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GB/T 39514-2020: PDF in English (GBT 39514-2020)
GB/T 39514-2020
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 83.140
G 33
Terminology, Definition, Identification of Biobased
Materials
ISSUED ON: NOVEMBER 19, 2020
IMPLEMENTED ON: JUNE 1, 2021
Issued by: State Administration for Market Regulation;
Standardization Administration of the People’s Republic of
China.
Table of Contents
Foreword ... 3 
1 Scope ... 4 
2 Normative References ... 4 
3 Terms and Definitions ... 4 
4 Identification ... 13 
Appendix A (informative) Classification of Biobased Materials ... 17 
Bibliography ... 18 
Indexes of English Terms ... 19 
Terminology, Definition, Identification of Biobased
Materials
1 Scope
This Standard specifies the terms and definitions, and identification requirements for
biobased materials.
This Standard is applicable to various types of biobased materials as follows, including
biobased chemicals, polymer, plastic, biobased chemical fiber, biobased rubber,
biodegradable painting, biobased material additives, biobased composite and other
various products made from biobased materials.
2 Normative References
The following documents are indispensable to the application of this document. In
terms of references with a specified date, only versions with a specified date are
applicable to this document. In terms of references without a specified date, the latest
version (including all the modifications) is applicable to this document.
GB/T 1844.2 Plastic - Symbols and Abbreviated - Part 2: Fillers and Reinforcing
Materials
GB/T 1844.3 Plastics - Symbols and Abbreviated Terms - Part 3: Plasticizers
ISO 1043-4 Plastics - Symbols and Abbreviated Terms - Part 4: Flame Retardants
3 Terms and Definitions
3.1 Biomass
Biomass refers to various organisms formed through photosynthesis.
NOTE: biomass includes all materials derived from life entities, such as: animals, plants
and microorganisms, etc.
3.2 Bio-carbon
Bio-carbon refers to modern organic carbon element.
3.3 Biomass Content
Biomass content refers to the mass fraction of biomass in sample.
obtained through biological manufacturing.
NOTE 1: biobased material includes basic biobased chemicals and sugar engineering
products, such as: bio-alcohols, organic acids, alkanes and olefins, which use
biomass as the raw material or (and) obtained through biosynthesis, bio-
processing and bio-refining processes, as well as biobased polymer, biobased
plastic, biobased chemical fiber, biobased rubber, biodegradable painting,
biobased material additives, biobased composite and various products made
from biobased materials.
NOTE 2: see Appendix A for the classification of biobased materials.
3.10 Biobased Chemicals
Biobased chemicals refer to chemicals converted from biomass with the participation
of microorganisms or through biochemical methods.
3.11 Biobased Products
Biobased products refer to a type of products that are made from biobased materials
through processing and have certain functions of use.
3.12 Polymer
Polymer refers to a substance composed of chain links characterized by multiple
repetitions of one or more atoms or atomic groups (structural units) connected by
covalent bonds.
NOTE: its relative molecular mass is sufficient to ensure that the overall property does not
significantly change with the addition or removal of one or several structural units.
3.13 Biobased Polymer
Biobased polymer refers to a polymer whose constituent units are wholly or partly
derived from biomass.
3.14 Biopolymer
Biopolymer refers to biosynthetic polymer derived from biomass, and polymer obtained
from renewable materials as the initial raw materials.
NOTE: sometimes, biopolymer also refers to biodegradable polymer. Under this
circumstance, the focus is on biodegradability and the possibility of organic waste
recycling.
3.15 Natural Polymer
Natural polymer refers to macromolecular substance formed through the natural
3.21 Protein
Protein refers to an organic macromolecule combined by one or more polypeptide
chains (formed by the polymerization of -amino acids) in a specific mode.
3.22 Chitin
Chitin refers to macromolecular polysaccharide whose structural unit is -2-
acetylamino-D-glucopyranose.
NOTE 1: it is widely found in the shells of lower plant fungi, shrimps, crabs, insects and
other crustaceans, and the cell walls of fungi.
NOTE 2: chitin is a linear polymer polysaccharide, and chitosan can be obtained by
removing the acetyl through treatment with concentrated alkali.
3.23 Chitosan
Chitosan is obtained through deacetylation of chitin. It is macromolecular
polysaccharide whose structural unit is -2-amino-D-glucopyranose.
3.24 Natural Rubber
Natural rubber refers to a natural polymer compound with cis-1,4-polyisoprene as the
main component.
NOTE 1: its molecular formula is (C5H8)n. Natural rubber is the most widely used general-
purpose rubber.
NOTE 2: 91% ~ 94% of its components is rubber hydrocarbons (cis-1,4-polyisoprene), and
the rest are non-rubber substances, such as: proteins, fatty acids, ash and
sugars, etc.
3.25 Plastic
Plastic refers to a material that uses polymer as the main component and can be flowed
and formed at a certain stage of processing into a finished product.
NOTE 1: the deformation resistance of plastic is medium, and between fiber and rubber.
In accordance with whether it can withstand repeated thermoplastic processing,
plastic is divided into two types: thermoplastic and thermosetting.
NOTE 2: elastic materials can also be flowed and formed, but they are not considered as
plastics.
3.26 Biobased Plastic
Biobased plastic refers to plastic whose all or part of the constituent units are plastic
butanedioic acid and 1,4-butanediol as the main raw materials.
3.33 Poly (butylene succinate-co-butylene adipate); PBSA
Poly (butylene succinate-co-butylene adipate) refers to a polymer prepared by
polymerization with 1,4-butanedioic acid, 1,6-adipic acid and 1,4-butanediol as the
main raw materials.
3.34 Biodegradable Poly (butylene adipate terephthalate); PBAT
Biodegradable poly (butylene adipate terephthalate) refers to a polymer prepared by
polymerization with terephthalic acid, adipic acid and 1,4-butanediol as the main raw
materials.
3.35 Poly (propylene carbonate); PPC
(carbon dioxide / propylene oxide copolymer); PPC
Poly (propylene carbonate) refers to a polymer prepared by polymerization with carbon
dioxide and propylene oxide as the raw materials.
3.36 PPC Polyols
PPC polyols refers to a colorless transparent or slightly yellow liquid prepared by
polymerization with carbon dioxide and propylene oxide as the raw materials.
3.37 Polycaprolactone; PCL
Polycaprolactone refers to a polymer prepared by polymerization with -caprolactone
as the raw material.
3.38 Poly (p-dioxanone); PPDO
Poly (p-dioxanone) refers to an aliphatic polyether ester prepared by polymerization
with p-dioxanone as the raw material.
3.39 Chemical Fiber
Chemical fiber refers to the fiber obtained through processing and with textile
properties, made from natural polymer compounds or artificially synthesized polymer
compounds as the raw material, and obtained through the processes of preparation of
spinning dope, spinning and post-processing, etc.
3.40 Biobased Chemical Fiber
Biobased chemical fiber refers to a type of chemical fiber that is prepared with biomass
as the raw material.
3.47 Surfactant
Surfactant refers to a compound with surface activity, which is soluble in liquids,
especially water. Due to preferential adsorption on the liquid / gas surface or other
interfaces, the surface tension or interfacial tension is significantly reduced.
[GB/T 5327-2008, Chapter 2]
3.48 Biobased Surfactant
Biobased surfactant refers to a type of surfactant prepared with biomass as the raw
material.
3.49 Detergent
Detergent refers to a detergent product formulated with surfactants, additives and / or
solvents for cleaning.
3.50 Biobased Detergent
Biobased detergent refers to a type of detergent prepared with biomass as the raw
material.
3.51 Additives
Additives refer to a substance that is added to the polymer to improve or alter one or
more properties.
[GB/T 2035-2008, Definition 2.11]
3.52 Other Biobased Additives
Other biobased additives refer to other additives prepared with biomass as the raw
material and used in the processing of plastics.
3.53 Composite
Composite refers to a material that is obtained through advanced material preparation
technology, which optimizes the combination of material components with different
properties.
3.54 Biobased Composite
Biobased composite refers to a composite with at least one component deriving from
biomass.
3.55 Starch Based Plastic Materials
Starch based plastic materials refer to particles (or chips), powders, master batches or
accordance with the mass fractions of the various main components, from large to
small. The components of the polymer shall be expressed in the abbreviations of
names. The abbreviations shall be separated by a plus sign “+”; the marking shall
comply with the stipulations of 4.3.
Example: polycaprolactone and starch alloy, with polycaprolactone as the main polymer
and starch dispersed in it, shall be expressed as PCL + St.
4.2.4 Products with additives1)
4.2.4.1 Products with fillers or reinforcing agents
In terms of products with a single filler or a single reinforcing agent, the filler or
reinforcing agent shall be marked together with the polymer. The abbreviation of the
polymer is followed by a hyphen. Then, in accordance with the abbreviation symbols
specified in GB/T 1844.2, describe the additive. In addition, in accordance with the
example and the stipulations of 4.3, mark it.
Example 1: polycaprolactone containing 30% mass fraction of mineral powder shall be
expressed as: PCL-MD30
In terms of products with multiple fillers or multiple reinforcing agents, or a combination
of both, in accordance with the stipulations of Example 2 and Example 3, describe the
percentage of the fillers or reinforcing agents, and enclose it in parentheses.
Example 2: polylactic acid containing 15% mass fraction of mineral powder and 25% mass
fraction of glass fiber shall be expressed as: PLA-(GF25 + MD15) or PLA-(GF
+ MD)40
Example 3: polylactic acid containing 20% mass fraction of mineral powder (MD) and 15%
mass fraction of glass fiber (GF) shall be expressed as: PLA-(MD20 + GF15)
or PLA-(MD + GF)35
4.2.4.2 Products with plasticizers
In terms of products with plasticizers, add a hyphen after the abbreviation of polymer.
Then, mark the symbol “P”, followed by the abbreviation of plasticizer specified in GB/T
1844.3 enclosed in parentheses.
Example: PCL containing plasticizer dibutyl phthalate shall be expressed as: PCL-P(DBP)
4.2.4.3 Products with flame retardants
In terms of products with flame retardants, add a hyphen after the abbreviation of
polymer. Then, mark the symbol “FR”, followed by the digital code of the flame
retardant specified in ISO 1043-4 enclosed in parentheses.
1) Not required for products that do not contain additives.
......

BASIC DATA
Standard ID GB/T 39514-2020 (GB/T39514-2020)
Description (Translated English) Terminology, defination, identification of biobased materials
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard G33
Classification of International Standard 83.140
Word Count Estimation 17,197
Date of Issue 2020-11-19
Date of Implementation 2021-06-01
Drafting Organization Beijing Technology and Business University, Sichuan University, Tsinghua University, Nanjing University of Technology, Zhejiang Junke New Materials Co., Ltd., Xuanpin Plastic Products Co., Ltd., Pingxiang City, Jiangxi Province, Shenzhen Hongcai New Material Technology Co., Ltd., Wuhan Huali Environmental Technology Co., Ltd.
Administrative Organization National Leather Industry Standardization Technical Committee (SAC/TC 252)
Regulation (derived from) National Standard Announcement No. 26 of 2020
Proposing organization National Standardization Technical Committee for Bio-based Materials and Degradable Products (SAC/TC 380)
Issuing agency(ies) State Administration for Market Regulation, National Standardization Administration