一次性外賣打包盒中的船型紙盒，因形似小船的敞口設計成為餐飲外賣的常用選擇，其制作工藝與材料特性共同決定了實用性與環(huán)保性。這種紙盒既需滿足盛裝食物（如炸雞、薯條、沙拉）的基本功能，又要兼顧便攜、防漏與可降解需求，在快餐外賣領域占據(jù)重要地位，其設計細節(jié)直接影響使用體驗與環(huán)境友好性。

　　The boat shaped paper box in disposable takeaway packaging boxes has become a common choice for catering takeaway due to its open design resembling a small boat. Its production process and material characteristics jointly determine its practicality and environmental friendliness. This type of cardboard box not only needs to meet the basic function of holding food (such as fried chicken, French fries, salads), but also needs to be portable, leak proof, and biodegradable. It occupies an important position in the fast food delivery field, and its design details directly affect the user experience and environmental friendliness.

　　船型紙盒的制作流程圍繞材料選擇與結構成型展開，需平衡成本與性能。原材料以食品級卡紙為核心，通常選用 250-400g/m 的白卡紙或牛皮卡紙，這類紙張挺度高（挺度值≥50mNm），能支撐盒體形狀且不易變形，同時具有一定耐油性（未覆膜的牛皮卡紙可耐受輕度油脂滲透）。部分針對含湯汁的食物（如咖喱飯、麻辣燙），會在卡紙表面覆一層薄薄的 PLA 可降解膜，膜厚度控制在 10-15μm，既增強防漏性，又保持可降解特性，避免傳統(tǒng) PE 膜造成的環(huán)境負擔。

　　The production process of ship shaped paper boxes revolves around material selection and structural forming, requiring a balance between cost and performance. The raw material is food grade cardboard as the core, usually using 250-400g/m white cardboard or cowhide cardboard. This type of paper has high stiffness (stiffness value ≥ 50mNm), can support the shape of the box without deformation, and has a certain oil resistance (uncoated cowhide cardboard can withstand mild oil penetration). Some foods containing soup (such as curry rice and Spicy Hot Pot) will be coated with a thin layer of PLA degradable film on the surface of the cardboard, with the film thickness controlled at 10-15 μ m, which not only enhances leak resistance, but also maintains the degradable characteristics, avoiding the environmental burden caused by traditional PE film.

　　制作工藝主要包括模切、壓痕、折疊三步。模切環(huán)節(jié)通過定制鋼刀模具將卡紙切割成預設展開形狀，邊緣需光滑無毛刺（避免劃傷手部），同時在折疊位置壓出深度 0.3-0.5mm 的壓痕，確保折疊時折線筆直、盒體方正。折疊過程可手動或自動化完成，自動化生產(chǎn)線通過機械臂沿壓痕折疊，使盒體兩側形成船舷狀擋板，高度通常為 3-5cm，能防止食物掉落，底部設計為平面或微凹結構（增強放置穩(wěn)定性）。部分船型紙盒會在兩側添加折疊式提手，提手與盒體連接處需壓制加強筋，確保能承受至少 500g 的重量（約兩盒米飯的重量）而不撕裂。

　　The production process mainly includes three steps: die-cutting, creasing, and folding. The die-cutting process uses a customized steel knife mold to cut the cardboard into a predetermined unfolded shape, with smooth and burr free edges (to avoid scratching hands). At the same time, a depth of 0.3-0.5mm indentation is pressed at the folding position to ensure that the folding line is straight and the box body is square. The folding process can be completed manually or automatically. The automated production line uses a robotic arm to fold along the indentation, forming ship side shaped baffles on both sides of the box. The height is usually 3-5cm, which can prevent food from falling off. The bottom is designed as a flat or micro concave structure (to enhance placement stability). Some ship shaped paper boxes will add folding handles on both sides, and the connection between the handles and the box body needs to be reinforced with compression ribs to ensure that it can withstand a weight of at least 500g (about the weight of two boxes of rice) without tearing.

　　船型紙盒的結構特性使其適配多種外賣場景，展現(xiàn)出獨特實用性。敞口設計方便消費者直接取用食物，無需打開盒蓋，適合快餐、小吃類食品（如漢堡、炸雞塊），且散熱性優(yōu)于密封盒（可減少食物因悶熱變軟）。兩側高擋板形成的 “船舷” 能阻擋油脂飛濺，即使食物帶有少量湯汁（如糖醋類菜肴），也能減少運輸過程中的滲漏風險，擋板內(nèi)側可印刷容量刻度（如 “500ml”“700ml”），方便商家控制盛裝量。盒體底部的防滑紋路（通過壓花工藝實現(xiàn)）能增加與桌面的摩擦力，減少外賣配送時的滑動，尤其適合電動車配送過程中的顛簸場景。

　　The structural characteristics of the ship shaped cardboard box make it suitable for various takeout scenarios and demonstrate unique practicality. The open design facilitates consumers to directly access food without opening the box cover, making it suitable for fast food and snack foods (such as hamburgers and fried chicken pieces), and has better heat dissipation than sealed boxes (which can reduce food softening due to stuffiness). The "ship's side" formed by the high baffles on both sides can prevent oil splashing, even if the food contains a small amount of soup (such as sweet and sour dishes), it can reduce the risk of leakage during transportation. The inner side of the baffle can be printed with capacity scales (such as "500ml" and "700ml"), making it convenient for merchants to control the amount of filling. The anti slip pattern at the bottom of the box (achieved through embossing technology) can increase friction with the tabletop, reduce sliding during takeaway delivery, and is particularly suitable for bumpy scenarios during electric vehicle delivery.

　　材料特性賦予船型紙盒環(huán)保與安全優(yōu)勢，符合現(xiàn)代消費趨勢。采用的卡紙多為原木漿或回收紙漿制成，其中回收紙漿占比可達 30%-50%，且不含熒光增白劑、重金屬等有害物質(zhì)，符合食品接觸材料安全標準，高溫食物（如剛出鍋的炸雞，溫度約 80℃）盛裝時不會釋放異味或有害物質(zhì)。在自然環(huán)境中，未覆膜的船型紙盒可在 3-6 個月內(nèi)自然降解，即使是覆 PLA 膜的款式，也能在工業(yè)堆肥條件下 180 天內(nèi)完全降解，相比塑料打包盒更易被環(huán)境吸收，減少 “白色污染”。此外，紙質(zhì)材料可回收再利用，使用后的紙盒經(jīng)分類回收，能重新制成紙漿循環(huán)利用，降低資源消耗。

　　The material properties endow ship shaped paper boxes with environmental and safety advantages, which are in line with modern consumer trends. The cardboard used is mostly made from raw wood pulp or recycled pulp, with recycled pulp accounting for up to 30% -50%. It does not contain harmful substances such as fluorescent whitening agents and heavy metals, and meets the safety standards for food contact materials. High temperature foods (such as freshly cooked fried chicken at a temperature of about 80 ℃) will not release odors or harmful substances when stored. In natural environments, uncoated ship shaped paper boxes can naturally degrade within 3-6 months, and even styles coated with PLA film can completely degrade within 180 days under industrial composting conditions. Compared to plastic packaging boxes, they are more easily absorbed by the environment and reduce "white pollution". In addition, paper materials can be recycled and reused. After use, paper boxes can be sorted and recycled to make pulp for recycling, reducing resource consumption.

　　性能短板與改進設計共同構成船型紙盒的實際應用表現(xiàn)。未覆膜的紙盒耐水性有限，若長時間接觸湯汁（超過 30 分鐘），底部可能因吸水變軟，因此部分產(chǎn)品會在底部采用雙層卡紙結構，內(nèi)層添加疏水涂層（如植物蠟涂層），提升耐水時長至 1 小時以上。低溫環(huán)境下（如冬季），紙質(zhì)材料易因受潮變得脆硬，折疊處可能出現(xiàn)開裂，改進方案是在紙漿中添加少量柔韌性纖維（如麻纖維），提升低溫抗裂性。針對不同食物特性，船型紙盒有多種規(guī)格（長度 15-25cm，寬度 10-18cm），小規(guī)格適合單人份小吃，大規(guī)格可容納多人分享的拼盤，滿足多樣化外賣需求。

　　The performance shortcomings and improved design together constitute the practical application performance of ship shaped paper boxes. The water resistance of uncoated cardboard boxes is limited. If they are exposed to soup for a long time (more than 30 minutes), the bottom may become soft due to water absorption. Therefore, some products will use a double-layer cardboard structure at the bottom, with a hydrophobic coating (such as plant wax coating) added to the inner layer to improve water resistance for more than 1 hour. In low-temperature environments (such as winter), paper materials are prone to become brittle and hard due to moisture, and may crack at folds. The improvement plan is to add a small amount of flexible fibers (such as hemp fibers) to the pulp to enhance low-temperature crack resistance. There are various sizes of boat shaped paper boxes (15-25cm in length and 10-18cm in width) for different food characteristics. Small sizes are suitable for single person snacks, while large sizes can accommodate multi person shared platters, meeting diverse takeaway needs.

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