Bioplastics
Bioplastics
BENZOXAZINE RESIN, PREPARATION METHOD, AND ADHESIVE
14/03/2024 -
A benzoxazine resin, a preparation method, and an adhesive. The benzoxazine resin has the following molecular formula (I), wherein R1, R2, R3, and R4 are each independently selected from -H, an...
SOUND-ABSORBING MATERIAL BLOCK, PREPARATION METHOD THEREFOR, AND USE THEREOF
14/03/2024 -
A sound-absorbing material block, a preparation method therefor, and a use thereof. The sound-absorbing material block comprises three-dimensional open-cell foam, sound-absorbing material powder,...
METHOD FOR PRODUCING BIODEGRADABLE STRETCH FILMS
09/03/2023 -
The invention relates to a plastic film containing a layer containing an aliphatic copolyester and/or an aliphatic-aromatic copolyester and between 1 and 20% (by weight) of a polyadipate...
LOUDSPEAKER CABINET
23/06/2022 -
Provided is a loudspeaker cabinet. The loudspeaker cabinet comprises a shell with an accommodating space, and a sound production unit. The shell comprises a plastic member and a reinforcing rigid...
VIBRATING DIAPHRAGM MOULD
19/05/2022 -
Provided is a vibrating diaphragm mould. The mould comprises: a mould body; a folded-ring-type core part, wherein the folded ring-type core part is annular, and is formed by protruding the top...
HEAT TREATMENT METHOD FOR LIQUID CRYSTAL POLYMER FILM, AND MODIFIED LIQUID CRYSTAL POLYMER FILM
10/03/2022 -
A heat treatment method for a liquid crystal polymer film, comprising, in an air atmosphere, an inert gas atmosphere or a vacuum atmosphere, sequentially performing first heat treatment and second...
SOUND PRODUCTION DEVICE
02/12/2021 -
The present utility model provides a sound production device, comprising a frame, a vibration system supported on the frame, and a magnetic circuit system having a magnetic gap. The vibration...
SOUND PRODUCTION DEVICE
02/12/2021 -
The present utility model provides a sound production device, comprising a frame, a vibration system supported on the frame, and a magnetic circuit system having a magnetic gap. The vibration...
COPPER-CLAD PLATE AND PREPARATION METHOD THEREFOR
08/07/2021 -
A preparation method for a copper-clad plate. The preparation method is characterized by comprising the following steps: carrying out plasma surface treatment on a liquid crystal polymer (LCP)...
COPPER CLAD LAMINATE AND PREPARATION METHOD THEREFOR
08/07/2021 -
A preparation method for a copper clad laminate (16), comprising the following steps: one side or both sides of a liquid crystal polymer (LCP) thin film (2) and a copper foil passing through a...
FRESNEL MOLD MANUFACTURING METHOD
10/06/2021 -
A Fresnel mold manufacturing method. The method comprises the following steps: step S1. imprinting a photoresist (21) on a mold groove side of a mother mold plate (1) of a Fresnel mold, and after...
DEFORMATION-PREVENTION INJECTION MOLD
27/05/2021 -
Disclosed is a deformation-prevention injection mold (10). The deformation-prevention injection mold (10) comprises an upper mold component (1), a lower mold component (2), a mold cavity (3),...
SPRUE BUSH ASSEMBLY
27/05/2021 -
Disclosed is a sprue bush assembly (100). The sprue bush assembly comprises a sprue bush (1) and a rotation-stopping and lifting device (2). The sprue bush (1) comprises a first bush body (11) and...
Novel organophosphorus hydrogels in the form of interpenetrating polymer networks for agricultural applications and method of preparing organophosphorus hydrogels
22/03/2021 -
Przedmiotem zg?oszenia s? fosforoorganiczne hydro?ele polimerowe zawieraj?ce kwas akrylowy (AAc), metakryloilooksyetylofosforan (MEP) i/lub bis-[(2-metakryloilooksy)etylo] fosforan (BMEP) form?...
LOUDSPEAKER DEVICE AND MOBILE TERMINAL HAVING SAME
28/01/2021 -
The present application provides a loudspeaker device and a mobile terminal having same. The loudspeaker device comprises a loudspeaker box, a heating element spaced apart from the loudspeaker...
LOUDSPEAKER DEVICE AND MOBILE TERMINAL HAVING SAME
28/01/2021 -
The present application provides a loudspeaker device and a mobile terminal having same. The loudspeaker device comprises a loudspeaker box, a heating element, and a heat conductive member. The...
GLASS SOFT FILM STRUCTURE AND PRODUCTION METHOD THEREFOR
02/07/2020 -
A glass soft film structure and a production method therefor. The glass soft film structure is a multi-layer structure, and comprises a hot melt adhesive layer, a thermoplastic polyurethane film...
LOOP ANTENNA SYSTEM AND MOBILE TERMINAL
06/02/2020 -
Provided is a loop antenna system, comprising: a plastic back casing; a main board received in the plastic back casing; a loop antenna provided at one surface of the plastic back casing. The main...
LOOP ANTENNA SYSTEM AND MOBILE TERMINAL
06/02/2020 -
Provided is a loop antenna system. The system comprises a back cover, a main board, and a plastic back shell. The loop antenna system comprises a loop antenna. The loop antenna comprises a first...
Camera optical lens
18/12/2018 -
The present disclosure discloses a camera optical lens. The camera optical lens including, in an order from an object side to an image side, a first lens, a second lens, a third lens, a fourth...
REINFORCED BUILDING BLOCK MADE OF AUTOCLAVED AERATED CONCRETE (AAC)
28/12/2017 -
The present invention is directed to a reinforced building block made of autoclaved aerated concrete (AAC) comprising rebars formed essentially from A) at least one fibrous carrier and B) and a...
