông, vỏ điện thoại di động, phụ kiện và thẻ thông minh (SIM).</li>	<li>Sản phẩm điện, vỏ sản phẩm điện tử, vỏ và vỏ đồng hồ, công tắc gia dụng, phích cắm và ổ cắm, cáp và dây điện.</li>	<li>Thiết bị gia dụng như máy giặt, máy sấy tóc, các bộ phận bên trong và bên ngoài lò vi sóng.</li></ul><div class="image-center"><img alt="ung dung nhua PC ABS" height="422" src="https://enavietnam.vn/uploads/news/kieudiem/2023/03/ung-dung-nhua-pc-abs.jpg" width="932" /></div>
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